linux-kernel - Re: linux-next: Tree for Jul 25 [ call-trace: drm

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Date:	Thu, 25 Jul 2013 10:54:20 +0200
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Dave Airlie <airlied@...il.com>,
	DRI <dri-devel@...ts.freedesktop.org>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>
Subject: Re: linux-next: Tree for Jul 25 [ call-trace: drm | drm-intel
 related? ]

On Thu, Jul 25, 2013 at 7:12 AM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> Hi all,
>
> Changes since 20130724:
>
> Removed tree:
>         arm-dt (at maintainer's request)
>
> The wireless-next tree lost its build failure and gained a conflict
> against Linus' tree.
>
> The tty tree lost its build failure.
>
> The staging tree gained a build failure for which I disabled a driver.
>
> ----------------------------------------------------------------------------
>

[ CCing drm and drm-intel folks ]

With today's next-20130725 I see the following:

[   17.122627] [drm] Memory usable by graphics device = 2048M
[   17.122639] i915 0000:00:02.0: setting latency timer to 64
[   17.164740] BUG: spinlock bad magic on CPU#3, modprobe/635
[   17.164797]  lock: 0xffff8800bc534040, .magic: 00000000, .owner:
<none>/-1, .owner_cpu: 0
[   17.164856] CPU: 3 PID: 635 Comm: modprobe Not tainted
3.11.0-rc2-next20130725-1-iniza-small #1
[   17.164914] Hardware name: SAMSUNG ELECTRONICS CO., LTD.
530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013
[   17.164977]  0000000000000000 ffff8800c0fa1738 ffffffff816ddfc9
0000000000000007
[   17.165101]  ffff8800bc534040 ffff8800c0fa1758 ffffffff816de065
ffff8800bc534040
[   17.165222]  ffffffff81a5f497 ffff8800c0fa1778 ffffffff816de08b
ffff8800bc534040
[   17.165345] Call Trace:
[   17.165386]  [<ffffffff816ddfc9>] dump_stack+0x46/0x58
[   17.165428]  [<ffffffff816de065>] spin_dump+0x8a/0x8f
[   17.165469]  [<ffffffff816de08b>] spin_bug+0x21/0x26
[   17.165511]  [<ffffffff813787c4>] do_raw_spin_lock+0x84/0x120
[   17.165554]  [<ffffffff816e6db4>] _raw_spin_lock_irqsave+0x24/0x30
[   17.165620]  [<ffffffffa037a456>] i915_write32+0x36/0x150 [i915]
[   17.165690]  [<ffffffffa03cf4c5>]
intel_disable_gt_powersave+0xf5/0x360 [i915]
[   17.165768]  [<ffffffffa03d1129>] intel_gt_sanitize+0x49/0xb0 [i915]
[   17.165827]  [<ffffffffa037dd68>] i915_driver_load+0x638/0xed0 [i915]
[   17.165886]  [<ffffffffa01b4b91>] drm_get_pci_dev+0x181/0x2a0 [drm]
[   17.165929]  [<ffffffff813788fd>] ? do_raw_spin_unlock+0x5d/0xb0
[   17.165987]  [<ffffffffa03796f6>] i915_pci_probe+0x36/0x70 [i915]
[   17.166031]  [<ffffffff813973ab>] local_pci_probe+0x4b/0x80
[   17.166073]  [<ffffffff81398c81>] pci_device_probe+0x101/0x120
[   17.166115]  [<ffffffff8147599b>] driver_probe_device+0x7b/0x240
[   17.166158]  [<ffffffff81475c0b>] __driver_attach+0xab/0xb0
[   17.166200]  [<ffffffff81475b60>] ? driver_probe_device+0x240/0x240
[   17.166244]  [<ffffffff81473c7e>] bus_for_each_dev+0x5e/0x90
[   17.166286]  [<ffffffff8147549e>] driver_attach+0x1e/0x20
[   17.166330]  [<ffffffff81474f94>] bus_add_driver+0x104/0x270
[   17.166372]  [<ffffffff8147616d>] driver_register+0x7d/0x160
[   17.166415]  [<ffffffff81397c04>] __pci_register_driver+0x64/0x70
[   17.166460]  [<ffffffffa0446000>] ? 0xffffffffa0445fff
[   17.166510]  [<ffffffffa01b4dca>] drm_pci_init+0x11a/0x130 [drm]
[   17.166553]  [<ffffffffa0446000>] ? 0xffffffffa0445fff
[   17.166610]  [<ffffffffa0446066>] i915_init+0x66/0x68 [i915]
[   17.166652]  [<ffffffff8100207e>] do_one_initcall+0x4e/0x180
[   17.166696]  [<ffffffff81058453>] ? set_memory_nx+0x43/0x50
[   17.166742]  [<ffffffff810d111c>] load_module+0x209c/0x25b0
[   17.166784]  [<ffffffff810cdd40>] ? show_initstate+0x50/0x50
[   17.166827]  [<ffffffff810d16dc>] SyS_init_module+0xac/0xd0
[   17.166871]  [<ffffffff816efdef>] tracesys+0xe1/0xe6
[   17.167649] i915 0000:00:02.0: irq 49 for MSI/MSI-X
[   17.167709] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[   17.167753] [drm] Driver supports precise vblank timestamp query.

I can't say what is the root cause and when it occured for the 1st
time (my last Linux-next release was next-20130709).

Please, see also attached kernel-config and full dmesg.

- Sedat -

View attachment "dmesg_3.11.0-rc2-next20130725-1-iniza-small.txt" of type "text/plain" (87267 bytes)

Download attachment "config-3.11.0-rc2-next20130725-1-iniza-small" of type "application/octet-stream" (115044 bytes)