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Re: kern/57833: kernel panic on xorg exit
The following reply was made to PR kern/57833; it has been noted by GNATS.
From: Ramiro Aceves <ea1abz%gmail.com@localhost>
To: Taylor R Campbell <riastradh%NetBSD.org@localhost>
Cc: "David H. Gutteridge" <david%gutteridge.ca@localhost>, gnats-bugs%NetBSD.org@localhost,
netbsd-bugs%NetBSD.org@localhost, RVP <rvp%SDF.ORG@localhost>
Subject: Re: kern/57833: kernel panic on xorg exit
Date: Wed, 17 Jan 2024 21:09:53 +0100
El 17/1/24 a las 3:12, Taylor R Campbell escribió:
> OK, that's frustrating! Here's one more change, attached as
> pr57833-i915gempages-v5.diff -- this will print some information that
> got optimized away and unavailable in gdb.
>
> If it still crashes: Can you find the i915_gem_object_get_pages_phys
> frame and share the output of `print *obj', in addition to dmesg
> output and `info locals' in all the frames?
>
> Attached as pr57833-i915gempages-v5.patch is a step-by-step patch
> series. If you have the time, and the single giant .diff still
> doesn't work, it would be helpful if you could use bisection to find
> where the old symptom goes away and the new symptom appears. (It's
> possible I made a mistake in some of the related changes to files
> other than i915_gem_phys.c.)
Hello Taylor,
Thanks for your help and efforts, I appreciate them very much.
I have applied v5.diff big patch and ended in a panic just after the
startx command. Please see bellow for the details you asked for.
After this, I am not sure how to apply the step by step patch (sorry for
my ignorance with all of this things) I think that after getting a fresh
kernel files, I have to apply one step patch, then another step patch
over the last patch, and so on until the 9th patch. ¿Is there a way to
apply them one by one with a command without spliting the patch in 9
small files? ¿One for each email? I think am missing something ;-)
Thanks.
netbsd-compal# dmesg -M netbsd.9.core -N netbsd.9
...
...
[ 1.000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002,
2003,
[ 1.000000] 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
2012, 2013,
[ 1.000000] 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021,
2022, 2023,
[ 1.000000] 2024
[ 1.000000] The NetBSD Foundation, Inc. All rights reserved.
[ 1.000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
[ 1.000000] The Regents of the University of California. All
rights reserved.
[ 1.000000] NetBSD 10.0_RC2 (MYKERNEL) #5: Wed Jan 17 11:20:28 CET 2024
[ 1.000000]
ramiro@netbsd-compal.remigio:/usr/src/sys/arch/i386/compile/MYKERNEL
[ 1.000000] total memory = 2039 MB
[ 1.000000] avail memory = 1978 MB
[ 1.000000] timecounter: Timecounters tick every 10.000 msec
[ 1.000000] Kernelized RAIDframe activated
[ 1.000000] timecounter: Timecounter "i8254" frequency 1193182 Hz
quality 100
[ 1.000004] mainbus0 (root)
[ 1.000004] cpu0 at mainbus0
[ 1.000004] ACPI Error: AE_BAD_PARAMETER, Thread 3242924096 could
not acquire Mutex [ACPI_MTX_Tables] (0x2) (20221020/utmutex-326)
[ 1.000004] cpu0: Use lfence to serialize rdtsc
[ 1.000004] cpu0: Intel(R) Pentium(R) M processor 1.86GHz, id 0x6d8
[ 1.000004] cpu0: node 0, package 0, core 0, smt 0
[ 1.000004] pci0 at mainbus0 bus 0: configuration mode 1
[ 1.000004] pci0: i/o space, memory space enabled, rd/line, rd/mult,
wr/inv ok
[ 1.000004] pchb0 at pci0 dev 0 function 0: Intel
82915PM/GM/GMS,82910GML Host Bridge (rev. 0x04)
[ 1.000004] agp0 at pchb0: i915-family chipset
[ 1.000004] agp0: detected 7932k stolen memory
[ 1.000004] agp0: aperture at 0xa0000000, size 0x10000000
[ 1.000004] i915drmkms0 at pci0 dev 2 function 0: Intel
82915GM/GMS,82910GML Integrated Graphics Device (rev. 0x04)
[ 1.000004] Intel 82915GM/GMS IGD Companion (miscellaneous display,
revision 0x04) at pci0 dev 2 function 1 not configured
[ 1.000004] uhci0 at pci0 dev 29 function 0: Intel 82801FB/FR USB
UHCI Controller (rev. 0x04)
[ 1.000004] uhci0: interrupting at irq 7
[ 1.000004] usb0 at uhci0: USB revision 1.0
[ 1.000004] uhci1 at pci0 dev 29 function 1: Intel 82801FB/FR USB
UHCI Controller (rev. 0x04)
[ 1.000004] uhci1: interrupting at irq 3
[ 1.000004] usb1 at uhci1: USB revision 1.0
[ 1.000004] uhci2 at pci0 dev 29 function 2: Intel 82801FB/FR USB
UHCI Controller (rev. 0x04)
[ 1.000004] uhci2: interrupting at irq 11
[ 1.000004] usb2 at uhci2: USB revision 1.0
[ 1.000004] uhci3 at pci0 dev 29 function 3: Intel 82801FB/FR USB
UHCI Controller (rev. 0x04)
[ 1.000004] uhci3: interrupting at irq 11
[ 1.000004] usb3 at uhci3: USB revision 1.0
[ 1.000004] ehci0 at pci0 dev 29 function 7: Intel 82801FB/FR USB
EHCI Controller (rev. 0x04)
[ 1.000004] ehci0: 64-bit DMA - limited
[ 1.000004] ehci0: interrupting at irq 7
[ 1.000004] ehci0: EHCI version 1.0
[ 1.000004] ehci0: 4 companion controllers, 2 ports each: uhci0
uhci1 uhci2 uhci3
[ 1.000004] ehci0: Using DMA subregion for control data structures
[ 1.000004] usb4 at ehci0: USB revision 2.0
[ 1.000004] ppb0 at pci0 dev 30 function 0: Intel 82801BAM Hub-PCI
Bridge (rev. 0xd4)
[ 1.000004] pci1 at ppb0 bus 1
[ 1.000004] pci1: i/o space, memory space enabled
[ 1.000004] fwohci0 at pci1 dev 0 function 0: VIA Technologies
VT6306 IEEE 1394 Host Controller (rev. 0x80)
[ 1.000004] fwohci0: interrupting at irq 10
[ 1.000004] fwohci0: OHCI version 1.0 (ROM=1)
[ 1.000004] fwohci0: No. of Isochronous channels is 4.
