Re: 2.6.9-rc2-mm4 drm and XFree oopses

[Denis Vlasenko]

On Wednesday 29 September 2004 15:28, Dave Airlie wrote:
> It might help if you enabled AGP for your chipset, you have no agp
> compiled in for your Intel motherboard, you need intel agp chipset
> support..

However kernel shouldn't use using smp_processor_id() in preemptible
regions, with or without Intel AGP support compuled in.
 
> > Sep 29 12:03:07 zmei kernel: [drm:radeon_cp_init] *ERROR* radeon_cp_init called without lock held
> > Sep 29 12:03:07 zmei kernel: [drm:radeon_unlock] *ERROR* Process 2807 using kernel context 0
> > Sep 29 12:03:07 zmei kernel: using smp_processor_id() in preemptible code: XFree86/2807
> > Sep 29 12:03:07 zmei kernel:  [dump_stack+23/27] dump_stack+0x17/0x1b
> > Sep 29 12:03:07 zmei kernel:  [smp_processor_id+146/152] smp_processor_id+0x92/0x98
> > Sep 29 12:03:07 zmei kernel:  [add_timer_randomness+274/313] add_timer_randomness+0x112/0x139
> > Sep 29 12:03:07 zmei kernel:  [input_event+72/940] input_event+0x48/0x3ac
> > Sep 29 12:03:07 zmei kernel:  [kbd_rate+76/156] kbd_rate+0x4c/0x9c
> > Sep 29 12:03:07 zmei kernel:  [vt_ioctl+3430/6535] vt_ioctl+0xd66/0x1987
> > Sep 29 12:03:07 zmei kernel:  [tty_ioctl+874/1075] tty_ioctl+0x36a/0x433
> > Sep 29 12:03:07 zmei kernel:  [sys_ioctl+196/511] sys_ioctl+0xc4/0x1ff
> > Sep 29 12:03:07 zmei kernel:  [syscall_call+7/11] syscall_call+0x7/0xb
> > Sep 29 12:03:07 zmei kernel: using smp_processor_id() in preemptible code: XFree86/2807
> > Sep 29 12:03:07 zmei kernel:  [dump_stack+23/27] dump_stack+0x17/0x1b
> > Sep 29 12:03:07 zmei kernel:  [smp_processor_id+146/152] smp_processor_id+0x92/0x98
> > Sep 29 12:03:07 zmei kernel:  [add_timer_randomness+274/313] add_timer_randomness+0x112/0x139
> > Sep 29 12:03:07 zmei kernel:  [input_event+72/940] input_event+0x48/0x3ac
> > Sep 29 12:03:07 zmei kernel:  [kbd_rate+103/156] kbd_rate+0x67/0x9c
> > Sep 29 12:03:07 zmei kernel:  [vt_ioctl+3430/6535] vt_ioctl+0xd66/0x1987
> > Sep 29 12:03:07 zmei kernel:  [tty_ioctl+874/1075] tty_ioctl+0x36a/0x433
> > Sep 29 12:03:07 zmei kernel:  [sys_ioctl+196/511] sys_ioctl+0xc4/0x1ff
> > Sep 29 12:03:07 zmei kernel:  [syscall_call+7/11] syscall_call+0x7/0xb
--
vda

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