SMP hard lock with libpthread (thread X holds Y but isn't blocked on a lock)

[Kris Kennaway]

On Mon, May 16, 2005 at 08:33:14AM -0700, othermark wrote:
> I have an application that uses shared memory/threads and is linked with
> libpthread, running on May 10 -current.  Every time I run it, after a few
> minutes *poof* hard lock on a SMP box.  All debug options are enabled in
> the kernel, but it won't break to debugger.  Here's what appears on the
> console, and addr2line output follows:

Try the NMI debugger patches, which might be sufficient to get it into DDB.

Kris
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20050516/dbfd2547/attachment.bin