[ 1.000004] fwohci0: EUI64 00:02:3f:59:88:40:01:0f
[ 1.000004] fwohci0: Phy 1394a available S400, 2 ports.
[ 1.000004] fwohci0: Link S400, max_rec 512 bytes.
[ 1.000004] fwohci0: max_rec 512 -> 2048
[ 1.000004] ieee1394if0 at fwohci0: IEEE1394 bus
[ 1.000004] fwip0 at ieee1394if0: IP over IEEE1394
[ 1.000004] fwohci0: Initiate bus reset
[ 1.000004] re0 at pci1 dev 1 function 0: RealTek 8169/8110 Gigabit
Ethernet (rev. 0x10)
[ 1.000004] re0: interrupting at irq 11
[ 1.000004] re0: RTL8169/8110SB (0x1000)
[ 1.000004] re0: Ethernet address 00:0f:b0:93:6f:e1
[ 1.000004] re0: using 256 tx descriptors
[ 1.000004] rgephy0 at re0 phy 7: RTL8211B 1000BASE-T media interface
[ 1.000004] rgephy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
1000baseT, 1000baseT-FDX, auto
[ 1.000004] iwi0 at pci1 dev 2 function 0: Intel PRO/Wireless LAN
2200BG Mini-PCI Adapter (rev. 0x05)
[ 1.000004] iwi0: interrupting at irq 11
[ 1.000004] iwi0: 802.11 address 00:13:ce:6b:7d:01
[ 1.000004] cbb0 at pci1 dev 4 function 0: ENE Technology CB710
CardBus Controller (rev. 0x00)
[ 1.000004] ENE Technology product 0530 (flash memory) at pci1 dev 4
function 1 not configured
[ 1.000004] sdhc0 at pci1 dev 4 function 2: ENE Technology
CB712/714/810 PCI SD Card Reader Controller (rev. 0x00)
[ 1.000004] sdhc0: interrupting at irq 5
[ 1.000004] sdhc0: SDHC 1.0, rev 0, caps <01e021a1/00000000>, SDMA,
33000 kHz, HS 3.3V, 512 byte blocks
[ 1.000004] sdmmc0 at sdhc0 slot 0
[ 1.000004] cbb0: cacheline 0x8 lattimer 0x40
[ 1.000004] cbb0: bhlc 0x824008
[ 1.000004] cbb0: autoconfiguration error: secondary bus number
uninitialized; try PCI_BUS_FIXUP
[ 1.000004] pci_intr_map: no mapping for pin A (line=ff)
[ 1.000004] cbb0: autoconfiguration error: couldn't map interrupt
[ 1.000004] cardslot0 at cbb0
[ 1.000004] pcmcia0 at cardslot0
[ 1.000004] auich0 at pci0 dev 30 function 2: i82801FB (ICH6) AC-97
Audio
[ 1.000004] auich0: interrupting at irq 5
[ 1.000004] auich0: ac97: Avance Logic unknown (0x414c4752) codec;
headphone, 20 bit DAC, 18 bit ADC, no 3D stereo
[ 1.000004] auich0: ac97: ext id 0xa07<AC97_23,AMAP,SPDIF,DRA,VRA>
[ 1.000004] Intel 82801FB/FR AC'97 Modem Controller (modem
communications, revision 0x04) at pci0 dev 30 function 3 not configured
[ 1.000004] ichlpcib0 at pci0 dev 31 function 0: Intel 82801FBM
ICH6M LPC Interface Bridge (rev. 0x04)
[ 1.000004] timecounter: Timecounter "ichlpcib0" frequency 3579545
Hz quality 1000
[ 1.006162] ichlpcib0: 24-bit timer
[ 1.006162] tco0 at ichlpcib0: TCO (watchdog) timer configured.
