Re: Kernel Panic in kernel-image-2.6.7-1-686 in jbd

[Bharath Ramesh <bramesh@vt.edu>]

* Christoph Hellwig (hch@lst.de) wrote:
> On Fri, Aug 20, 2004 at 11:56:43AM -0400, Bharath Ramesh wrote:
> > * Christoph Hellwig (hch@lst.de) wrote:
> > > On Thu, Aug 19, 2004 at 06:37:13PM -0400, Bharath Ramesh wrote:
> > > > I have 2.6.7 kernel on my Compaq laptop. I compiled the ndiswrapper
> > > > downloading from sourcforge. But whenever I try to run ifup on my device
> > > > I get a Kernel Panic. I am attaching the a part of the kernel messages
> > > > when it panics. Any help on this is appreciated. I am not subsribed to
> > > > this list, please CC me the replies.
> > > 
> > > When ifuping the ndiswrapper device?  This pretty much looks like a
> > > stack overflow, and given how stack hungry windows drivers are that
> > > would be the likely culprit.
> > 
> > If you see the last line ok the kernel panic it says:
> > 
> >  Aug 18 00:04:37 poseidon kernel:  <0>Assertion failure in journal_start() at fs/jbd/transaction.c:274: "handle->h_transaction->t_journal == journal"
> > 
> > The problem is that this bug is reproducable. Either ndiswrapper is at
> > fault or there is a bug in jbd. Looking at the Call trace it seems like
> > the panic occured in jbd. Any suggestions.
> 
> Let me repeat:  this looks extremly like a stack overflow.  ndiswrapper
> is known for causing stack overflows.  Can you reproduce this bug
> without ndiswrapper loaded?

Yeah I figured out that ndiswrapper is the one that causing the stack
overflow to occur. I couldnt reproduce this without ndiswrapper.

Thanks,

Bharath

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Bharath Ramesh       <bramesh@vt.edu>       http://csgrad.cs.vt.edu/~bramesh