[Bug 59219] New: [radeon BUG] Sleeping function called from invalid context

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59219

          Priority: medium
            Bug ID: 59219
          Assignee: dri-devel at lists.freedesktop.org
           Summary: [radeon BUG] Sleeping function called from invalid
                    context
          Severity: minor
    Classification: Unclassified
                OS: Linux (All)
          Reporter: ebiggers3 at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

Created attachment 72816
  --> https://bugs.freedesktop.org/attachment.cgi?id=72816&action=edit
dmesg output showing 2 instances of radeon BUG during resume

I am running linux-3.8-rc3 on AMD64 with various debugging options enabled,
including CONFIG_DEBUG_SLAB.  When resuming the system from suspend-to-memory,
I run into a warning and stacktrace regarding kmem_cache_alloc() being called
from an invalid context in ttm_bo_move_accel_cleanup().  dmesg output attached.
 Marked as minor because suspend still works properly (at least the times I've
tried it).

Based on the source code and object file it appears that the memory allocation
is actually the kzalloc() at the beginning of ttm_buffer_object_transfer().

Graphics card is:

01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RS880M
[Mobility Radeon HD 4200 Series]

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