[ 1.006162] tco0: Min/Max interval 1/367 seconds
[ 1.006162] piixide0 at pci0 dev 31 function 1: Intel 82801FB IDE
Controller (ICH6) (rev. 0x04)
[ 1.006162] piixide0: bus-master DMA support present
[ 1.006162] piixide0: primary channel configured to compatibility mode
[ 1.006162] piixide0: primary channel interrupting at irq 14
[ 1.006162] atabus0 at piixide0 channel 0
[ 1.006162] piixide0: secondary channel configured to compatibility mode
[ 1.006162] piixide0: secondary channel interrupting at irq 15
[ 1.006162] atabus1 at piixide0 channel 1
[ 1.006162] ichsmb0 at pci0 dev 31 function 3: Intel 82801FB/FR
SMBus Controller (rev. 0x04)
[ 1.006162] ichsmb0: interrupting at irq 3
[ 1.006162] iic0 at ichsmb0: I2C bus
[ 1.006162] isa0 at ichlpcib0
[ 1.006162] pckbc0 at isa0 port 0x60-0x64
[ 1.006162] pckbd0 at pckbc0 (kbd slot)
[ 1.006162] pckbc0: using irq 1 for kbd slot
[ 1.006162] wskbd0 at pckbd0: console keyboard
[ 1.006162] pms0 at pckbc0 (aux slot)
[ 1.006162] pms0: ALPS PS/2 V2 pointing device
[ 1.006162] pckbc0: using irq 12 for aux slot
[ 1.006162] wsmouse0 at pms0 mux 0
[ 1.006162] attimer0 at isa0 port 0x40-0x43
[ 1.006162] pcppi0 at isa0 port 0x61
[ 1.006162] midi0 at pcppi0: PC speaker
[ 1.006162] sysbeep0 at pcppi0
[ 1.006162] attimer0: attached to pcppi0
[ 1.006162] est0 at cpu0: Enhanced SpeedStep
[ 1.006162] fwohci0: BUS reset
[ 1.006162] fwohci0: node_id=0xc000ffc0, gen=1, CYCLEMASTER mode
[ 1.006162] ieee1394if0: 1 nodes, maxhop <= 0 cable IRM irm(0) (me)
[ 1.006162] ieee1394if0: bus manager 0
[ 1.243701] timecounter: Timecounter "clockinterrupt" frequency 100
Hz quality 0
[ 1.574365] auich0: measured ac97 link rate at 48000 Hz
[ 1.574365] audio0 at auich0: playback, capture, full duplex,
independent
[ 1.574365] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms)
for playback
[ 1.574365] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms)
for recording
[ 1.574365] uhub0 at usb0: NetBSD (0x0000) UHCI root hub (0x0000),
class 9/0, rev 1.00/1.00, addr 1
[ 1.574365] uhub0: 2 ports with 2 removable, self powered
[ 1.574365] uhub1 at usb1: NetBSD (0x0000) UHCI root hub (0x0000),
class 9/0, rev 1.00/1.00, addr 1
[ 1.584368] uhub1: 2 ports with 2 removable, self powered
[ 1.584368] uhub2 at usb2: NetBSD (0x0000) UHCI root hub (0x0000),
class 9/0, rev 1.00/1.00, addr 1
[ 1.584368] uhub2: 2 ports with 2 removable, self powered
[ 1.584368] uhub3 at usb3: NetBSD (0x0000) UHCI root hub (0x0000),
class 9/0, rev 1.00/1.00, addr 1
[ 1.584368] uhub3: 2 ports with 2 removable, self powered
[ 1.584368] uhub4 at usb4: NetBSD (0x0000) EHCI root hub (0x0000),
class 9/0, rev 2.00/1.00, addr 1
[ 1.584368] uhub4: 8 ports with 8 removable, self powered
[ 1.594366] atapibus0 at atabus0: 2 targets
[ 1.594366] IPsec: Initialized Security Association Processing.
[ 1.674366] cd0 at atapibus0 drive 1: <TSSTcorpCD/DVDW TS-L632B,
95WK401090, TI33> cdrom removable
[ 1.684366] cd0: 32-bit data port
[ 1.684366] cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA
mode 2 (Ultra/33)
[ 1.684366] wd0 at atabus0 drive 0
[ 1.684366] wd0: <IC25N080ATMR04-0>
[ 1.684366] wd0: drive supports 16-sector PIO transfers, LBA48
addressing
[ 1.684366] wd0: 76319 MB, 155061 cyl, 16 head, 63 sec, 512
bytes/sect x 156301488 sectors
[ 2.124373] wd0: 32-bit data port
[ 2.124373] wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA
mode 5 (Ultra/100)
[ 2.124373] wd0(piixide0:0:0): using PIO mode 4, Ultra-DMA mode 5
(Ultra/100) (using DMA)
[ 2.124373] cd0(piixide0:0:1): using PIO mode 4, Ultra-DMA mode 2
(Ultra/33) (using DMA)
[ 2.134373] swwdog0: software watchdog initialized
[ 2.174373] WARNING: 2 errors while detecting hardware; check system
log.
[ 2.174373] boot device: wd0
[ 2.174373] root on wd0a dumps on wd0b
[ 2.204374] root file system type: ffs
[ 2.214374] kern.module.path=/stand/i386/10.0/modules
[ 2.214374] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 2.214374] [drm] Driver supports precise vblank timestamp query.
[ 2.214374] i915drmkms0: interrupting at irq 11 (i915drmkms0)
[ 2.254375] [drm] Initialized overlay support.
