abrt version: 2.0.3
architecture:   i686
cmdline:        ro root=UUID=e0e1e882-22a4-44c9-b060-1263325155fd SYSFONT=latarcyrheb-sun16 LANG=en_US.UTF-8 KEYTABLE=dk-latin1 vga=0×318
comment:        Also see https://bugzilla.redhat.com/show_bug.cgi?id=717839
component:      kernel
kernel:         2.6.38.8-32.fc15.i686
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         [993574.225130] BUG: sleeping function called from invalid context at kernel/mutex.c:85
time:           Thu Jun 30 06:23:01 2011

backtrace:
:[993574.225130] BUG: sleeping function called from invalid context at kernel/mutex.c:85
:[993574.225145] in_atomic(): 0, irqs_disabled(): 1, pid: 9316, name: Xorg
:[993574.225157] Pid: 9316, comm: Xorg Not tainted 2.6.38.8-32.fc15.i686 #1
:[993574.225163] Call Trace:
:[993574.225189]  [<c07ced36>] ? printk+0x2d/0x2f
:[993574.225203]  [<c042e5fa>] __might_sleep+0xdd/0xe4
:[993574.225215]  [<c07d598c>] mutex_lock+0x1d/0x3c
:[993574.225350]  [<f7a04907>] drm_gem_object_unreference_unlocked+0x1d/0x34 [radeon]
:[993574.225438]  [<f7a04e59>] radeon_crtc_page_flip+0x455/0x479 [radeon]
:[993574.225465]  [<c07d139a>] ? __slab_alloc.constprop.21+0x2c/0x1c7
:[993574.225527]  [<f78b2b96>] ? drm_mode_page_flip_ioctl+0xe7/0x195 [drm]
:[993574.225577]  [<f78b2c02>] drm_mode_page_flip_ioctl+0x153/0x195 [drm]
:[993574.225620]  [<f78a73bb>] drm_ioctl+0x2a4/0x38a [drm]
:[993574.225676]  [<f78b2aaf>] ? drm_mode_page_flip_ioctl+0x0/0x195 [drm]
:[993574.225695]  [<c0593cf8>] ? file_has_perm+0x9a/0xb3
:[993574.225736]  [<f78a7117>] ? drm_ioctl+0x0/0x38a [drm]
:[993574.225747]  [<c04f0a5d>] do_vfs_ioctl+0x451/0x482
:[993574.225757]  [<c0593f69>] ? selinux_file_ioctl+0x39/0x3c
:[993574.225764]  [<c04f0ad6>] sys_ioctl+0x48/0x6a
:[993574.225773]  [<c07d68cc>] syscall_call+0x7/0xb