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SubjectRe: [Bug #10117] 2.6.25-current-git sometimes hangs on boot - dual-core Sony Vaio
Date
On Tuesday, 15 of April 2008, Adrian Bunk wrote:
> On Tue, Apr 15, 2008 at 10:33:38PM +0200, Rafael J. Wysocki wrote:
> > On Tuesday, 15 of April 2008, Carlos R. Mafra wrote:
> > > On Sun 13.Apr'08 at 17:25:45 -0300, Carlos R. Mafra wrote:
> > > > On Sun 13.Apr'08 at 20:56:41 +0200, Rafael J. Wysocki wrote:
> > > > > This message has been generated automatically as a part of a report
> > > > > of recent regressions.
> > > > >
> > > > > The following bug entry is on the current list of known regressions
> > > > > from 2.6.24. Please verify if it still should be listed.
> > > > >
> > > > >
> > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=10117
> > > > > Subject : 2.6.25-current-git sometimes hangs on boot - dual-core Sony Vaio
> > > > > Submitter : Soeren Sonnenburg <kernel@nn7.de>
> > > > > Date : 2008-02-23 18:55 (51 days old)
> > > > > References : http://lkml.org/lkml/2008/2/23/263
> > > > > http://lkml.org/lkml/2008/4/4/41
> > > > > http://lkml.org/lkml/2008/4/9/69
> > > >
> > > > Soeren said it no longer happens to him in http://lkml.org/lkml/2008/4/9/53
> > > > but unfortunately it still happens with me using -rc9. So I kidnapped his
> > > > bugzilla report :-)
> > > >
> > > > In the bugzilla entry I said earlier today that "hpet=disable" apparently
> > > > makes the problem go away (42 boots OK so far, whereas without this
> > > > boot option it hangs ~90% using vga=6 and ~10% using vga=0x0364)
> > > >
> > > > I tried to bisect it, but sometimes in pre 2.6.25-rc1 kernels it takes
> > > > 30 boots before the first hang to occur. So bisection is not reliable...
> > > >
> > > > If someone proposes a patch I will be glad to test it!
> > > >
> > > > PS: The similar bug in buzilla 10377 also appears to be "fixed"
> > > > by using hpet=disable, see comment #17 in that bug.
> > >
> > >
> > > From what Mark Lord said in his comments #33 to #35 in
> > > http://bugzilla.kernel.org/show_bug.cgi?id=10117
> > > it appears that this is a much older regression, from april 2007.
> > >
> > > So this is a regression, but not from 2.6.24 (although somehow
> > > it never hit me before). I don't know about the policy of closing
> > > regressions that come from way before the previous kernel version,
> > > if there is any. Then I will let you manage the bugzilla #10117
> > > as you see fit (but I will be "there" to hopefuly test any
> > > proposed patches).
> >
> > I dropped the bug from the list of recent regressions, so it doesn't block
> > bug #9832 any more. However, this still is a bug and regression, so the
> > bugzilla entry remains open.
>
> Soerens original report was a 2.6.25 regression.
>
> And #10377 that was closed as a duplicate of #10117 was also reported as
> a 2.6.25 regression.
>
> #10117 seems to suffer from the common disease of people hijacking an
> existing bug, but Soeren's issue that was what was originally tracked in
> #10117 is (or was) a 2.6.25 regression.

Well, I'm really not 100% sure it was a regression from 2.6.24 and I'm not
sure bug #10377 should have been marked as a duplicate.

I made bug #10117 block bug #9832 again, but it would be nice to sort this out.

Why do we think that the cause of bugs #10117 and #10377 is the same?

Rafael


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