[ 2.254375] [drm] Initialized i915 1.6.0 20200114 for i915drmkms0 on
minor 0
[ 2.394380] intelfb0 at i915drmkms0
[ 2.394380] [drm] DRM_I915_DEBUG enabled
[ 2.394380] [drm] DRM_I915_DEBUG_GEM enabled
[ 2.394380] intelfb0: framebuffer at 0xa0009000, size 1280x800,
depth 32, stride 5120
[ 3.034388] wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100
emulation), using wskbd0
[ 3.034388] wsmux1: connecting to wsdisplay0
[ 17.214604] wsdisplay0: screen 1 added (default, vt100 emulation)
[ 17.214604] wsdisplay0: screen 2 added (default, vt100 emulation)
[ 17.214604] wsdisplay0: screen 3 added (default, vt100 emulation)
[ 17.214604] wsdisplay0: screen 4 added (default, vt100 emulation)
[ 64.776202] bus_dmamem_kmap: t=0xc147d8c0 segs=0xc5c20a34 nsegs=1
size=0x4000 kvap=0xdcbeead0 flags=0x4
[ 64.776202] panic: _bus_dmamem_kmap: size botch
[ 64.776202] cpu0: Begin traceback...
[ 64.776202]
vpanic(c1214668,dcbeea90,dcbeeae4,c06cfeba,c1214668,0,0,4,1,4000) at
netbsd:vpanic+0x196
[ 64.776202] panic(c1214668,0,0,4,1,4000,dcbeead0,4,c5c20a5c,0) at
netbsd:panic+0x18
[ 64.776202]
i915_gem_object_get_pages_phys(c5c20900,1,2,c4353004,c4348804,c434a084,c4353000,c53b1c44,c5340a04,1)
at netbsd:i915_gem_object_get_pages_phys+0x54a
[ 64.786211]
i915_gem_object_attach_phys(c5c20900,1000,c0af86a4,c3dfd004,c5c20900,c5c20a18,dcbeeb6c,c0673d15,c5c20a18,1)
at netbsd:i915_gem_object_attach_phys+0xb4
[ 64.786211]
intel_plane_pin_fb(c5c20a18,1,2,c0b2f8a8,c4352010,c4353000,c3dfd004,c50f1004,c4352004,c50f1004)
at netbsd:intel_plane_pin_fb+0x62
[ 64.786211]
intel_prepare_plane_fb(c434a084,c53b1c44,c3dff878,10001,c50f1004,c4353004,c3dff878,dcbeebb8,c066abaf,c3dfd004)
at netbsd:intel_prepare_plane_fb+0xcf
[ 64.786211]
drm_atomic_helper_prepare_planes(c3dfd004,c50f1004,1,c50f1564,0,c50f1004,c3dfd004,c53b1c44,dcbeebd4,c0af8aa5)
at netbsd:drm_atomic_helper_prepare_planes+0x7a
[ 64.786211]
intel_atomic_commit(c3dfd004,c50f1004,0,c434a084,c50f1004,dcbeebfc,c0afde70,c50f1004,c5340a04,40)
at netbsd:intel_atomic_commit+0x9c
[ 64.796205]
drm_atomic_commit(c50f1004,c5340a04,40,0,400000,c434a084,c5340a04,18f,dcbeec64,c0b2b394)
at netbsd:drm_atomic_commit+0x52
[ 64.796205]
drm_atomic_helper_update_plane(c434a084,c4348804,c5340a04,27f,18f,40,40,0,0,400000)
at netbsd:drm_atomic_helper_update_plane+0xd9
[ 64.796205]
__setplane_atomic(27f,18f,40,40,0,0,400000,400000,dcbeecb8,400000) at
netbsd:__setplane_atomic+0x10b
[ 64.796205]
drm_mode_cursor_common(3,2c,27f,18f,40,40,b,0,0,dcbeee54) at
netbsd:drm_mode_cursor_common+0x261
[ 64.796205]
drm_mode_cursor_ioctl(c3dfd004,dcbeeeac,c5bfa004,dcbeedc4,1c,dcbeeeac,63,dcbeedc4,c3dfd360,c5bfa004)
at netbsd:drm_mode_cursor_ioctl+0x4e
[ 64.796205]
drm_ioctl(c5b908c0,c01c64a3,dcbeeeac,dcbeef38,c0cc9867,c5b908c0,c01c64a3,dcbeeeac,c0c453b7,c429fd24)
at netbsd:drm_ioctl+0x42d
[ 64.806208]
drm_ioctl_shim(c5b908c0,c01c64a3,dcbeeeac,c0c453b7,c429fd24,dcbeef10,0,c5bcc178,c5b908c0,0)
at netbsd:drm_ioctl_shim+0x43
[ 64.806208]
sys_ioctl(c4361940,dcbeef68,dcbeef60,c5339500,0,36,dcbeef60,dcbeef68,0,0)
at netbsd:sys_ioctl+0x35b
[ 64.806208] syscall() at netbsd:syscall+0x1d6
[ 64.806208] --- syscall (number 54) ---
[ 64.806208] b96fbdc7:
[ 64.806208] cpu0: End traceback...
[ 64.806208] dumping to dev 0,1 offset 1023
[ 64.806208] dump
netbsd-compal# gdb /usr/src/sys/arch/i386/compile/MYKERNEL/netbsd.gdb
GNU gdb (GDB) 11.0.50.20200914-git
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "i486--netbsdelf".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/src/sys/arch/i386/compile/MYKERNEL/netbsd.gdb...
