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

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@xxxxxx>
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).

Thanks,
Carlos
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