pkg/55147: pkgsrc Xorg dumps core

[Hauke Fath <hf%spg.tu-darmstadt.de@localhost>]

>Number:         55147
>Category:       pkg
>Synopsis:       pkgsrc Xorg dumps core
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Apr 06 11:10:00 +0000 2020
>Originator:     Hauke Fath
>Release:        NetBSD 9.0_STABLE
>Organization:
Technische Universitaet Darmstadt
>Environment:
	
	
System: NetBSD localhost 9.0_STABLE NetBSD 9.0_STABLE (HP2170P) #1: Fri Apr 3 22:39:54 CEST 2020 hauke@localhost:/var/obj/netbsd-builds/9/amd64/sys/arch/amd64/compile/HP2170P amd64
Architecture: x86_64
Machine: amd64
>Description:

	With a current pkgsrc xorg installation
	(modular-xorg-server-1.20.8, xf86-video-intel-2.99.917nb7),
	the X server dumps core early:

[hauke@localhost] ~ # gdb /usr/pkg/bin/Xorg X.core 
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Reading symbols from /usr/pkg/bin/Xorg...
[New process 1]
[New process 2]
Core was generated by `X'.
Program terminated with signal SIGABRT, Aborted.
#0  0x0000773b58b8353a in _lwp_kill () from /usr/lib/libc.so.12
[Current thread is 1 (process 1)]
(gdb) bt
#0  0x0000773b58b8353a in _lwp_kill () from /usr/lib/libc.so.12
#1  0x0000773b58b831e9 in abort () from /usr/lib/libc.so.12
#2  0x000000000056b30b in OsAbort () at utils.c:1351
#3  0x000000000056faea in AbortServer () at log.c:879
#4  0x0000000000570815 in FatalError (f=f@entry=0x5aa750 "Caught signal %d (%s). Server aborting\n") at log.c:1017
#5  0x00000000005686b3 in OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at osinit.c:156
#6  <signal handler called>
#7  0x0000000000000000 in ?? ()
#8  0x0000773b5381cab1 in kgem_retire (kgem=kgem@entry=0x773b5cca9000) at kgem.c:2789
#9  0x0000773b5381e26c in kgem_cleanup_cache (kgem=0x773b5cca9000) at kgem.c:4023
#10 0x0000773b5381e3c4 in __kgem_bo_map__cpu (kgem=kgem@entry=0x773b5cca9000, bo=0x773b5d014320) at kgem.c:536
#11 0x0000773b5381e3fd in kgem_bo_map__cpu (kgem=kgem@entry=0x773b5cca9000, bo=<optimized out>) at kgem.c:6347
#12 0x0000773b53821f40 in kgem_bo_map__cpu (bo=<optimized out>, kgem=0x773b5cca9000) at kgem.c:1458
#13 kgem_new_batch (kgem=kgem@entry=0x773b5cca9000) at kgem.c:1471
#14 0x0000773b5382282f in kgem_init (kgem=kgem@entry=0x773b5cca9000, fd=<optimized out>, dev=<optimized out>, gen=gen@entry=56) at kgem.c:1631
#15 0x0000773b53867e8a in sna_pre_init (scrn=0x773b5cd61000, probe=<optimized out>) at sna_driver.c:651
#16 0x000000000046aff5 in InitOutput (pScreenInfo=pScreenInfo@entry=0x81bd20 <screenInfo>, argc=argc@entry=4, argv=argv@entry=0x7f7fff3ed228) at xf86Init.c:523
#17 0x0000000000432ffb in dix_main (argc=4, argv=0x7f7fff3ed228, envp=<optimized out>) at main.c:193
#18 0x000000000041eddd in ___start ()
#19 0x00007f7eada0ea18 in ?? () from /usr/libexec/ld.elf_so
#20 0x0000000000000004 in ?? ()
#21 0x00007f7fff3ed8a8 in ?? ()
#22 0x00007f7fff3ed8b7 in ?? ()
#23 0x00007f7fff3ed8ba in ?? ()
#24 0x00007f7fff3ed8c0 in ?? ()
#25 0x0000000000000000 in ?? ()
(gdb) 

	From dmesg:
[     1.000003] cpu0: Intel(R) Core(TM) i5-3427U CPU @ 1.80GHz, id 0x306a9

[...]

[     9.184265] kern info: [drm] Memory usable by graphics device = 2048M
[     9.212940] kern info: [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[     9.239455] kern info: [drm] Driver supports precise vblank timestamp query.
[     9.265435] kern info: [drm] failed to find VBIOS tables
[     9.291128] i915drmkms0: interrupting at ioapic0 pin 16 (i915drmkms0)
[     9.342221] intelfb0 at i915drmkms0
[     9.373242] intelfb0: framebuffer at 0xffffbb00ae513000, size 1366x768, depth 32, stride 5504
[     9.632353] kern error: [drm:(/local/source/netbsd-9/src/sys/external/bsd/drm2/dist/drm/i915/intel_fifo_underrun.c:230)cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch fifo underrun on pch transcoder A
[     9.686722] kern error: [drm:(/local/source/netbsd-9/src/sys/external/bsd/drm2/dist/drm/i915/intel_fifo_underrun.c:381)intel_pch_fifo_underrun_irq_handler] *ERROR* PCH transcoder A FIFO underrun
[    10.062552] wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
[    10.082712] wsmux1: connecting to wsdisplay0


	
>How-To-Repeat:

	Start pkgsrc xinit or xdm on an intel-graphics netbsd-9 machine.

	
>Fix:
	

	Yes, please.

>Unformatted: