Date: Thu, 21 Aug 2008 21:50:43 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Weldon S Godfrey 3 <weldon@excelsus.com> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS-NFS kernel panic under load Message-ID: <20080821195043.GA1585@garage.freebsd.pl> In-Reply-To: <20080821153107.W76650@emmett.excelsus.com> References: <20080806101621.H24586@emmett.excelsus.com> <20080814091337.Y94482@emmett.excelsus.com> <20080821153107.W76650@emmett.excelsus.com>
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[-- Attachment #1 --] On Thu, Aug 21, 2008 at 03:35:04PM -0400, Weldon S Godfrey 3 wrote: > > Looks like the bug with NFS and ZFS still exists. > > Well, I got the lastest 8-HEAD on with the most recent ZFS patch and ran > the benchmarks again this morning and after about an hour, it paniced with > the same message about page fault with nfsd. It dropped to debugger on > shutdown, it didn't do a savecore, dumpdev is set to AUTO. > > I will be more than happy to provide anything to assist in debugging it. [...] > (kgdb) backtrace > #0 doadump () at pcpu.h:194 > #1 0x0000000000000004 in ?? () > #2 0xffffffff804a7049 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418 > #3 0xffffffff804a744d in panic (fmt=0x104 <Address 0x104 out of bounds>) at /usr/src/sys/kern/kern_shutdown.c:572 > #4 0xffffffff807780e4 in trap_fatal (frame=0xffffff000bce26c0, eva=18446742974395967712) at /usr/src/sys/amd64/amd64/trap.c:724 > #5 0xffffffff807784b5 in trap_pfault (frame=0xffffffffdfbc5670, usermode=0) at /usr/src/sys/amd64/amd64/trap.c:641 > #6 0xffffffff80778de8 in trap (frame=0xffffffffdfbc5670) at /usr/src/sys/amd64/amd64/trap.c:410 > #7 0xffffffff8075e7ce in calltrap () at /usr/src/sys/amd64/amd64/exception.S:169 > #8 0xffffffff8063b3d8 in nfsrv_access (vp=0xffffff00207d7dc8, flags=128, cred=0xffffff00403d4800, rdonly=0, td=0xffffff000bce26c0, override=0) at /usr/src/sys/nfsserver/nfs_serv.c:4284 > #9 0xffffffff8063c4f1 in nfsrv3_access (nfsd=0xffffff00543ed000, slp=0xffffff0006396d00, td=0xffffff000bce26c0, mrq=0xffffffffdfbc5af0) at /usr/src/sys/nfsserver/nfs_serv.c:234 > #10 0xffffffff8064cd1d in nfssvc (td=Variable "td" is not available.) at /usr/src/sys/nfsserver/nfs_syscalls.c:456 > #11 0xffffffff80778737 in syscall (frame=0xffffffffdfbc5c70) at /usr/src/sys/amd64/amd64/trap.c:852 > #12 0xffffffff8075e9db in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:290 Can you tell me how exactly line 4284 of sys/nfsserver/nfs_serv.c looks in your source? -- Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFIrccTForvXbEpPzQRAmWgAJ0d2v0XAB0q/OWyQcGLK9ynZ0JyrwCfV9ww oirZw4ffN1oI7kH8YovhKCQ= =AXkH -----END PGP SIGNATURE-----
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