Date: Thu, 17 Oct 2002 10:03:02 -0700 From: Lars Eggert <larse@ISI.EDU> To: current <current@FreeBSD.org> Subject: three lock order reversals Message-ID: <3DAEED46.9070008@isi.edu>
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This is a cryptographically signed message in MIME format. --------------ms030702020303030509010202 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Hi, a general question first: Is there anything that would tell me which witness/lock warnings have been reported already? Or who to send witness/lock warnings to directly, without going through the list? Here's a bunch of warnigns I've been seeing: lock order reversal 1st 0xc9692000 vnode interlock (vnode interlock) @ /usr/src/sys/nfsclient/nfs_vnops.c:2629 2nd 0xc052ffc0 vm page queue mutex (vm page queue mutex) @ /usr/src/sys/vm/vm_kern.c:424 lock order reversal 1st 0xc0585ec0 spechash (spechash) @ /usr/src/sys/kern/vfs_subr.c:2748 2nd 0xc79c3de0 vnode interlock (vnode interlock) @ /usr/src/sys/kern/vfs_subr.c:2751 lock order reversal 1st 0xc6297bd4 xl0 (network driver) @ /usr/src/sys/pci/if_xl.c:1264 2nd 0xc0502140 allproc (allproc) @ /usr/src/sys/kern/kern_fork.c:317 (I also see the "usual" pcm lock warnigns, but sound under -current seems to be in a sorry state to begin with... ;-) Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms030702020303030509010202 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic 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