panic: Duplicate free of item 0xc433e420 from zone 0xc1045c00(g_bio)

[Kris Kennaway]

On Fri, Jan 21, 2005 at 11:51:20PM +0100, S?ren Schmidt wrote:
> Garance A Drosihn wrote:
> >I got another panic.  This time I got a clean core-dump, and I also
> >have a kernel with all the debugging symbols if that would help.
> >Here is some of the info.  The system had been up about 18 hours
> >before the panic.  The system was basically idle at the time of the
> >panic.  This is a snapshot of current which I started to build at
> >about 2pm EST on January 20th.
> 
> The duplicate free on failed ATA retry is known. I have a fix here 
> locally but it doesnt apply to whats in -current..
> 
> However, -current has severe problems that provokes those timeouts for 
> no good reason and in all my cases locks up hard. I just vasted last 
> nights sleep hunting for what I thought was a bug in my WIP. I had 
> PREEMPTION turned of etc, but it sitll failed in odd ways.
> Going back to Jan 10 00:00 UTC sources make things "just work" with 
> PREEMPTION and all. My testbox has now moved around some 800 GB's of 
> data with no problems with above backstep, on -current it fails within 
> the first few Mbytes..

Are you sure you have an up-to-date kernel?  The bug phk fixed last
week might be related.

Kris
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