Date: Sun, 21 Oct 2001 12:34:44 +0200 From: Mark Huizer <freebsd@dohd.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Mark Huizer <freebsd@dohd.org>, current@FreeBSD.ORG Subject: Re: NT filesystem panicking my current box Message-ID: <20011021123444.A1801@eeyore.local.dohd.org> In-Reply-To: <200110210318.f9L3IZq56810@apollo.backplane.com> References: <20011020153616.A76111@eeyore.local.dohd.org> <200110210318.f9L3IZq56810@apollo.backplane.com>
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On Sat, Oct 20, 2001 at 08:18:35PM -0700, Matthew Dillon wrote: > Try turning off vmiodirenable: > > sysctl -w vfs.vmiodirenable=0 > > And see if that makes a difference. > > -Matt Nope, it crashes just as fast. I am now turning on crash dumps, so I can at least give a backtrace This is the crash message IdlePTD 5226496 initial pcb at 3b3500 panicstr: bwrite: buffer is not busy??? panic messages: --- panic: lockmgr: pid 556, not exclusive lock holder 536 unlocking syncing disks... panic: bwrite: buffer is not busy??? Uptime: 8m48s pfs_vncache_unload(): 1 entries remaining This is the backtrace: #0 0xc021013e in dumpsys () #1 0xc020ff2b in boot () #2 0xc0210338 in poweroff_wait () #3 0xc023c6cf in bwrite () #4 0xc023d958 in vfs_bio_awrite () #5 0xc01e9588 in spec_fsync () #6 0xc01e9171 in spec_vnoperate () #7 0xc02b95d8 in ffs_sync () #8 0xc0248ce9 in sync () #9 0xc020fb30 in boot () #10 0xc0210338 in poweroff_wait () #11 0xc0206b59 in lockmgr () #12 0xc02423f2 in vop_stdunlock () #13 0xc046bcbc in ?? () #14 0xc02461e3 in vput () #15 0xc024aba1 in lstat () #16 0xc02f19f4 in syscall () #17 0xc02e603d in syscall_with_err_pushed () #18 0x804b27a in ?? () #19 0x804a58d in ?? () #20 0x8052d19 in ?? () #21 0x8048135 in ?? () Unfortunately I've already done a cvsup since that build, so it will take a buildworld cycle to get a kernel with more symbol information. I will start that work now Mark > :2 seconds of testing showed that 'tar -czf /dev/null /nt' was enough for > :a kernel panick within 2 seconds. > : > :A few upgrades later the problem still exists. > : -- Nice testing in little China... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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