(gdb) target kvm /var/crash/netbsd.9.core
0xc012d6ed in maybe_dump (howto=260) at
../../../../arch/i386/i386/machdep.c:725
725 dumpsys();
(gdb) frame 0
#0 0xc012d6ed in maybe_dump (howto=260) at
../../../../arch/i386/i386/machdep.c:725
725 dumpsys();
(gdb) info locals
s = 0
s = <optimized out>
(gdb) frame 1
#1 cpu_reboot (howto=howto@entry=260, bootstr=bootstr@entry=0x0)
at ../../../../arch/i386/i386/machdep.c:746
746 maybe_dump(howto);
(gdb) info locals
syncdone = false
s = 0
(gdb) frame 2
#2 0xc0c85dd7 in kern_reboot (howto=howto@entry=260,
bootstr=bootstr@entry=0x0)
at ../../../../kern/kern_reboot.c:73
73 cpu_reboot(howto, bootstr);
(gdb) info locals
rebooter = 0xc4361940
l = 0x0
(gdb) frame 3
#3 0xc0cbc998 in vpanic (fmt=fmt@entry=0xc1214668 "_bus_dmamem_kmap:
size botch",
ap=0xdcbeea90 "") at ../../../../kern/subr_prf.c:291
291 kern_reboot(bootopt, NULL);
(gdb) info locals
cii = <optimized out>
ci = <optimized out>
oci = <optimized out>
bootopt = 260
scratchstr = "_bus_dmamem_kmap: size botch", '\000' <repeats 355 times>
(gdb) frame 4
#4 0xc0cbca51 in panic (fmt=fmt@entry=0xc1214668 "_bus_dmamem_kmap:
size botch")
at ../../../../kern/subr_prf.c:208
208 vpanic(fmt, ap);
(gdb) info locals
ap = 0xdcbeea90 ""
(gdb) frame 5
#5 0xc06cfeba in bus_dmamem_kmap (nsegs=1, flags=4, kvap=0xdcbeead0,
size=<optimized out>, segs=0xc5c20a34, t=0xc147d8c0 <pci_bus_dma_tag>)
at ../../../../external/bsd/drm2/dist/drm/i915/gem/i915_gem_phys.c:69
69 panic("_bus_dmamem_kmap: size botch");
(gdb) info locals
kmflags = 0
pmapflags = 19
va = <optimized out>
addr = <optimized out>
curseg = 0
va = <optimized out>
addr = <optimized out>
curseg = <optimized out>
kmflags = <optimized out>
pmapflags = <optimized out>
__func__ = "bus_dmamem_kmap"
(gdb) frame 6
#6 i915_gem_object_get_pages_phys (obj=0xc5c20900)
at ../../../../external/bsd/drm2/dist/drm/i915/gem/i915_gem_phys.c:149
149 ret = -bus_dmamem_kmap(dmat, &obj->mm.u.phys.seg, 1,
(gdb) info locals
mapping = 0xc5c61300
sg = <optimized out>
st = <optimized out>
dma = <optimized out>
vaddr = 0xdb5b4000
dst = <optimized out>
i = <optimized out>
dmat = 0xc147d8c0 <pci_bus_dma_tag>
loaded = false
rsegs = 1
ret = <optimized out>
(gdb) print *obj
$1 = {base = {refcount = {kr_count = 3}, handle_count = 1, dev =
0xc3dfd004,
filp = 0xc5c61300, gemo_uvmobj = {vmobjlock = 0xc5c706c0,
pgops = 0xc1086780 <i915_gem_uvm_ops>, uo_npages = 0, uo_refs =
1, uo_pages = {
t_root = 0x0, t_height = 0}, uo_ubc = {lh_first = 0x0}},
vma_node = {von_lock = {
rw_owner = 0}, von_startpage = 0, von_npages = 0, von_files = {
rbt_root = 0xc5b2c914, rbt_ops = 0xc11480ec
<drm_vma_file_rb_ops>, rbt_minmax = {
0xc5b2c914, 0xc5b2c914}}, von_rb_node = {rb_nodes = {0x0,
0x0}, rb_info = 0},
readonly = false}, size = 16384, name = 0, dma_buf = 0x0,
import_attach = 0x0,
resv = 0xc5c2096c, _resv = {lock = {wwm_state = 0 '\000', wwm_debug
= false, wwm_u = {
owner = 0x0, ctx = 0x0}, wwm_lock = {u = {mtxa_owner = 1537,
s = {
mtxs_dummy = 1 '\001', mtxs_ipl = {_ipl = 6 '\006'},
mtxs_lock = 0 '\000',
mtxs_unused = 0 '\000'}}},
wwm_class = 0xc14d1cc0 <linux_reservation_ww_class>,
wwm_waiters = {
rbt_root = 0x0, rbt_ops = 0xc117b290 <ww_acquire_ctx_rb_ops>,
rbt_minmax = {0x0,
0x0}}, wwm_cv = {cv_opaque = {0x0, 0xc1276960}}}, seq =
{sqc_gen = 0},
fence_excl = 0x0, fence = 0x0, robj_prealloc = 0x0}, funcs = 0x0},
ops = 0xc10867e0 <i915_gem_phys_ops>, vma = {lock = {sl_lock = {u =
{mtxa_owner = 1537,
s = {mtxs_dummy = 1 '\001', mtxs_ipl = {_ipl = 6 '\006'},
mtxs_lock = 0 '\000',
mtxs_unused = 0 '\000'}}}}, list = {prev = 0xc4355f80, next
= 0xc4355f80},
tree = {rbr_tree = {rbt_root = 0xc4355f88, rbt_ops = 0xc10903fc
<vma_tree_rb_ops>,
rbt_minmax = {0xc4355f88, 0xc4355f88}}}}, lut_list = {prev =
0xc5c209c8,
next = 0xc5c209c8}, stolen = 0x0, {rcu = {rcuh_u = {callback = 0x0,
obj = 0x0},
rcuh_next = 0x0}, freed = {next = 0x0}}, userfault_count = 0,
userfault_link = {
prev = 0x2, next = 0x1}, mmo = {lock = {sl_lock = {u = {mtxa_owner
