Description:
fglrx, catalyst 10.5 fails sometimes and bring me back to login screen....

this occurs sometimes for no reason, when i try to play movie with gxine.



Additional info:
* package version(s)
* config and/or log files etc.

here is the output:
root#uname -a
Linux poison3 2.6.34-ARCH #1 SMP PREEMPT Mon Jul 5 22:12:11 CEST 2010 x86_64 Intel(R) Core(TM)2 Duo CPU P8600 @ 2.40GHz GenuineIntel GNU/Linux



root#dmesg
.............
..........
[fglrx] IRQ 34 Disabled
BUG: scheduling while atomic: X/2022/0x00000002
Modules linked in: bsd_comp ppp_synctty ppp_async crc_ccitt ppp_generic slhc hidp ipv6 rfcomm sco bridge stp llc bnep l2cap btusb bluetooth usbhid hid uvcvideo snd_hda_codec_atihdmi videodev v4l1_compat v4l2_compat_ioctl32 snd_hda_codec_idt fglrx(P) arc4 snd_hda_intel snd_hda_codec snd_seq_dummy joydev radeon ttm drm_kms_helper snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss sdhci_pci sdhci ecb mmc_core snd_mixer_oss snd_hwdep drm snd_pcm snd_timer snd i2c_i801 iwlagn rtc_cmos firewire_ohci iwlcore video uhci_hcd ehci_hcd mac80211 psmouse tg3 iTCO_wdt tpm_tis dell_laptop dell_wmi rtc_core i2c_algo_bit soundcore firewire_core usbcore tpm pcspkr snd_page_alloc output led_class processor button battery i2c_core rtc_lib ac iTCO_vendor_support dcdbas wmi crc_itu_t intel_agp thermal serio_raw libphy cfg80211 tpm_bios evdev sg rfkill ext4 mbcache jbd2 crc16 sd_mod sr_mod cdrom ahci libata scsi_mod
Pid: 2022, comm: X Tainted: P 2.6.34-ARCH #1
Call Trace:
[<ffffffff81041881>] __schedule_bug+0x61/0x70
[<ffffffff813615f3>] schedule+0x593/0x810
[<ffffffff8103b089>] ? __wake_up_common+0x59/0x90
[<ffffffff81071cbb>] ? prepare_to_wait+0x5b/0x90
[<ffffffffa04e11d9>] KAS_Thread_WaitForFinish+0x89/0xc0 [fglrx]
[<ffffffff81071a20>] ? autoremove_wake_function+0x0/0x40
[<ffffffffa04f7837>] MCIL_WorkerThread+0x177/0x230 [fglrx]
[<ffffffffa04f9006>] ? MCIL_GetExecutionLevel+0x66/0x80 [fglrx]
[<ffffffffa059ead1>] ? PassiveRing_Cleanup+0x61/0xc0 [fglrx]
[<ffffffff810b0dc7>] ? free_irq+0x47/0x80
[<ffffffffa059e120>] ? IRQMGR_FreeResources+0x20/0x60 [fglrx]
[<ffffffffa04fa1cc>] ? irqmgr_wrap_shutdown+0x12c/0x180 [fglrx]
[<ffffffffa04ec3fe>] ? firegl_takedown+0x7de/0x880 [fglrx]
[<ffffffffa05b1662>] ? amdPcsEngine_InitDatabase+0x12/0x20 [fglrx]
[<ffffffffa04eb515>] ? firegl_release+0x125/0x1c0 [fglrx]
[<ffffffffa04dd4ec>] ? ip_firegl_release+0xc/0x10 [fglrx]
[<ffffffff811234da>] ? __fput+0xda/0x1f0
[<ffffffff8112360d>] ? fput+0x1d/0x30
[<ffffffff8111fb3b>] ? filp_close+0x5b/0x80
[<ffffffff810553e8>] ? put_files_struct+0xa8/0x150
[<ffffffff8105554d>] ? exit_files+0x4d/0x60
[<ffffffff810559f8>] ? do_exit+0x178/0x890
[<ffffffff81064ac6>] ? __dequeue_signal+0x106/0x200
[<ffffffff8105639d>] ? do_group_exit+0x4d/0xb0
[<ffffffff81067672>] ? get_signal_to_deliver+0x2d2/0x520
[<ffffffff810091b0>] ? do_signal+0x70/0x7b0
[<ffffffff8106699b>] ? do_send_sig_info+0x6b/0x90
[<ffffffff81063606>] ? recalc_sigpending+0x16/0x40
[<ffffffff81064187>] ? sigprocmask+0x87/0x100
[<ffffffff81067a9f>] ? sys_rt_sigprocmask+0x7f/0x120
[<ffffffff81063606>] ? recalc_sigpending+0x16/0x40
[<ffffffff81009975>] ? do_notify_resume+0x65/0x80
[<ffffffff81067a9f>] ? sys_rt_sigprocmask+0x7f/0x120
[<ffffffff8100a18e>] ? int_signal+0x12/0x17
fglrx_pci 0000:01:00.0: irq 34 for MSI/MSI-X
[fglrx] Firegl kernel thread PID: 2724
[fglrx] IRQ 34 Enabled
[fglrx] Gart USWC size:1236 M.
[fglrx] Gart cacheable size:490 M.
[fglrx] Reserved FB block: Shared offset:0, size:1000000
[fglrx] Reserved FB block: Unshared offset:fc21000, size:3df000
[fglrx] Reserved FB block: Unshared offset:1fffb000, size:5000
ata1.00: configured for UDMA/133
ata1: EH complete
hda-intel: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj.
ata1.00: configured for UDMA/133
ata1: EH complete


Steps to reproduce:

play video using gxine, and somethime for no reason.