Re: [Bug #10117] 2.6.25-current-git sometimes hangs on boot - dual-core Sony Vaio

["Rafael J. Wysocki" <rjw@sisk.pl>]

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.

Thanks,
Rafael