From: Grant Grundler <grundler@parisc-linux.org>
To: Kurt Fitzner <kfitzner@excelcia.org>
Cc: parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] Machine hanging during high-traffic NFS
Date: Thu, 21 Jul 2005 21:55:18 -0600 [thread overview]
Message-ID: <20050722035518.GC29339@colo.lackof.org> (raw)
In-Reply-To: <42E03DFA.6040808@excelcia.org>
On Thu, Jul 21, 2005 at 06:29:46PM -0600, Kurt Fitzner wrote:
> John David Anglin wrote:
>
> > I know that 32-bit 2.6.10 isn't stable on my c3k. There is a known
> > bug with kernel memcpy and fpregs.
>
> Well, as far as the bug I am reporting goes, so far I have narrowed it
> down to a kernel later than 2.6.10-pa11 and before 2.6.11-pa4. It
> appears that whatever went into 2.6.10 isn't to blame.
Ok...If you were to try one more kernel, could it be 2.6.11-pa1?
> It looks like the interrupt storm theory is best. The functions I get
> from the TOC data this time are:
>
> GRO2 0x101060e0 handle_interruption+6c
> IOAQ 0x101120dc handle_unaligned+2c0
yes, seems like it's likely too.
> I am curious, though. This time when it hung the hearbeat didn't stop.
> Does this mean that it didn't hang as solid as the other times?
that would be my guess too.
> Are
> interrupts still being handled at some kernel level if the heartbeat LED
> is flashing normally?
yes
> If this is the case, then this means the TOC data
> may be useless this time around, right?
Not necessarily. The TOC data may still be useful
for register state.
grant
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next prev parent reply other threads:[~2005-07-22 3:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-19 21:02 [parisc-linux] Machine hanging during high-traffic NFS Kurt Fitzner
2005-07-19 23:36 ` Michael S. Zick
2005-07-20 1:04 ` Kyle McMartin
2005-07-20 3:31 ` John David Anglin
2005-07-20 2:57 ` Thibaut VARENE
2005-07-20 14:56 ` Matthew Wilcox
2005-07-20 6:59 ` Kurt Fitzner
2005-07-20 16:40 ` Grant Grundler
2005-07-21 7:42 ` Kurt Fitzner
2005-07-21 12:36 ` Grant Grundler
2005-07-21 23:28 ` John David Anglin
2005-07-22 0:29 ` Kurt Fitzner
2005-07-22 3:55 ` Grant Grundler [this message]
2005-07-21 16:04 ` Kyle McMartin
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