Date: Sun, 26 Jun 2005 09:13:30 -0400 From: Suleiman Souhlal <ssouhlal@FreeBSD.org> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: jeff@FreeBSD.org, freebsd-current@FreeBSD.org Subject: Re: VFS panic(?). Message-ID: <A1C28931-4BB3-4B66-99B4-FDABC9BEF79B@FreeBSD.org> In-Reply-To: <20050626094708.GR739@darkness.comp.waw.pl> References: <20050626094708.GR739@darkness.comp.waw.pl>
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Hi, On Jun 26, 2005, at 5:47 AM, Pawel Jakub Dawidek wrote: > Hi. > > On a diskless machine (all file systems are NFS-mounted), when I start > syslogd and run: > > # tail -f /var/log/all.log > > I get this panic: > > panic: lockmgr: locking against myself > cpuid = 1 > KDB: enter: panic > [thread pid 697 tid 100159 ] > Stopped at kdb_enter+0x2b: nop > db> tr > Tracing pid 697 tid 100159 td 0xc249d600 > kdb_enter(c05d1267) at kdb_enter+0x2b > panic(c05cf2f1,c249d600,0,c06030e0,ed63ba78) at panic+0x127 > lockmgr(c2545058,3001,c254507c,c249d600,ed63ba58) at lockmgr+0x3be > vop_stdlock(ed63ba78,1001,c2545000,ed63ba94,c04f2d5c) at vop_stdlock > +0x1e > VOP_LOCK_APV(c0608a40,ed63ba78) at VOP_LOCK_APV+0x87 > vn_lock(c2545000,1001,c249d600) at vn_lock+0xa8 > filt_vfsread(c2532000,6) at filt_vfsread+0x3a > knote(c2870030,6,0) at knote+0x90 > VOP_WRITE_APV(c0608a40,ed63bc40) at VOP_WRITE_APV+0x18c > vn_write(c23a4828,c286d380,c27a6c00,0,c249d600) at vn_write+0x1ea > kern_writev(c249d600,a,c286d380,c286d380,0) at kern_writev+0x8e > writev(c249d600,ed63bd04,3,1f,246) at writev+0x30 > syscall(bfbf003b,805003b,bfbf003b,80574d8,bfbfcf20) at syscall+0x22f > Xint0x80_syscall() at Xint0x80_syscall+0x1f > --- syscall (121, FreeBSD ELF32, writev), eip = 0x280c8d5b, esp = > 0xbfbfc83c, ebp = 0xbfbfcf48 --- > > This is HEAD from yesterday. Can you try the patch at http://people.freebsd.org/~ssouhlal/testing/ knlist_locking-20050625.diff ? -- Suleiman Souhlal | ssouhlal@vt.edu The FreeBSD Project | ssouhlal@FreeBSD.org
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