Date: Mon, 11 Nov 2002 13:34:28 -0800 From: Kris Kennaway <kris@obsecurity.org> To: current@FreeBSD.org Subject: "panic: sleeping thread owns a mutex" in unmount() Message-ID: <20021111213427.GA74011@rot13.obsecurity.org>
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I just got this on a Nov 1 current kernel:
panic: sleeping thread owns a mutex
Debugger("panic")
Stopped at Debugger+0x54: xchgl %ebx,in_Debugger.0
db> bt
No such command
db> trace
Debugger(c04038ad,c047e2c0,c0402a36,d928bb80,1) at Debugger+0x54
panic(c0402a36,1,c04029a2,6b,0) at panic+0xab
propagate_priority(c6be8270,2,c04029a2,23b,c0401a58) at propagate_priority+0x13c
_mtx_lock_sleep(c044c420,0,c0409d2a,c47,0) at _mtx_lock_sleep+0x219
_mtx_lock_flags(c044c420,0,c0409d2a,c47,15f) at _mtx_lock_flags+0x94
vfs_msync(c5828c00,1,1,c6be8270,10000) at vfs_msync+0x5b
dounmount(c5828c00,80000,c6be8270,bfbffb06,0) at dounmount+0x123
unmount(c6be8270,d928bd10,c04245ae,409,2) at unmount+0xcc
syscall(2f,2f,2f,809a40e,80b483d) at syscall+0x28e
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (22, FreeBSD ELF32, unmount), eip = 0x804b207, esp = 0xbfbff41c, ebp = 0xbfbff498 ---
db>
Unfortunately I was unable to get a dump.
Kris
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