Date: Mon, 19 Jan 2015 22:50:50 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: "grembo@freebsd.org >> Michael Gmelin" <grembo@freebsd.org>, Konstantin Belousov <kib@freebsd.org>, Allan Jude <allanjude@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: i915 crash Message-ID: <CAJ-Vmokf35wEqYe9AcxD5GA05fvogWN0S-sxX5kp=HaucHAJPg@mail.gmail.com> In-Reply-To: <20150107182314.GO42409@kib.kiev.ua> References: <54ACCBB3.1080906@freebsd.org> <20150107182314.GO42409@kib.kiev.ua>
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I'm running with this patch right now; I was seeing "panic: in GPU write domain" and with this patch I'm not. -a On 7 January 2015 at 10:23, Konstantin Belousov <kostikbel@gmail.com> wrote: > On Wed, Jan 07, 2015 at 01:01:23AM -0500, Allan Jude wrote: >> I grabbed the latest i915.8.patch from kib@'s website and compiled it >> against r276774 (today) >> >> Machine is a Lenovo T530, booted UEFI, with the nvidia GPU disabled. >> >> CPU: Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz (2594.16-MHz K8-class CPU) >> >> It is an Ivy-bridge CPU/GPU >> >> I installed xorg and kde, and when I try to start KDE, it loads, and >> gets so far as showing the FreeBSD wallpaper, then panics: >> >> >> text dump: http://www.allanjude.com/bsd/i915_core.3.txt >> Full dump: (26mb compressed, 740mb original) > This is useless for anybody except you. > >> http://www.allanjude.com/bsd/i915_vmcore.3.xz >> >> Unread portion of the kernel message buffer: >> panic: In GPU write domain >> cpuid = 3 >> KDB: stack backtrace: >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame >> 0xfffffe045e52e600 >> vpanic() at vpanic+0x189/frame 0xfffffe045e52e680 >> kassert_panic() at kassert_panic+0x132/frame 0xfffffe045e52e6f0 >> i915_gem_pread_ioctl() at i915_gem_pread_ioctl+0x678/frame >> 0xfffffe045e52e790 >> drm_ioctl() at drm_ioctl+0x318/frame 0xfffffe045e52e800 >> devfs_ioctl_f() at devfs_ioctl_f+0x122/frame 0xfffffe045e52e860 >> kern_ioctl() at kern_ioctl+0x2c0/frame 0xfffffe045e52e8c0 >> sys_ioctl() at sys_ioctl+0x153/frame 0xfffffe045e52e9a0 >> amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe045e52eab0 >> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe045e52eab0 >> --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8022a56fa, rsp = >> 0x7fffffffe718, rbp = 0x7fffffffe740 --- >> KDB: enter: panic >> Uptime: 9m19s >> Dumping 739 out of 16176 >> MB:..3%..11%..22%..31%..42%..52%..61%..72%..81%..91% >> >> Reading symbols from /boot/kernel/i915kms.ko.symbols...done. >> Loaded symbols for /boot/kernel/i915kms.ko.symbols >> Reading symbols from /boot/kernel/drm2.ko.symbols...done. >> Loaded symbols for /boot/kernel/drm2.ko.symbols >> Reading symbols from /boot/kernel/iicbus.ko.symbols...done. >> Loaded symbols for /boot/kernel/iicbus.ko.symbols >> Reading symbols from /boot/kernel/iic.ko.symbols...done. >> Loaded symbols for /boot/kernel/iic.ko.symbols >> Reading symbols from /boot/kernel/iicbb.ko.symbols...done. >> Loaded symbols for /boot/kernel/iicbb.ko.symbols >> #0 doadump (textdump=Unhandled dwarf expression opcode 0x93 >> ) at pcpu.h:219 >> 219 pcpu.h: No such file or directory. >> in pcpu.h >> (kgdb) #0 doadump (textdump=Unhandled dwarf expression opcode 0x93 >> ) at pcpu.h:219 >> #1 0xffffffff80965d27 in kern_reboot (howto=Unhandled dwarf expression >> opcode 0x93 >> ) >> at /usr/src/sys/kern/kern_shutdown.c:448 >> #2 0xffffffff80966318 in vpanic (fmt=<value optimized out>, >> ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:747 >> #3 0xffffffff80966142 in kassert_panic (fmt=<value optimized out>) >> at /usr/src/sys/kern/kern_shutdown.c:635 >> #4 0xffffffff81e1de88 in i915_gem_pread_ioctl (dev=0xfffff8002ffd1000, >> data=0xfffffe045e52e8f0, file=<value optimized out>) >> at >> /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem.c:3010 > >> #5 0xffffffff81e9a398 in drm_ioctl (kdev=<value optimized out>, >> cmd=2149606492, data=0xfffffe045e52e8f0 "y", flags=Unhandled dwarf >> expression opcode 0x93 >> ) >> at /usr/src/sys/modules/drm2/drm2/../../../dev/drm2/drm_drv.c:942 >> #6 0xffffffff80849942 in devfs_ioctl_f (fp=0xfffff80009c15690, >> com=2149606492, data=0xfffffe045e52e8f0, cred=0xfffffe045e52e8f0, >> td=0xfffff80009c74000) at /usr/src/sys/fs/devfs/devfs_vnops.c:775 >> #7 0xffffffff809c3ad0 in kern_ioctl (td=0xfffff80009c74000, >> fd=<value optimized out>, com=0, data=<value optimized out>) at >> file.h:318 >> #8 0xffffffff809c3763 in sys_ioctl (td=0xfffff80009c74000, >> uap=0xfffffe045e52ea40) at /usr/src/sys/kern/sys_generic.c:718 >> #9 0xffffffff80d8590a in amd64_syscall (td=0xfffff80009c74000, traced=0) >> at subr_syscall.c:133 >> #10 0xffffffff80d632ab in Xfast_syscall () >> at /usr/src/sys/amd64/amd64/exception.S:395 >> #11 0x00000008022a56fa in ?? () >> Previous frame inner to this frame (corrupt stack?) >> Current language: auto; currently minimal >> > > Is this reproducable ? > > Try the following patch on top of i915.8. > > commit 9af6c652745f551e2b6ce5218e350a5e47999feb > Author: Konstantin Belousov <kib@freebsd.org> > Date: Wed Jan 7 20:21:46 2015 +0200 > > Properly move object into gtt domain when needed. > > diff --git a/sys/dev/drm2/i915/i915_gem.c b/sys/dev/drm2/i915/i915_gem.c > index 0f72d08..58cbb59 100644 > --- a/sys/dev/drm2/i915/i915_gem.c > +++ b/sys/dev/drm2/i915/i915_gem.c > @@ -1251,7 +1251,7 @@ i915_gem_shmem_pread(struct drm_device *dev, > * optimizes for the case when the gpu will dirty the data > * anyway again before the next pread happens. */ > needs_clflush = !cpu_cache_is_coherent(dev, obj->cache_level); > - ret = i915_gem_object_wait_rendering(obj); > + ret = i915_gem_object_set_to_gtt_domain(obj, false); > if (ret) > return ret; > } > @@ -1579,7 +1579,7 @@ i915_gem_shmem_pwrite(struct drm_device *dev, > * optimizes for the case when the gpu will use the data > * right away and we therefore have to clflush anyway. */ > needs_clflush_after = cpu_write_needs_clflush(obj); > - ret = i915_gem_object_wait_rendering(obj); > + ret = i915_gem_object_set_to_gtt_domain(obj, true); > if (ret) > return ret; > } > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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