[Bug 65496] [HSW] resume from s4 sporadically causes call trace and system hang, with warm boot
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Sep 4 15:08:16 PDT 2013
https://bugs.freedesktop.org/show_bug.cgi?id=65496
--- Comment #30 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to comment #29)
> I've been doing some investigation and although I see backtraces mostly for
> file-system operations, they always seem to happen when we're doing
> gmbus/dp-aux. I also get "general protection fault: 0000" messages.
>
> These errors don't crash my machine.
I spent even more time debugging this today, and again: most of the error
messages I see come when we're doing gmbus/dp-aux.
Example:
[ 206.436517] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[ 206.496851] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter
i915 gmbus dpb
[ 206.529782] ------------[ cut here ]------------
[ 206.529787] WARNING: CPU: 3 PID: 24 at lib/list_debug.c:59
__list_del_entry+0xa1/0xd0()
[ 206.529788] list_del corruption. prev->next should be ffff880142da7010, but
was 00d5000000d40000
[ 206.529796] Modules linked in: parport_pc bnep ppdev rfcomm bluetooth lp
parport ext2 dm_crypt e1000e ptp i915 i2c_
algo_bit drm_kms_helper pps_core drm video
[ 206.529798] CPU: 3 PID: 24 Comm: ksoftirqd/3 Not tainted
3.11.0-rc7.1309041757+ #2159
[ 206.529799] Hardware name: Intel Corporation Shark Bay Client
platform/WhiteTip Mountain 1, BIOS HSWLPTU1.86C.0124.
R02.1305030131 05/03/2013
[ 206.529801] 0000000000000009 ffff880147001bc0 ffffffff816195dd
ffff880147001c08
[ 206.529803] ffff880147001bf8 ffffffff81041c92 ffff880142da6fd0
0000000000000286
[ 206.529804] ffffea0004db7200 ffffffff811699e6 0000000000000000
ffff880147001c58
[ 206.529805] Call Trace:
[ 206.529807] [<ffffffff816195dd>] dump_stack+0x54/0x74
[ 206.529810] [<ffffffff81041c92>] warn_slowpath_common+0x82/0xb0
[ 206.529812] [<ffffffff811699e6>] ? __d_free+0x46/0x70
[ 206.529814] [<ffffffff81041d77>] warn_slowpath_fmt+0x47/0x50
[ 206.529815] [<ffffffff811699e6>] ? __d_free+0x46/0x70
[ 206.529817] [<ffffffff812b7801>] __list_del_entry+0xa1/0xd0
[ 206.529819] [<ffffffff8114eb82>] __delete_object+0x32/0xb0
[ 206.529821] [<ffffffff8114f46c>] delete_object_full+0x1c/0x30
[ 206.529824] [<ffffffff8160c4c1>] kmemleak_free+0x21/0x50
[ 206.529827] [<ffffffff81141190>] kmem_cache_free+0x140/0x1a0
[ 206.529828] [<ffffffff811699e6>] __d_free+0x46/0x70
[ 206.529831] [<ffffffff810e1b8a>] rcu_process_callbacks+0x1ea/0x5a0
[ 206.529834] [<ffffffff8104727a>] __do_softirq+0xda/0x1b0
[ 206.529836] [<ffffffff8104737d>] run_ksoftirqd+0x2d/0x60
[ 206.529839] [<ffffffff81070ff6>] smpboot_thread_fn+0x156/0x1f0
[ 206.529840] [<ffffffff81070ea0>] ? lg_global_unlock+0xb0/0xb0
[ 206.529843] [<ffffffff810687d5>] kthread+0xe5/0xf0
[ 206.529845] [<ffffffff810686f0>] ? kthread_create_on_node+0x140/0x140
[ 206.529847] [<ffffffff8162936c>] ret_from_fork+0x7c/0xb0
[ 206.529849] [<ffffffff810686f0>] ? kthread_create_on_node+0x140/0x140
[ 206.529850] ---[ end trace 86de9cb15e206270 ]---
[ 208.249590] [drm:drm_helper_probe_single_connector_modes],
[CONNECTOR:20:HDMI-A-1] disconnected
[ 208.323782] [drm:drm_mode_getconnector], [CONNECTOR:22:?]
[ 208.369864] [drm:drm_helper_probe_single_connector_modes],
[CONNECTOR:22:DP-2]
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