Re: i915_do_wait_request BUG: unable to handle kernel NULL pointer dereference at (null)

From: Zdenek Kabelac
Date: Fri Apr 23 2010 - 15:53:24 EST


2010/4/23 Toralf Förster <toralf.foerster@xxxxxx>:
>
> Jesse Barnes wrote at 18:08:57
>> On Fri, 23 Apr 2010 12:24:25 +0200
>>
>> Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx> wrote:
>> > Hi
>> >
>> > Just tried to boot current vanilla upstream kernel - and got pretty ugly
>> > oops. Here is serial console catch after X-startup:
>> >
>> >
>> > BUG: unable to handle kernel NULL pointer dereference at (null)
>> > IP: [<ffffffffa035de81>] i915_do_wait_request+0x101/0x4f0 [i915]
>> > PGD 139649067 PUD 133b5a067 PMD 0
>> > Oops: 0000 [#1] PREEMPT SMP
>> > last sysfs file:
>> > /sys/devices/virtual/backlight/acpi_video0/actual_brightness CPU 0
>> > Modules linked in: xt_tcpudp bridge stp llc autofs4 sunrpc ipv6
>> > ipt_REJECT xt_physdev xt_state ]
>>
>> Here's the fix I'm testing now.
> works fine here for the ThinkPAd T400.
> Thx.
>
>

Tested-by: Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>
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