drm-next i915 regression? ( was: Re: PCI resources above 4GB)

Steven Newbury steve at snewbury.org.uk
Fri Apr 13 11:12:47 PDT 2012

Hash: SHA1

On 13/04/12 18:38, Steven Newbury wrote:
> On 13/04/12 17:17, Yinghai Lu wrote:
>>>> Looks like either a btrfs regression or bad interaction with
>>>>  for-pci-res-alloc.  Oops attached.
>>> Just hit the same oops on the rc1+for-pci-res-alloc kernel I 
>>> tried earlier so it's not definitely something new in the
>>> btrfs code.  Seems like it's a 64/32bit pointer issue??
>> for-pci-res-alloc include
>> for-pci-hostbridge-cleanup for-pci-busn-alloc 
>> for-pci-root-bus-hotplug for-pci-for-each-res-addon at plus 7 
>> patches.
>> maybe there is some problem with for-pci-for-each-res-addon.
>> just rebase for-pci-res-alloc to for-pci-root-bus-hotplug. Please
>>  check if the problem still there.
> Still Oopses.  I'm going to try linus/master.  Perhaps it's a 
> filesystem corruption triggering it?  I do find it a little
> suspicious that it occurs in "btrfs:find_workspace" though, code
> which deals with memory allocations...
Damn. It still oopses with my linus tracking branch!  I'm going to
restore from backup and see if it still happens.
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