Re: Regression 2.6.28-git: suspend/resume failure. git bisected to usb suspend/resume patch

From: Rafael J. Wysocki
Date: Mon Jan 12 2009 - 07:42:24 EST


On Monday 12 January 2009, Rafael J. Wysocki wrote:
> On Sunday 11 January 2009, Christian Borntraeger wrote:
> > Hello Alan,
> >
> > git bisect found this patch
> >
> > a0d4922da2e4ccb0973095d8d29f36f6b1b5f703 is first bad commit
> > commit a0d4922da2e4ccb0973095d8d29f36f6b1b5f703
> > Author: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> > Date: Wed Dec 17 15:06:03 2008 -0500
> >
> > USB: fix up suspend and resume for PCI host controllers
> >
> > This patch (as1192) rearranges the USB PCI host controller suspend and
> > resume and resume routines:
> >
> >
> > To cause my suspend to ram problem with my Thinkpad T61p.
> > I can confirm that
> > a81a81a25d3ecdab777abca87c5ddf484056103d works
> > and a0d4922da2e4ccb0973095d8d29f36f6b1b5f703 does not work.
> >
> > Thing is, 29-rc1 with a0d4922da2e4ccb0973095d8d29f36f6b1b5f703 reverted also
> > fails with suspend/resume. Seems that there was another problem introduced
> > after that patch.
>
> Please try if suspend-resume works for you if you make commit
> fa58d305d9925b01830e535896a7227a868a9e15
> (PCI PM: Add suspend counterpart of pci_reenable_device) the head of your
> tree ('git checkout -b test-branch fa58d305d9925b01830e535896a7227a868a9e15').
>
> If it does, please check the same for commit
> 571ff7584bb9e05fca0eb79752ae55a46faf3a98
> (PCI PM: Power-manage devices without drivers during suspend-resume).

Ah, please do the above with the USB commit
a0d4922da2e4ccb0973095d8d29f36f6b1b5f703 reverted.

Thanks,
Rafael
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