= 1537, s = {
mtxs_dummy = 1 '\001', mtxs_ipl = {_ipl = 6 '\006'},
mtxs_lock = 0 '\000',
mtxs_unused = 0 '\000'}}}}, offsets = {0xc5bcc144, 0x0,
0x0, 0x0}}, flags = 0,
cache_level = 0, cache_coherent = 0, cache_dirty = 0, read_domains = 64,
write_domain = 64, frontbuffer = 0xc5c4b184, tiling_and_stride = 0,
bind_count = {a_u = {
--Type <RET> for more, q to quit, c to continue without paging--
au_int = 0, au_uint = 0}}, mm = {lock = {mtx_lock = {u =
{mtxa_owner = 3291879744,
s = {mtxs_dummy = 64 '@', mtxs_ipl = {_ipl = 25 '\031'},
mtxs_lock = 54 '6',
mtxs_unused = 196 '\304'}}}}, pages_pin_count = {a_u =
{au_int = 1,
au_uint = 1}}, shrink_pin = {a_u = {au_int = 1, au_uint = 1}},
region = 0xc4290f04, blocks = {prev = 0xc5c20a24, next =
0xc5c20a24}, region_link = {
prev = 0xc4290fe0, next = 0xc5c2086c}, u = {internal = {segs =
0x4afb8000,
nsegs = 16384, rsegs = 0}, phys = {seg = {ds_addr = 1257996288,
ds_len = 16384},
kva = 0x0}}, pages = 0x0, mapping = 0x0, page_sizes = {phys =
0, sg = 0, gtt = 0},
get_page = {sg_pos = 0x0, sg_idx = 0, radix = {rtr_tree = {t_root =
0x0,
t_height = 0}, rtr_lock = 0 '\000'}, lock = {mtx_lock = {u =
{mtxa_owner = 0,
s = {mtxs_dummy = 0 '\000', mtxs_ipl = {_ipl = 0 '\000'},
mtxs_lock = 0 '\000', mtxs_unused = 0 '\000'}}}}}, link = {
prev = 0xc5c20a6c, next = 0xc5c20a6c}, madv = 0, dirty = true,
quirked = false},
bit_17 = 0x0, {userptr = {ptr = 0, mm = 0x0, mmu_object = 0x0, work =
0x0}, scratch = 0,
gvt_info = 0x0}}
(gdb) frame 7
#7 0xc06cffd9 in i915_gem_object_attach_phys (obj=0xc5c20900, align=4096)
at ../../../../external/bsd/drm2/dist/drm/i915/gem/i915_gem_phys.c:381
381 err = ____i915_gem_object_get_pages(obj);
(gdb) info locals
pages = 0xc5c352e4
err = <optimized out>
(gdb) frame 8
#8 0xc06653cb in intel_plane_pin_fb
(plane_state=plane_state@entry=0xc53b1c44)
at
../../../../external/bsd/drm2/dist/drm/i915/display/intel_display.c:15729
15729 err = i915_gem_object_attach_phys(obj, align);
(gdb) info locals
obj = <optimized out>
align = <optimized out>
err = <optimized out>
plane = <optimized out>
dev_priv = <optimized out>
fb = 0xc5340a04
vma = <optimized out>
(gdb) frame 9
#9 0xc0673d15 in intel_prepare_plane_fb (plane=0xc434a084,
_new_plane_state=0xc53b1c44)
at
../../../../external/bsd/drm2/dist/drm/i915/display/intel_display.c:15832
15832 ret = intel_plane_pin_fb(new_plane_state);
(gdb) info locals
new_plane_state = 0xc53b1c44
intel_state = 0xc50f1004
dev_priv = 0xc3dfd004
fb = <optimized out>
obj = 0xc5c20900
old_obj = <optimized out>
ret = <optimized out>
(gdb) frame 10
#10 0xc0afcd98 in drm_atomic_helper_prepare_planes (dev=<optimized out>,
state=<optimized out>)
at ../../../../external/bsd/drm2/dist/drm/drm_atomic_helper.c:2399
2399 ret = funcs->prepare_fb(plane, new_plane_state);
(gdb) info locals
funcs = <optimized out>
connector = <optimized out>
new_plane_state = <optimized out>
ret = <optimized out>
i = 3
new_conn_state = <optimized out>
plane = <optimized out>
j = <optimized out>
connector = <optimized out>
new_conn_state = <optimized out>
plane = <optimized out>
new_plane_state = <optimized out>
ret = <optimized out>
i = <optimized out>
j = <optimized out>
fail = <optimized out>
funcs = <optimized out>
funcs = <optimized out>
(gdb) frame 11
#11 drm_atomic_helper_prepare_planes (dev=0xc3dfd004,
state=state@entry=0xc50f1004)
at ../../../../external/bsd/drm2/dist/drm/drm_atomic_helper.c:2375
2375 int drm_atomic_helper_prepare_planes(struct drm_device *dev,
(gdb) info locals
connector = <optimized out>
new_conn_state = <optimized out>
plane = <optimized out>
new_plane_state = <optimized out>
ret = <optimized out>
i = <optimized out>
j = <optimized out>
fail = <optimized out>
funcs = <optimized out>
funcs = <optimized out>
(gdb) frame 12
#12 0xc066abaf in intel_atomic_prepare_commit (state=0xc50f1004)
at
../../../../external/bsd/drm2/dist/drm/i915/display/intel_display.c:14760
14760 return drm_atomic_helper_prepare_planes(state->base.dev,
(gdb) info locals
No locals.
