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SubjectRe: 2.6.19-rc3: known unfixed regressions (v3)
Quoting r. Linus Torvalds <>:
> Subject: Re: 2.6.19-rc3: known unfixed regressions (v3)
> On Mon, 30 Oct 2006, Jun'ichi Nomura wrote:
> >
> > Please revert the patch. I'll fix the wrong error handling.
> >
> > I'm not sure reverting the patch solves the ACPI problem
> > because Michael's kernel seems not having any user of
> > bd_claim_by_kobject.
> Yeah, doing a grep does seem to imply that there is no way that those
> changes could matter.
> Michael, can you double-check? I think Jun'ichi is right - in your kernel,
> according to the config posted on bugzilla, I don't think there should be
> a single caller of bd_claim_by_disk, since CONFIG_MD is disabled.

I double-checked, and of course you are right - the issues resurfaced after some
more use, even with the patch reverted. I've written some scripts that do some
compiles from scratch, and suspend/resume several times. Plan to try bi-secting
with that and see what that will come up with.

OTOH, from the discussion it seems just randomly pointing a finger at a patch
has uncovered some bugs - so maybe we should do this a bit more :)

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