drm_mm.c regression: Re: 4.0-rc3 on thinkpad x60: GUI locked up, numlock ok

[Pavel Machek]

On Mon 2015-03-16 09:12:54, Daniel Vetter wrote:
> On Sat, Mar 14, 2015 at 08:21:04AM +0100, Pavel Machek wrote:
> > On Thu 2015-03-12 15:23:20, Pavel Machek wrote:
> > > Hi!
> > > 
> > > It happened twice so far: in one case gui locked up, but music
> > > continued playing, and I could still ssh in. (Nothing interesting in
> > > the logs, if I can tell in all the spam wifi prints).
> > > 
> > > Today it locked with blanked screen. Could not ssh in, but that may
> > > have to do with network manager. Numlock worked.
> > 
> > Third time. It is starting to get annoying. But today there's bonus in
> > dmesg:
> 
> Dave just sent out the pull request with the fix for this:
> 
> commit 046d669c62f37323ef0329c41d83a03c06b2087d
> Author: Krzysztof Kolasa <kkolasa at winsoft.pl>
> Date:   Sun Mar 15 20:22:36 2015 +0100
> 
>     [PATCH] drm/mm: Fix support 4 GiB and larger ranges

Good, because it just happened again:

[27666.938510] ------------[ cut here ]------------
[27666.938569] kernel BUG at drivers/gpu/drm/drm_mm.c:305!
[27666.938609] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
[27666.938657] Modules linked in:
[27666.938681] CPU: 0 PID: 4874 Comm: chromium Tainted: G        W
4.0.0-rc3+ #52
[27666.938740] Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW
(2.19 ) 03/31/2011
[27666.938801] task: f27bd560 ti: e15f0000 task.ti: e15f0000
[27666.938843] EIP: 0060:[<c4397f45>] EFLAGS: 00210206 CPU: 0
[27666.938888] EIP is at
drm_mm_insert_node_in_range_generic+0x395/0x450
[27666.938937] EAX: 00200000 EBX: eb9c5f88 ECX: f5032f80 EDX: 00000000
[27666.938985] ESI: eb9c5f80 EDI: eb9c5f80 EBP: e15f1e20 ESP: e15f1dbc
[27666.939032]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[27666.939071] CR0: 80050033 CR2: 7327e000 CR3: 0d8d9000 CR4: 00000630
[27666.939117] Stack:
[27666.939125]  eb9c5f80 ffffffff c2658c80 00000000 00000000 00145000
00000000 00000000
[27666.939210]  10000000 00000000 0004b000 00000000 00000000 00000000
00190000 00000000
[27666.939296]  00000000 f5754d40 00100000 00000000 00190000 00000000
00100000 f5754d40
[27666.939381] Call Trace:
[27666.939401]  [<c43d044f>] i915_gem_object_pin_view+0x5ff/0x7e0
[27666.939444]  [<c43d22d1>] i915_gem_fault+0x101/0x2f0
[27666.939482]  [<c40dee9f>] __do_fault+0x2f/0x80
[27666.939515]  [<c40e2086>] handle_mm_fault+0x156/0xd70
[27666.939555]  [<c403118c>] ? __do_page_fault+0xbc/0x390
[27666.939592]  [<c4031470>] ? vmalloc_sync_all+0x10/0x10
[27666.939629]  [<c40311db>] __do_page_fault+0x10b/0x390
[27666.939667]  [<c4031470>] ? vmalloc_sync_all+0x10/0x10
[27666.939705]  [<c403147b>] do_page_fault+0xb/0x10
[27666.939738]  [<c4870f57>] error_code+0x67/0x6c
[27666.939771]  [<c4870000>] ? _raw_read_lock_irq+0x20/0x30
[27666.939807] Code: 05 0f 0b 8d 76 00 3b 55 e8 77 0b 72 05 3b 45 e4
73 04 0f 0b 66 90 8b 75 9c 03 46 20 13 56 24 3b 55 f0 72 12 77 05 3b
45 ec 76 0b <0f> 0b 89 f6 8d bc 27 00 00 00 00 39 55 d0 77 0b 72 05 39
45 bc
[27666.940014] EIP: [<c4397f45>]
drm_mm_insert_node_in_range_generic+0x395/0x450 SS:ESP 0068:e15f1dbc
[27666.949073] ---[ end trace bb50045557d0292f ]---



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