(gdb) frame 13
#13 intel_atomic_commit (dev=0xc3dfd004, _state=0xc50f1004, nonblock=false)
at
../../../../external/bsd/drm2/dist/drm/i915/display/intel_display.c:15595
15595 ret = intel_atomic_prepare_commit(state);
(gdb) info locals
state = 0xc50f1004
dev_priv = 0xc3dfd004
ret = 0
(gdb) frame 14
#14 0xc0af8aa5 in drm_atomic_commit (state=state@entry=0xc50f1004)
at ../../../../external/bsd/drm2/dist/drm/drm_atomic.c:1238
1238 return config->funcs->atomic_commit(state->dev, state, false);
(gdb) info locals
config = 0xc3dfd0c8
ret = <optimized out>
(gdb) frame 15
#15 0xc0afde70 in drm_atomic_helper_update_plane (plane=0xc434a084,
crtc=0xc4348804,
fb=0xc5340a04, crtc_x=639, crtc_y=399, crtc_w=64, crtc_h=64,
src_x=0, src_y=0,
src_w=4194304, src_h=4194304, ctx=0xdcbeecb8)
at ../../../../external/bsd/drm2/dist/drm/drm_atomic_helper.c:2910
2910 ret = drm_atomic_commit(state);
(gdb) info locals
state = 0xc50f1004
plane_state = 0xc53b1c44
ret = 0
(gdb) frame 16
#16 0xc0b2b394 in __setplane_atomic (plane=plane@entry=0xc434a084,
crtc=crtc@entry=0xc4348804, fb=fb@entry=0xc5340a04,
crtc_x=crtc_x@entry=639,
crtc_y=crtc_y@entry=399, crtc_w=64, crtc_h=64, src_x=src_x@entry=0,
src_y=src_y@entry=0, src_w=src_w@entry=4194304,
src_h=src_h@entry=4194304,
ctx=ctx@entry=0xdcbeecb8) at
../../../../external/bsd/drm2/dist/drm/drm_plane.c:761
761 return plane->funcs->update_plane(plane, crtc, fb,
(gdb) info locals
ret = <optimized out>
(gdb) frame 17
#17 0xc0b2b7cd in drm_mode_cursor_universal (ctx=0xdcbeecb8,
file_priv=0xc5bfa004,
req=0xdcbeed64, crtc=0xc4348804)
at ../../../../external/bsd/drm2/dist/drm/drm_plane.c:914
914 ret = __setplane_atomic(plane, crtc, fb,
(gdb) info locals
plane = 0xc434a084
fbreq = {fb_id = 0, width = 64, height = 64, pixel_format = 875713089,
flags = 0,
handles = {11, 0, 0, 0}, pitches = {256, 0, 0, 0}, offsets = {0, 0,
0, 0}, modifier = {
0, 0, 0, 0}}
crtc_x = 639
crtc_y = 399
src_w = 4194304
src_h = 4194304
ret = 0
dev = 0xc3dfd004
fb = 0xc5340a04
crtc_w = <optimized out>
crtc_h = <optimized out>
dev = <optimized out>
plane = <optimized out>
fb = <optimized out>
fbreq = {fb_id = <optimized out>, width = <optimized out>, height =
<optimized out>,
pixel_format = <optimized out>, flags = <optimized out>, handles =
{<optimized out>,
<optimized out>, <optimized out>, <optimized out>}, pitches =
{<optimized out>,
<optimized out>, <optimized out>, <optimized out>}, offsets =
{<optimized out>,
<optimized out>, <optimized out>, <optimized out>}, modifier =
{<optimized out>,
<optimized out>, <optimized out>, <optimized out>}}
crtc_x = <optimized out>
crtc_y = <optimized out>
crtc_w = <optimized out>
crtc_h = <optimized out>
src_w = <optimized out>
src_h = <optimized out>
--Type <RET> for more, q to quit, c to continue without paging--
ret = <optimized out>
(gdb) frame 18
#18 drm_mode_cursor_common (dev=dev@entry=0xc3dfd004,
req=req@entry=0xdcbeed64,
file_priv=file_priv@entry=0xc5bfa004)
at ../../../../external/bsd/drm2/dist/drm/drm_plane.c:973
973 ret = drm_mode_cursor_universal(crtc, req, file_priv, &ctx);
(gdb) info locals
crtc = 0xc4348804
ctx = {ww_ctx = {wwx_class = 0xc14ab70c <crtc_ww_class>, wwx_owner =
0xc4361940,
wwx_ticket = 37, wwx_acquired = 2, wwx_acquire_done = false,
wwx_rb_node = {
rb_nodes = {0x0, 0x0}, rb_info = 0}}, contended = 0x0, locked =
{prev = 0xc4348840,
next = 0xc434a0bc}, trylock_only = false, interruptible = true}
ret = <optimized out>
