From: Meelis Roos <mroos@linux.ee>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
linux-scsi@vger.kernel.org
Subject: Re: panic while doing lots of IO on lpfc
Date: Thu, 9 Oct 2008 17:39:50 +0300 (EEST) [thread overview]
Message-ID: <Pine.SOC.4.64.0810091737430.5106@math.ut.ee> (raw)
In-Reply-To: <200810101233.18726.nickpiggin@yahoo.com.au>
> > Bad page state in process 'dd'
> > page:ffffe200005130c0 flags:0x4000000000000009 mapping:0000000000000000
> > mapcount:0 count:0
> > Trying to fix it up, but a reboot is needed
>
> Tried to lock a free page. Is the address of the page always the same,
> and the first bit in flags always set after each reboot? Does the
> machine pass a memtest?
The machine has worked transporting lots of data and compiling many
kernels a week, but I haven't done a memtest in more than a year.
The messages have scrolled away in other cases.
> It could be that someone actually tried to lock the page, though...
> You could try putting a BUG_ON(!page_count(page)) at the start of
> the trylock_page function.
>
> Some more messages might provide more clues.
Will try netconsole after haveing finished the same test with Qlogic
HBA.
--
Meelis Roos (mroos@linux.ee)
next prev parent reply other threads:[~2008-10-09 14:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-09 14:24 Meelis Roos
2008-10-10 1:33 ` Nick Piggin
2008-10-09 14:39 ` Meelis Roos [this message]
2008-10-09 15:06 ` Meelis Roos
2008-10-09 16:21 ` Meelis Roos
2008-10-10 3:01 ` Nick Piggin
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