Date: Fri, 11 Apr 2008 12:01:05 +0200 From: clemens fischer <ino-news@spotteswoode.dnsalias.org> To: freebsd-current@freebsd.org Subject: Re: on shutdown: "panic: fifo_close: no v_fifoinfo" Message-ID: <1gp3d5xri3.ln2@nntp.spotteswoode.dnsalias.org> References: <9gikb5xt3a.ln2@nntp.spotteswoode.dnsalias.org>
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On Mon, 24 Mar 2008 13:13:29 +0100 clemens fischer wrote: > i'm seeing this panic sometimes when shutting down the system, after > many (but not all) of the disk buffers have been flushed. > > ... > Syncing disks, vnodes remaining...40 36 2 2 1 1 0 0 0 done > All buffers synced. > lock order reversal: > 1st 0xc3ab97d4 vfslock (vfslock) @ /usr/src/sys/kern/vfs_mount.c:1249 > 2nd 0xc3d30e08 syncer (syncer) @ /usr/src/sys/kern/vfs_subr.c:2162 > ... > panic: fifo_close: no v_fifoinfo > cpuid = 0 > KDB: enter: panic > exclusive lockmgr ufs r = 0 (0xc4090058) locked @ /usr/src/sys/kern/vfs_subr.c:2367 > exclusive lockmgr vfslock r = 0 (0xc3c0329c) locked @ /usr/src/sys/kern/vfs_mount.c:1249 > exclusive lockmgr ufs r = 0 (0xc39432a0) locked @ /usr/src/sys/kern/vfs_mount.c:1214 > exclusive sleep mutex Giant r = 0 (0xc081dc10) locked @ /usr/src/sys/kern/kern_shutdown.c:171 i don't know what you guys did, but sometime between 2008-04-07 and 2008-04-04 you fixed it. no panics anymore, most of the LORs disappeared and the machine doesn't wait a minute or two on shutdown before powering off anymore. clemens
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