(gdb) frame 19
#19 0xc0b2be1b in drm_mode_cursor_ioctl (dev=0xc3dfd004, data=0xdcbeeeac,
file_priv=0xc5bfa004) at
../../../../external/bsd/drm2/dist/drm/drm_plane.c:1023
1023 return drm_mode_cursor_common(dev, &new_req, file_priv);
(gdb) info locals
req = 0xdcbeeeac
new_req = {flags = 3, crtc_id = 44, x = 639, y = 399, width = 64, height
= 64,
handle = 11, hot_x = 0, hot_y = 0}
(gdb) frame 20
#20 0xc0b23bac in drm_ioctl (fp=<optimized out>, cmd=<optimized out>,
data=<optimized out>)
at ../../../../external/bsd/drm2/dist/drm/drm_ioctl.c:968
968 error = -(*ioctl->func)(dev, data0, file);
(gdb) info locals
stackbuf =
"B\000\000\000@\035\277\305P\375)\304\000\000\257\266\000\000\000\000\000\000\000\000\060\001\000\000\000\000\000\000\000\301\274\305\000\000\000\000\000\000\000\001\000\000\000\000\003\000\000\000\000\000\000\000@{\272\305\001\000\000\000$\375)\304\000\340\256\266\000\020\000\000$\375)\304|\004\000\000\000\v\303\305\000\020\000\000\002\000\000\000\000\340\256\266\001\000\000\000\000\000\000\000\001\000\000\001\003",
'\000' <repeats 11 times>, "\001\000\000"
buf = 0xdcbeedc4 "B"
data0 = 0xdcbeeeac
file = <optimized out>
nr = <optimized out>
error = <optimized out>
dev = 0xc3dfd004
ioctl = <optimized out>
is_driver_ioctl = <optimized out>
(gdb) frame 21
#21 0xc0af1d86 in drm_ioctl_shim (fp=0xc5b908c0, cmd=3223086243,
data=0xdcbeeeac)
at ../../../../external/bsd/drm2/drm/drm_cdevsw.c:393
393 error = drm_ioctl(fp, cmd, data);
(gdb) info locals
file = <optimized out>
driver = <optimized out>
error = <optimized out>
(gdb) frame 22
#22 0xc0cc9867 in sys_ioctl (l=<optimized out>, uap=<optimized out>,
retval=<optimized out>) at ../../../../kern/sys_generic.c:675
675 error = (*fp->f_ops->fo_ioctl)(fp, com, data);
(gdb) info locals
fp = <optimized out>
p = <optimized out>
com = <optimized out>
error = <optimized out>
size = <optimized out>
alloc_size = <optimized out>
data = 0xdcbeeeac
memp = 0x0
stkbuf = {3, 44, 639, 399, 64, 64, 11, 262, 3291879744, 2, 3703500700,
3222468089,
3291086116, 3064913920, 2, 0, 0, 1, 3, 1, 3317481848, 3291086116, 0,
3064913920,
3064913920, 3291086116, 0, 3291065536, 3703492608, 3703500712, 0, 0}
(gdb) frame 23
#23 0xc049b4c6 in sy_call (rval=0xdcbeef60, uap=0xdcbeef68, l=0xc4361940,
sy=0xc14ae998 <sysent+1080>) at ../../../../sys/syscallvar.h:65
65 error = (*sy->sy_call)(l, uap, rval);
(gdb) info locals
error = <optimized out>
error = <optimized out>
(gdb) frame 24
#24 sy_invoke (code=<optimized out>, rval=0xdcbeef60, uap=0xdcbeef68,
l=0xc4361940,
sy=0xc14ae998 <sysent+1080>) at ../../../../sys/syscallvar.h:94
94 error = sy_call(sy, l, uap, rval);
(gdb) info locals
do_trace = <optimized out>
error = <optimized out>
do_trace = <optimized out>
error = <optimized out>
(gdb) frame 25
#25 syscall (frame=0xdcbeefa8) at ../../../../arch/x86/x86/syscall.c:138
138 error = sy_invoke(callp, l, args, rval, code);
(gdb) info locals
callp = 0xc14ae998 <sysent+1080>
p = <optimized out>
l = 0xc4361940
error = <optimized out>
code = <optimized out>
rval = {0, 0}
args = {10, -1071881053, -1078530356, -1195388928, 10, 0, 281542656, 0,
-1195388928,
-1078530476}
(gdb) frame 26
#26 0xc0102230 in Xsyscall ()
(gdb) info locals
No symbol table info available.
(gdb) frame 27
#27 0xdcbeefa8 in ?? ()
(gdb) info locals
No symbol table info available.
(gdb) frame 28
No frame at level 28.
(gdb)
Thanks
Ramiro.
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