From: Randolph Chung <randolph@tausq.org>
To: Grant Grundler <grundler@parisc-linux.org>
Cc: parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] [BUG] PDC stable storage broken on 2.6.13-rc3-pa1
Date: Fri, 05 Aug 2005 18:25:58 +0800 [thread overview]
Message-ID: <42F33EB6.5060006@tausq.org> (raw)
In-Reply-To: <20050803183614.GB16029@colo.lackof.org>
> PDC stable storage driver panics/hpmc's most/all parisc boxen
> with the current 2.6.13-rc3-pa1 kernels.
>
> Here is the backtrace and console output for c3000.
> I won't be able to chase this today.
> Maybe this weekend if no one else gets to it first.
I think that the problem is that we have an infinite recursion that is
trashing the stack.
This is happening in hwpath_to_device() which is called by
pdcspath_fetch(). hwpath_to_device tranverses the device tree. It looks
like it recurses forever, eventually filling up the stack and trashing
stuff.
Not yet sure why, nor do I really understand how the device tree
iterators work. Perhaps somebody else who understands this better will
be able to fix it quickly ;-)
randolph
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prev parent reply other threads:[~2005-08-05 10:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-03 18:36 [parisc-linux] [BUG] PDC stable storage broken on 2.6.13-rc3-pa1 Grant Grundler
2005-08-05 10:25 ` Randolph Chung [this message]
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