From: Lin Ming <ming.m.lin@intel.com>
To: "maciej.rutecki@gmail.com" <maciej.rutecki@gmail.com>
Cc: Keith Packard <keithp@keithp.com>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: i915_gem_inactive_shrink fault
Date: Mon, 11 Jul 2011 08:39:22 +0800 [thread overview]
Message-ID: <1310344762.18875.194.camel@minggr.sh.intel.com> (raw)
In-Reply-To: <201107101710.23262.maciej.rutecki@gmail.com>
On Sun, 2011-07-10 at 23:10 +0800, Maciej Rutecki wrote:
> On wtorek, 5 lipca 2011 o 10:59:24 Lin Ming wrote:
> > It seems i915 driver loads fail.
> >
> > mlin@wsm:~$ dmesg |grep -i i915
> > i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
> > i915 0000:00:02.0: setting latency timer to 64
> > i915 0000:00:02.0: irq 47 for MSI/MSI-X
> > WARNING: at /linux-2.6/drivers/gpu/drm/i915/intel_display.c:826
> > assert_fdi_tx+0xcc/0xd8() [<ffffffff8133d865>]
> > i915_driver_load+0xb12/0x10e9
> > [<ffffffff816a891a>] i915_pci_probe+0x1b/0x1d
> > [<ffffffff81d12264>] i915_init+0x8b/0x8d
> > WARNING: at /linux-2.6/drivers/gpu/drm/i915/intel_display.c:826
> > assert_fdi_tx+0xcc/0xd8() [<ffffffff8133d865>]
> > i915_driver_load+0xb12/0x10e9
> > [<ffffffff816a891a>] i915_pci_probe+0x1b/0x1d
> > [<ffffffff81d12264>] i915_init+0x8b/0x8d
> > [drm:i915_driver_load] *ERROR* failed to init modeset
> > i915 0000:00:02.0: PCI INT A disabled
> > i915: probe of 0000:00:02.0 failed with error -5
> > [<ffffffff81355191>] i915_gem_inactive_shrink+0x2b/0x18d
> >
> >
> > The fault message as below.
> > See the attachments for full dmesg, kernel config and lspci output.
> >
> > BUG: unable to handle kernel NULL pointer dereference at 0000000000000060
> > IP: [<ffffffff816d4422>] mutex_trylock+0x61/0x131
> > PGD 133cd5067 PUD 134301067 PMD 0
> > Oops: 0002 [#1] SMP
> > CPU 3
> > Modules linked in:
> >
> > Pid: 2322, comm: bash Tainted: G W 3.0.0-rc6-tip-mlin+ #571 Intel
>
> Older kernels work fine?
No, 2.6.39 faults also.
Forgot to mention that what I run was
"echo 3 > /proc/sys/vm/drop_caches".
>
> Regards
next prev parent reply other threads:[~2011-07-11 0:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-05 8:59 i915_gem_inactive_shrink fault Lin Ming
2011-07-10 15:10 ` Maciej Rutecki
2011-07-11 0:39 ` Lin Ming [this message]
2011-07-10 20:27 ` Keith Packard
2011-07-11 1:14 ` Lin Ming
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