http://bugzilla.kernel.org/show_bug.cgi?id=10011





------- Comment #72 from [EMAIL PROTECTED]  2008-09-16 10:14 -------
The problem still occurs whith 2.6.27-rc6. Doing echo 1 >
/sys/module/drm/parameters/debug when the problem has occured gives these
messages in dmesg:

irq 6: nobody cared (try booting with the "irqpoll" option)
Pid: 6726, comm: X Not tainted 2.6.27-rc6 #8
 [<c044fd04>] __report_bad_irq+0x24/0x90
 [<e125f9af>] b44_interrupt+0x3f/0x100 [b44]
 [<c044ff9f>] note_interrupt+0x22f/0x260
 [<c044f2e5>] handle_IRQ_event+0x25/0x60
 [<c04508d0>] handle_level_irq+0x0/0xa0
 [<c045094c>] handle_level_irq+0x7c/0xa0
 [<c0405b7f>] do_IRQ+0x6f/0xc0
 [<c0403bf7>] common_interrupt+0x23/0x28
 [<c041ef0e>] __do_softirq+0x2e/0x90
 [<c041eee0>] __do_softirq+0x0/0x90
 [<c0405812>] call_on_stack+0x12/0x20
 [<c041eeb5>] irq_exit+0x45/0x70
 [<c0405b86>] do_IRQ+0x76/0xc0
 [<c0403bf7>] common_interrupt+0x23/0x28
 [<c04d0000>] kobject_release+0x30/0x80
 [<e17463c6>] radeon_do_wait_for_idle+0x86/0x160 [radeon]
 [<e1746d10>] radeon_cp_idle+0x0/0xc0 [radeon]
 [<e1746d10>] radeon_cp_idle+0x0/0xc0 [radeon]
 [<e171031a>] drm_ioctl+0x1ba/0x2f0 [drm]
 [<e1710160>] drm_ioctl+0x0/0x2f0 [drm]
 [<c047f669>] vfs_ioctl+0x69/0x70
 [<c047f6cc>] do_vfs_ioctl+0x5c/0x250
 [<c05bb0c2>] schedule+0x172/0x2b0
 [<c047f8fd>] sys_ioctl+0x3d/0x70
 [<c0403a29>] sysenter_do_call+0x12/0x25
 =======================
handlers:
[<e12b62e0>] (usb_hcd_irq+0x0/0x70 [usbcore])
[<e12b62e0>] (usb_hcd_irq+0x0/0x70 [usbcore])
[<e12b62e0>] (usb_hcd_irq+0x0/0x70 [usbcore])
[<e125f970>] (b44_interrupt+0x0/0x100 [b44])
[<e1753d70>] (radeon_driver_irq_handler+0x0/0x170 [radeon])
Disabling IRQ #6


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