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Re: kern/50728: X DRM pineview hangs
The following reply was made to PR kern/50728; it has been noted by GNATS.
From: Jose Luis Rodriguez Garcia <joseyluis%gmail.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc:
Subject: Re: kern/50728: X DRM pineview hangs
Date: Mon, 1 Feb 2016 01:02:06 +0100
pc2# crash -M netbsd.13.core -N netbsd.13
Crash version 7.0, image version 7.0.
System panicked: kernel diagnostic assertion "panicstr != NULL"
failed: file "../../../../arch/x86/x86/pmap.c", line 1281
Backtrace from time of crash is available.
crash> ps |egrep 'X|ps'
3052 1 3 0 9020000 fffffe81175800c0 ps tstile
1723 2 4 0 9020000 fffffe813d71db60 Xorg
1723 1 3 3 9020000 fffffe813b674b80 Xorg uao_getpage
backtrace from ps:
crash> bt/t 0t3052
trace: pid 3052 lid 1 at 0xfffffe80480a4a70
sleepq_block() at sleepq_block+0xa2
turnstile_block() at turnstile_block+0x346
rw_enter() at rw_enter+0x37b
vm_map_lock() at vm_map_lock+0x62
uvm_map_extract() at uvm_map_extract+0x8f
uvm_io() at uvm_io+0xc1
copyin_vmspace() at copyin_vmspace+0x8f
copyin_proc() at copyin_proc+0x35
copyin_psstrings() at copyin_psstrings+0x5b
sysctl_kern_proc_args() at sysctl_kern_proc_args+0x23b
sysctl_dispatch() at sysctl_dispatch+0xc4
sys___sysctl() at sys___sysctl+0xd0
syscall() at syscall+0x9a
--- syscall (number 202) ---
7f7ff6d00a7a:
backtrace from the threads of Xorg:
crash> t/a fffffe813d71db60
trace: pid 1723 lid 2 at 0xfffffe804148ddb8
sigswitch() at sigswitch+0xbd
issignal() at issignal+0x127
sleepq_block() at sleepq_block+0x144
lwp_park() at lwp_park+0x107
sys____lwp_park60() at sys____lwp_park60+0x52
syscall() at syscall+0x9a
--- syscall (number 478) ---
7f7ff429f65a:
crash> t/a fffffe813b674b80
trace: pid 1723 lid 1 at 0xfffffe8041499908
sleepq_block() at sleepq_block+0xa2
mtsleep() at mtsleep+0x155
uao_get() at uao_get+0x2de
uvm_obj_wirepages() at uvm_obj_wirepages+0xa3
i915_gem_object_get_pages_gtt() at i915_gem_object_get_pages_gtt+0xc7
i915_gem_object_get_pages() at i915_gem_object_get_pages+0x48
i915_gem_object_pin() at i915_gem_object_pin+0x3b7
i915_gem_fault() at i915_gem_fault+0x135
uvm_fault_internal() at uvm_fault_internal+0x828
trap() at trap+0x253
--- trap (number 6) ---
7f7ff430db6f:
Backtrace from i915 kernel thread. It can be usefull.
crash> ps|grep i915
0 37 3 0 200 fffffe81074a0160 i915 i915
crash> t/a fffffe81074a0160
trace: pid 0 lid 37 at 0xfffffe8040091e78
sleepq_block() at sleepq_block+0xa2
cv_wait() at cv_wait+0x116
workqueue_worker() at workqueue_worker+0x53
I copy all the process that have waits . I don't know well what waits
I must look for.
crash> ps
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
3052 1 3 0 9020000 fffffe81175800c0 ps tstile
331 1 3 1 8020080 fffffe812c204120 firefox select
1723 2 4 0 9020000 fffffe813d71db60 Xorg
1723 1 3 3 9020000 fffffe813b674b80 Xorg uao_getpage
0 78 3 0 200 fffffe813b8ad780 nfsio nfsiod
0 77 3 0 200 fffffe813b8adba0 nfsio nfsiod
0 76 3 0 200 fffffe813b674340 nfsio nfsiod
0 75 3 0 200 fffffe813b674760 nfsio nfsiod
0 74 3 0 200 fffffe813eb92ac0 physiod physiod
0 73 3 0 200 fffffe813eba3ae0 aiodoned aiodoned
0 68 3 0 200 fffffe8107c60260 atapibus0 sccomp
0 65 3 0 200 fffffe8107bf6600 usb4 usbevt
0 64 2 0 200 fffffe8107bf6a20 usb2
0 63 3 0 200 fffffe8107bf61e0 usb1 usbevt
0 62 3 0 200 fffffe8107b5c1c0 usb3 usbevt
0 61 3 0 200 fffffe8107bc7200 usb0 usbevt
0 60 3 0 200 fffffe8107c60680 cryptoret crypto_w
0 59 3 0 200 fffffe8107bfc240 unpgc unpgc
0 58 3 0 200 fffffe8107bf8a60 vmem_rehash vmem_rehash
0 57 3 0 200 fffffe8107bfc660 sdmmc0 mmctaskq
0 56 3 0 200 fffffe8107bfca80 coretemp1 coretemp1
0 55 3 0 200 fffffe8107bf8220 coretemp0 coretemp0
0 54 3 0 200 fffffe8107bf8640 acpitz0 acpitz0
0 45 3 0 200 fffffe8107b5c5e0 iic0 iicintr
0 44 3 0 200 fffffe8107b5ca00 atabus3 atath
0 43 3 0 200 fffffe8107b3d1a0 atabus2 atath
0 42 3 0 200 fffffe8107b3d5c0 atabus1 atath
0 41 3 0 200 fffffe8107b3d9e0 atabus0 atath
0 40 3 0 200 fffffe810770a180 usbtask-dr usbtsk
0 39 3 0 200 fffffe810770a5a0 usbtask-hc usbtsk
0 38 3 0 200 fffffe810770a9c0 intelfb intelfb
0 37 3 0 200 fffffe81074a0160 i915 i915
0 36 3 0 200 fffffe81074a0580 lnxsyswq lnxsyswq
0 35 3 0 200 fffffe81074a09a0 acpiec sci thre ecsci
0 34 3 3 200 fffffe8107450140 xcall/3 xcall
0 28 3 2 200 fffffe810743d100 xcall/2 xcall
0 22 3 1 200 fffffe81074090c0 xcall/1 xcall
0 16 3 0 200 fffffe813ece4080 sysmon smtaskq
0 15 3 0 200 fffffe813ece44a0 pmfsuspend pmfsuspend
0 14 3 0 200 fffffe813ece48c0 pmfevent pmfevent
0 13 3 0 200 fffffe813f504060 sopendfree sopendfr
0 12 3 0 200 fffffe813f504480 nfssilly nfssilly
0 11 3 0 200 fffffe813f5048a0 cachegc cachegc
0 8 3 0 200 fffffe813fb11880 modunload mod_unld
0 7 3 0 200 fffffe813fb16020 xcall/0 xcall
0 1 3 0 200 ffffffff810d25a0 swapper uvm
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