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Re: panic on shutdown
On Wed, Sep 10, 2008 at 09:58:22PM +0300, Stathis Kamperis wrote:
> > > Using kernels from Sunday and today, I'm seeing a panic involving
> > > kmem_poison_check on shutdown. This is using amd64 on a Thinkpad T61.
> > > Is anyone else seeing this? Sorry I don't have more details; I was
> > > concentrating more on testing if a particular PR had been resolved.
> > >
> > >
> > > --Steve Bellovin, http://www.cs.columbia.edu/~smb
> > >
> > I am seeing this also. It is triggered when unmounting mfs but I din't
> > pay close attention to it either.
> > My system is NetBSD 4.99.72/i386, UP.
Yes, there does appear to be a problem with MFS - I have seen two
behaviours when shutting down the machine:
1) Machine panics with a bad memory reference in VFS_START+0x25 -
which looks to be the unlock of the mount point
2) Machine just wedges - breaking to ddb just has it waiting on a lock
I suspect that there is some memory that is being freed but still
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