amd64-current - lockmgr: thread 0xDEADBEEF unlocking unheld lock

Kris Kennaway kris at obsecurity.org
Mon Sep 19 17:50:32 PDT 2005


On Mon, Sep 19, 2005 at 04:45:28PM -0700, David Kleiner wrote:
> Hi,
> 
> I've been getting those after updated to last night's -current on my amd64 box.
> 
> Please let me know if I can send any additional information.
> 
> Thank you,

Details of filesystem usage would be important - you're presumably
using a non-ufs filesystem here.

Kris

> unlocking unheld lock
> Sep 19 16:33:31 wallaby kernel: KDB: stack backtrace:
> Sep 19 16:33:31 wallaby kernel: lockmgr() at lockmgr+0x6de
> Sep 19 16:33:31 wallaby kernel: VOP_UNLOCK_APV() at VOP_UNLOCK_APV+0x49
> Sep 19 16:33:31 wallaby kernel: vput() at vput+0x80
> Sep 19 16:33:31 wallaby kernel: lookup() at lookup+0xad1
> Sep 19 16:33:31 wallaby kernel: namei() at namei+0x349
> Sep 19 16:33:31 wallaby kernel: kern_stat() at kern_stat+0x55
> Sep 19 16:33:31 wallaby kernel: stat() at stat+0x2a
> Sep 19 16:33:31 wallaby kernel: syscall() at syscall+0x629
> Sep 19 16:33:31 wallaby kernel: Xfast_syscall() at Xfast_syscall+0xa8
> Sep 19 16:33:31 wallaby kernel: --- syscall (188, FreeBSD ELF64,
> stat), rip = 0x800bfbeec, rsp = 0x7fffffffbe08, rbp = 0x7fff ffffbe50
> ---
> Sep 19 16:33:32 wallaby kernel: lockmgr: thread 0xffffff0031c8dbe0
> unlocking unheld lock
> Sep 19 16:33:32 wallaby kernel: KDB: stack backtrace:
> Sep 19 16:33:32 wallaby kernel: lockmgr() at lockmgr+0x6de
> Sep 19 16:33:32 wallaby kernel: VOP_UNLOCK_APV() at VOP_UNLOCK_APV+0x49
> Sep 19 16:33:32 wallaby kernel: vput() at vput+0x80
> Sep 19 16:33:32 wallaby kernel: vn_open_cred() at vn_open_cred+0x41e
> Sep 19 16:33:32 wallaby kernel: kern_open() at kern_open+0xfc
> Sep 19 16:33:32 wallaby kernel: open() at open+0x25
> Sep 19 16:33:32 wallaby kernel: syscall() at syscall+0x629
> Sep 19 16:33:32 wallaby kernel: Xfast_syscall() at Xfast_syscall+0xa8
> Sep 19 16:33:32 wallaby kernel: --- syscall (5, FreeBSD ELF64, open),
> rip = 0x8006e0f4c, rsp = 0x7fffffffece8, rbp = 0x3 ---
> Sep 19 16:33:32 wallaby Xprt_33: No matching visual for
> __GLcontextMode with visual class = 0 (32775), nplanes = 8
> Sep 19 16:34:28 wallaby kernel: lockmgr: thread 0xffffff002ce464c0
> unlocking unheld lock
> Sep 19 16:34:28 wallaby kernel: KDB: stack backtrace:
> Sep 19 16:34:28 wallaby kernel: lockmgr() at lockmgr+0x6de
> Sep 19 16:34:28 wallaby kernel: VOP_UNLOCK_APV() at VOP_UNLOCK_APV+0x49
> Sep 19 16:34:28 wallaby kernel: vput() at vput+0x80
> Sep 19 16:34:28 wallaby kernel: lookup() at lookup+0xad1
> Sep 19 16:34:28 wallaby kernel: namei() at namei+0x349
> Sep 19 16:34:28 wallaby kernel: vn_open_cred() at vn_open_cred+0x200
> Sep 19 16:34:28 wallaby kernel: kern_open() at kern_open+0xfc
> Sep 19 16:34:28 wallaby kernel: open() at open+0x25
> Sep 19 16:34:28 wallaby kernel: syscall() at syscall+0x629
> Sep 19 16:34:28 wallaby kernel: Xfast_syscall() at Xfast_syscall+0xa8
> Sep 19 16:34:28 wallaby kernel: --- syscall (5, FreeBSD ELF64, open),
> rip = 0x800932f4c, rsp = 0x7fffffffe978, rbp = 0 ---
> -------------------------
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