Bug#589690: linux-image-2.6.35-rc5-amd64: The Kernel panics on starting X using latest xorg-intel driver

[Jonathan Nieder <jrnieder@gmail.com>]

Hi,

martin wrote:

> The Kernel panics on starting X
[...]
> I'm using the _latest_ intel driver:
> context: http://ikibiki.org/blog/2010/07/04/We_need_you_redux/
[...]
> 2.12.0-1+ickle2
> Hardware: 965GM on a Sony SZ680
[...]
> [   23.000937] BUG: unable to handle kernel NULL pointer dereference at (null)
> [   23.000947] IP: [<(null)>] (null)
> [   23.000954] PGD 13de10067 PUD 13be07067 PMD 0 
> [   23.000965] Oops: 0010 [#1] SMP 
> [   23.000972] last sysfs file: /sys/devices/virtual/backlight/acpi_video0/brightness
[...]
> [   23.001009] Call Trace:
> [   23.001009]  [<ffffffffa017c6b6>] ? i915_irq_emit+0x18a/0x1e5 [i915]
> [   23.001009]  [<ffffffff81300e45>] ? _lock_kernel+0x58/0x8f
> [   23.001009]  [<ffffffffa02723ab>] ? drm_ioctl+0x258/0x32d [drm]
> [   23.001009]  [<ffffffff81052de6>] ? signal_wake_up+0x20/0x2f
> [   23.001009]  [<ffffffff81053185>] ? __send_signal+0x260/0x284
> [   23.001009]  [<ffffffff810f3dc6>] ? vfs_ioctl+0x23/0x93
> [   23.001009]  [<ffffffff810f4657>] ? do_vfs_ioctl+0x45d/0x497
> [   23.001009]  [<ffffffff81303e2d>] ? do_page_fault+0x28c/0x2ce
> [   23.001009]  [<ffffffff810f46dc>] ? sys_ioctl+0x4b/0x6f
> [   23.001009]  [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b

Chris Wilson says it was fixed by two commits included in 2.6.38-rc5
(see the upstream report).  Can you confirm that, for example by
testing with a kernel from testing or sid?

Thanks for reporting it.
Jonathan