Date: Thu, 25 Nov 2004 15:22:10 -0800 From: Kris Kennaway <kris@obsecurity.org> To: current@FreeBSD.org Subject: Sleeping on "fdesc" with the following non-sleepable locks held: Message-ID: <20041125232210.GA88512@xor.obsecurity.org>
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--8t9RHnE3ZwKMSgU+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Found in 6.0 (with mpsafevm=1, if it matters) Kris Sleeping on "fdesc" with the following non-sleepable locks held: exclusive sleep mutex fdesc r = 0 (0xc0740920) locked @ kern/vfs_mount.c:955 KDB: enter: witness_warn [thread pid 79735 tid 100366 ] Stopped at kdb_enter+0x32: leave db> tr Tracing pid 79735 tid 100366 td 0xc8584900 kdb_enter(c06c48a8,f161bc28,1,1,0) at kdb_enter+0x32 witness_warn(2,c5bae928,c06e4bde,c06e0ca6,c076cbd0) at witness_warn+0x1bb msleep(c5bae94c,c5bae928,64,c06e0ca6,0) at msleep+0x47 checkdirs(c59fa400,f161bca4,c8584900,c8584900,0) at checkdirs+0xe0 dounmount(c59fa400,8080000,c8584900,40d,602ff4f) at dounmount+0x3d6 unmount(c8584900,f161bd14,c06feff6,3ad,2) at unmount+0x1cc syscall(2f,2f,2f,804a618,bfbfe759) at syscall+0x13b Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (22, FreeBSD ELF32, unmount), eip = 0x280c5a63, esp = 0xbfbfe4ec, ebp = 0xbfbfe5a8 --- --8t9RHnE3ZwKMSgU+ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBpmkiWry0BWjoQKURAhu2AKDCGns9dkfhpjqyDhzuqI+LPhsHgQCgibOG mh07ftBiP9fh7Y8v0sK0Xcc= =bzdO -----END PGP SIGNATURE----- --8t9RHnE3ZwKMSgU+--
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