RE: [Bug #10117] 2.6.25-current-git sometimes hangs on boot - dual-core Sony Vaio
- From: Soeren Sonnenburg <kernel@xxxxxx>
- Date: Tue, 15 Apr 2008 21:36:06 +0000
On Tue, 2008-04-15 at 14:33 -0700, Pallipadi, Venkatesh wrote:
-----Original Message-----
From: Rafael J. Wysocki [mailto:rjw@xxxxxxx]
Sent: Tuesday, April 15, 2008 2:24 PM
To: Soeren Sonnenburg
Cc: Pallipadi, Venkatesh; Adrian Bunk; Carlos R. Mafra; Linux
Kernel Mailing List
Subject: Re: [Bug #10117] 2.6.25-current-git sometimes hangs
on boot - dual-core Sony Vaio
On Tuesday, 15 of April 2008, Soeren Sonnenburg wrote:
On Tue, 2008-04-15 at 14:09 -0700, Pallipadi, Venkatesh wrote:Wysocki wrote:
-----Original Message-----
From: Rafael J. Wysocki [mailto:rjw@xxxxxxx]
Sent: Tuesday, April 15, 2008 2:04 PM
To: Adrian Bunk
Cc: Carlos R. Mafra; Linux Kernel Mailing List; Soeren
Sonnenburg; Pallipadi, Venkatesh
Subject: Re: [Bug #10117] 2.6.25-current-git sometimes hangs
on boot - dual-core Sony Vaio
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.
be listed.part of a reportThis message has been generated automatically as a
known regressionsof recent regressions.
The following bug entry is on the current list of
from 2.6.24. Please verify if it still should
to be "fixed"http://bugzilla.kernel.org/show_bug.cgi?id=10117
Bug-Entry :
hangs on boot - dual-core Sony VaioSubject : 2.6.25-current-git sometimes
http://lkml.org/lkml/2008/4/9/53Submitter : 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
So I kidnapped hisbut unfortunately it still happens with me using -rc9.
"hpet=disable" apparentlybugzilla report :-)
In the bugzilla entry I said earlier today that
without thismakes the problem go away (42 boots OK so far, whereas
vga=0x0364)boot option it hangs ~90% using vga=6 and ~10% using
kernels it takes
I tried to bisect it, but sometimes in pre 2.6.25-rc1
is not reliable...30 boots before the first hang to occur. So bisection
If someone proposes a patch I will be glad to test it!
PS: The similar bug in buzilla 10377 also appears
from april 2007.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,
(although somehow
So this is a regression, but not from 2.6.24
policy of closingit never hit me before). I don't know about the
bugzilla #10117kernel version,regressions that come from way before the previous
if there is any. Then I will let you manage the
is the same?it doesn't blockas 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
regression, so thebug #9832 any more. However, this still is a bug and
reported asbugzilla entry remains open.
Soerens original report was a 2.6.25 regression.
And #10377 that was closed as a duplicate of #10117 was also
a 2.6.25 regression.hijacking an
#10117 seems to suffer from the common disease of people
existing bug, but Soeren's issue that was what wasoriginally 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
during boot
Rafael
Both of them probabilistically hang early in the boot.
On both !CPUIDLE and hpet=disable seems to be working around the
problem.
Both are Core 2 Duo based with 64 bit kernel.
One difference I saw was that #10377 fails on battery. That may be
because when on battery CPUs may be running at lower freq
and that is probably helping this problem in terms of timing.
FWIW, this macbook pro1,1 has only a core 1 duo, so x86 == 32bit...
So I think we should leave bug #10117 to track the original
issue (hangs on
MacBook Pro1.1 w/ Intel Core Duo x86-32), reopen bug #10377
and use that
to track the Core 2 Duo 64-bit issues.
Any objections to that?
Last I heard from Soeren, this was not reproducable on 32 bit any more.
All recent updates on #10117 from Carlos is on Core-2 Duo 64 bit. If the
problem is still reproducable on 32 bit then probably having 2 bugzillas
to track is fine with me.
I couldn't reproduce this one any longer...
Soeren
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