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SubjectRe: linux-next: Tree for Sept 11 (drm related: boot problems on amd64)
On Tue, Sep 11, 2012 at 4:04 PM, Sedat Dilek <sedat.dilek@gmail.com> wrote:
> On Tue, Sep 11, 2012 at 8:29 PM, Sedat Dilek <sedat.dilek@gmail.com> wrote:
>> On Tue, Sep 11, 2012 at 8:12 PM, Sedat Dilek <sedat.dilek@gmail.com> wrote:
>>> On Tue, Sep 11, 2012 at 8:31 AM, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>>>> Hi all,
>>>>
>>>> Changes since 201209010:
>>>>
>>>> New tree: ixp4xx
>>>>
>>>> The pci tree gained a build failure so I used the version from
>>>> next-20120910.
>>>>
>>>> The regulator tree lost its build failure.
>>>>
>>>> The staging tree lost its build failure.
>>>>
>>>> The akpm tree lost a few patches that turned up elsewhere.
>>>>
>>>> ----------------------------------------------------------------------------
>>>>
>>>
>>> Hi,
>>>
>>> today's and yesterday's Linux-Next is broken for me again.
>>> I tried with systemd and upstart on Ubuntu/precise, with nomodeset and
>>> rescue boot-option.
>>>
>>> With rescue boot-option I see this in my logs (Intel sandy-bridge
>>> ultrabook here):
>>>
>>> Sep 11 18:43:36 fambox kernel: [ 9.654972] [drm:drm_pci_agp_init]
>>> *ERROR* Cannot initialize the agpgart module.
>>> Sep 11 18:43:36 fambox kernel: [ 9.654980] DRM: Fill_in_dev failed.
>>>
>>> I have not checked any MLs... coming from hospital right now.
>>>
>>
>> More ERRORs:
>>
>> # grep -A1 "ERROR" /var/log/kern.log
>> Sep 10 17:51:29 fambox kernel: [ 10.205818]
>> [drm:i915_get_bridge_dev] *ERROR* bridge device not found
>> Sep 10 17:51:29 fambox kernel: [ 10.206055] i915: probe of
>> 0000:00:02.0 failed with error -5
>> --
>> Sep 10 15:53:00 fambox kernel: [ 10.500387]
>> [drm:i915_get_bridge_dev] *ERROR* bridge device not found
>> Sep 10 15:53:00 fambox kernel: [ 10.500602] i915: probe of
>> 0000:00:02.0 failed with error -5
>> --
>> Sep 11 20:41:01 fambox kernel: [ 9.636010]
>> [drm:i915_get_bridge_dev] *ERROR* bridge device not found
>> Sep 11 20:41:01 fambox kernel: [ 9.636202] i915: probe of
>> 0000:00:02.0 failed with error -5
>> --
>> Sep 11 18:42:18 fambox kernel: [ 10.132229]
>> [drm:i915_get_bridge_dev] *ERROR* bridge device not found
>> Sep 11 18:42:18 fambox kernel: [ 10.132433] i915: probe of
>> 0000:00:02.0 failed with error -5
>> --
>> Sep 11 18:43:36 fambox kernel: [ 9.654972] [drm:drm_pci_agp_init]
>> *ERROR* Cannot initialize the agpgart module.
>> Sep 11 18:43:36 fambox kernel: [ 9.654980] DRM: Fill_in_dev failed.
>> --
>> Sep 11 19:52:10 fambox kernel: [ 9.545562]
>> [drm:i915_get_bridge_dev] *ERROR* bridge device not found
>> Sep 11 19:52:10 fambox kernel: [ 9.545798] i915: probe of
>> 0000:00:02.0 failed with error -5
>> --
>> Sep 11 20:04:09 fambox kernel: [ 9.798233]
>> [drm:i915_get_bridge_dev] *ERROR* bridge device not found
>> Sep 11 20:04:09 fambox kernel: [ 9.798557] i915: probe of
>> 0000:00:02.0 failed with error -5
>>
>
> [ CC Bjorn (pci maintainer) ]
>
> I pulled in pci.git#next up to commit
> 9c33332178e6ba49fe48c468edc08ad94b53e1b1 ("Merge branch
> 'pci/gavin-window-alignment' into next") on top of next-20120911.
> This lets my machine boot, but freezes somewhere else.

We had a PCI bug in an earlier version of this patch:
http://git.kernel.org/?p=linux/kernel/git/helgaas/pci.git;a=commitdiff;h=b9443f401bb20ae6414e3e68bca0413bad28b689
that caused lspci to fail.

I suspect this also caused the issue you saw. We've since fixed it,
but let me know if you see a PCI-related issue again.

Bjorn


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