On Fri, Dec 15, 2006 at 02:29:58PM -0500, Kris Kennaway wrote: > On Fri, Dec 15, 2006 at 02:12:16PM -0500, Sven Willenberger wrote: > > On Fri, 2006-12-15 at 13:15 -0500, Kris Kennaway wrote: > > > On Fri, Dec 15, 2006 at 10:01:19AM -0500, Sven Willenberger wrote: > > > > On Tue, 2006-12-05 at 12:38 +0900, Hiroki Sato wrote: > > > > > Kostik Belousov <[EMAIL PROTECTED]> wrote > > > > > in <[EMAIL PROTECTED]>: > > > > > > > > > > ko> What version of sys/nfsserver/nfs_serv.c do you use ? If it is > > > > > older than > > > > > ko> 1.156.2.7, please, update the system. > > > > > > > > > > Thanks, I updated it just now and see how it works. > > > > > > > > > > -- > > > > > | Hiroki SATO > > > > > > > > I was/am having the same issue. Updating world (6.2-stable) to include > > > > the above update sadly did not fix the problem for me. This is an amd64 > > > > box with only one client connecting to it via nfs. Reading further it > > > > may seem to be an issue with rpc.statd and/or rpc.lockd. As I only have > > > > one client connecting and it is being used as mail storage (i.e. the > > > > client pops/imaps the storage) would be safe to not using fcntl forwards > > > > over the wire? Is this same issue present in 6.1-RELENG? I am really at > > > > my wits end at this point and for the first time am actually considering > > > > moving to another OS (solaris more than likely) as I cannot have these > > > > types of issues interrupting services every couple days. > > > > > > > > What other information (spefically) can I provide to help the devs > > > > figure out what is going on? What can I do in the meantime to have some > > > > semblence of stability? I assume downgrading to 5.5-RELENG is out of the > > > > question but perhaps disabling SMP? > > > > > > Just to confirm, can you please post the panic backtrace you are > > > seeing? And can you explain what you mean by "may seem to be an issue > > > with rpc.statd and/or rpc.lockd"? > > > > > > Sometimes people think they're seeing the same problem as someone else > > > when really it's a completely different problem in the same subsystem, > > > so I'd like to rule that out here. > > > > > > Kris > > > > Well I have now added kdb and invariants/witness support to the kernel > > so I should be able to get some backtrace the next time it happens. > > Currently, the system just locks and no error is displayed on the > > console or /var/log/messages; sorry I cannot be of immediate help there. > > OK, so your issue is not, in fact, a "panic in nfsd" as you were > claiming ;-) > > > Regarding the rpc issue, I just ran across mention of those in sshfs/nfs > > threads appearing here and in particular to a link referenced within one > > of them (http://docs.freebsd.org/cgi/getmsg.cgi?fetch=1362611+0 > > +archive/2006/freebsd-stable/20060702.freebsd-stable ) - it is more than > > likely not at all related but I am grasping at straws here trying to > > solve this. > > Yes, I think you are grasping at straws. At this point, you need to > do some debugging to find out the source of your problem, and treat it > as a new bug until you find conclusive evidence that it's the same as > a previously reported bug. > > Guessing without evidence that your problem is the same as someone > else's problem, because e.g. both involve your system becoming > unresponsive, is a very good way to confuse the issue and delay > resolution. > > > FWIW, I do see the following appearing in the /var/log/messages: > > ufs_rename: fvp == tvp (can't happen) > > about once or twice a day, but cannot correlate those to lockup. Now > > that I have enabled the options mentioned above in the kernel, I am > > seeing some LOR issues: > > > > kernel: lock order reversal: > > kernel: 1st 0xffffff00c3bab200 kqueue (kqueue) @ > > /usr/src/sys/kern/kern_event.c:1547 > > kernel: 2nd 0xffffff0005bb6078 struct mount mtx (struct mount mtx) @ > > /usr/src/sys/ufs/ufs/ufs_vnops.c:138 > > OK, this is interesting, so let's proceed from here. > > Kris
Try this.
Index: ufs/ufs/ufs_vnops.c
===================================================================
RCS file: /usr/local/arch/ncvs/src/sys/ufs/ufs/ufs_vnops.c,v
retrieving revision 1.283
diff -u -r1.283 ufs_vnops.c
--- ufs/ufs/ufs_vnops.c 6 Nov 2006 13:42:09 -0000 1.283
+++ ufs/ufs/ufs_vnops.c 15 Dec 2006 21:19:51 -0000
@@ -133,19 +133,15 @@
{
struct inode *ip;
struct timespec ts;
- int mnt_locked;
ip = VTOI(vp);
- mnt_locked = 0;
- if ((vp->v_mount->mnt_flag & MNT_RDONLY) != 0) {
- VI_LOCK(vp);
+ VI_LOCK(vp);
+ if ((vp->v_mount->mnt_flag & MNT_RDONLY) != 0)
goto out;
+ if ((ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) == 0) {
+ VI_UNLOCK(vp);
+ return;
}
- MNT_ILOCK(vp->v_mount); /* For reading of mnt_kern_flags. */
- mnt_locked = 1;
- VI_LOCK(vp);
- if ((ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) == 0)
- goto out_unl;
if ((vp->v_type == VBLK || vp->v_type == VCHR) && !DOINGSOFTDEP(vp))
ip->i_flag |= IN_LAZYMOD;
@@ -172,10 +168,7 @@
out:
ip->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE);
- out_unl:
VI_UNLOCK(vp);
- if (mnt_locked)
- MNT_IUNLOCK(vp->v_mount);
}
/*
pgp0y0qvB3U0l.pgp
Description: PGP signature
