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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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  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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