From: Pavel Machek <pavel@ucw.cz>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org, stable@vger.kernel.org
Subject: Re: [Intel-gfx] [PATCH 1/2] drm/i915/gem: Replace reloc chain with terminator on error unwind
Date: Wed, 19 Aug 2020 21:47:23 +0200 [thread overview]
Message-ID: <20200819194723.GA7451@amd.ucw.cz> (raw)
In-Reply-To: <159786604254.667.11923001796829417234@build.alporthouse.com>
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Hi!
> > Yep, my machines are low on memory.
> >
> > But ... test did not work that well. I have dead X and blinking
> > screen. Machine still works reasonably well over ssh, so I guess
> > that's an improvement.
>
> > [ 7744.718473] BUG: unable to handle page fault for address: f8c00000
> > [ 7744.718484] #PF: supervisor write access in kernel mode
> > [ 7744.718487] #PF: error_code(0x0002) - not-present page
> > [ 7744.718491] *pdpt = 0000000031b0b001 *pde = 0000000000000000
> > [ 7744.718500] Oops: 0002 [#1] PREEMPT SMP PTI
> > [ 7744.718506] CPU: 0 PID: 3004 Comm: Xorg Not tainted 5.9.0-rc1-next-20200819+ #134
> > [ 7744.718509] Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.19 ) 03/31/2011
> > [ 7744.718518] EIP: eb_relocate_vma+0xdbf/0xf20
>
> To save me guessing, paste the above location into
> ./scripts/decode_stacktrace.sh ./vmlinux . ./drivers/gpu/drm/i915
>
> The f8c00000 is something running off the end of a kmap, but I didn't
> spot a path were we would ignore an error and keep on writing.
> Nevertheless it must exist.
Like this?
$ ./scripts/decode_stacktrace.sh ./vmlinux . ./drivers/gpu/drm/i915
f8c00000
f8c00000
eb_relocate_vma+0xdbf/0xf20
eb_relocate_vma (i915_gem_execbuffer.c:?)
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
stable@vger.kernel.org
Subject: Re: [PATCH 1/2] drm/i915/gem: Replace reloc chain with terminator on error unwind
Date: Wed, 19 Aug 2020 21:47:23 +0200 [thread overview]
Message-ID: <20200819194723.GA7451@amd.ucw.cz> (raw)
In-Reply-To: <159786604254.667.11923001796829417234@build.alporthouse.com>
[-- Attachment #1: Type: text/plain, Size: 1423 bytes --]
Hi!
> > Yep, my machines are low on memory.
> >
> > But ... test did not work that well. I have dead X and blinking
> > screen. Machine still works reasonably well over ssh, so I guess
> > that's an improvement.
>
> > [ 7744.718473] BUG: unable to handle page fault for address: f8c00000
> > [ 7744.718484] #PF: supervisor write access in kernel mode
> > [ 7744.718487] #PF: error_code(0x0002) - not-present page
> > [ 7744.718491] *pdpt = 0000000031b0b001 *pde = 0000000000000000
> > [ 7744.718500] Oops: 0002 [#1] PREEMPT SMP PTI
> > [ 7744.718506] CPU: 0 PID: 3004 Comm: Xorg Not tainted 5.9.0-rc1-next-20200819+ #134
> > [ 7744.718509] Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.19 ) 03/31/2011
> > [ 7744.718518] EIP: eb_relocate_vma+0xdbf/0xf20
>
> To save me guessing, paste the above location into
> ./scripts/decode_stacktrace.sh ./vmlinux . ./drivers/gpu/drm/i915
>
> The f8c00000 is something running off the end of a kmap, but I didn't
> spot a path were we would ignore an error and keep on writing.
> Nevertheless it must exist.
Like this?
$ ./scripts/decode_stacktrace.sh ./vmlinux . ./drivers/gpu/drm/i915
f8c00000
f8c00000
eb_relocate_vma+0xdbf/0xf20
eb_relocate_vma (i915_gem_execbuffer.c:?)
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2020-08-19 19:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-19 10:39 [Intel-gfx] [PATCH 1/2] drm/i915/gem: Replace reloc chain with terminator on error unwind Chris Wilson
2020-08-19 10:39 ` Chris Wilson
2020-08-19 10:39 ` [Intel-gfx] [PATCH 2/2] drm/i915/gem: Fallback to using a plain kmap if reloc address space is limited Chris Wilson
2020-08-19 10:39 ` Chris Wilson
2020-08-19 11:48 ` [Intel-gfx] ✓ Fi.CI.BAT: success for series starting with [1/2] drm/i915/gem: Replace reloc chain with terminator on error unwind Patchwork
2020-08-19 17:23 ` [Intel-gfx] [PATCH 1/2] " Pavel Machek
2020-08-19 17:23 ` Pavel Machek
2020-08-19 17:36 ` [Intel-gfx] " Chris Wilson
2020-08-19 17:36 ` Chris Wilson
2020-08-19 19:33 ` [Intel-gfx] " Pavel Machek
2020-08-19 19:33 ` Pavel Machek
2020-08-19 19:40 ` [Intel-gfx] " Chris Wilson
2020-08-19 19:40 ` Chris Wilson
2020-08-19 19:47 ` Pavel Machek [this message]
2020-08-19 19:47 ` Pavel Machek
2020-08-19 19:52 ` [Intel-gfx] " Chris Wilson
2020-08-19 19:52 ` Chris Wilson
2020-08-20 7:36 ` Chris Wilson
2020-08-20 7:36 ` Chris Wilson
2020-09-08 22:23 ` [Intel-gfx] " Pavel Machek
2020-09-08 22:23 ` Pavel Machek
2020-08-19 21:38 ` [Intel-gfx] ✓ Fi.CI.IGT: success for series starting with [1/2] " Patchwork
2020-08-20 7:37 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for series starting with [1/2] drm/i915/gem: Replace reloc chain with terminator on error unwind (rev2) Patchwork
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