Date: Fri, 26 Nov 2004 18:24:31 -0800 From: Kris Kennaway <kris@obsecurity.org> To: phk@freeBSD.org Cc: current@FreeBSD.org Subject: Still getting fdesc sleep warning/lor Message-ID: <20041127022431.GA86442@xor.obsecurity.org>
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--LQksG6bCIzRHxTLp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sleeping on "fdesc" with the following non-sleepable locks held: exclusive sleep mutex fdesc r = 0 (0xc0740a40) locked @ kern/vfs_mount.c:967 KDB: stack backtrace: witness_warn(2,c5bdc528,c06e4cfe,c06e0dc6,c076ccb8) at witness_warn+0x175 msleep(c5bdc54c,c5bdc528,64,c06e0dc6,0) at msleep+0x47 checkdirs(c59eec00,f1599ca4,c7fd3000,c7fd3000,0) at checkdirs+0xe0 dounmount(c59eec00,8080000,c7fd3000,43a,307fffc) at dounmount+0x3fa unmount(c7fd3000,f1599d14,8,3ff,2) at unmount+0x1f4 syscall(2f,2f,2f,804a619,bfbfe74a) at syscall+0x13b Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (22, FreeBSD ELF32, unmount), eip = 0x280c5a63, esp = 0xbfbfe4dc, ebp = 0xbfbfe598 --- lock order reversal 1st 0xc0740a40 fdesc (fdesc) @ kern/vfs_mount.c:967 2nd 0xc07412e0 Giant (Giant) @ kern/kern_synch.c:236 KDB: stack backtrace: witness_checkorder(c07412e0,9,c06e4d0f,ec,c054432e) at witness_checkorder+0x5ed _mtx_lock_flags(c07412e0,0,c06e4d0f,ec,0) at _mtx_lock_flags+0x54 msleep(c5bdc54c,c5bdc528,64,c06e0dc6,0) at msleep+0x291 checkdirs(c59eec00,f1599ca4,c7fd3000,c7fd3000,0) at checkdirs+0xe0 dounmount(c59eec00,8080000,c7fd3000,43a,307fffc) at dounmount+0x3fa unmount(c7fd3000,f1599d14,8,3ff,2) at unmount+0x1f4 syscall(2f,2f,2f,804a619,bfbfe74a) at syscall+0x13b Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (22, FreeBSD ELF32, unmount), eip = 0x280c5a63, esp = 0xbfbfe4dc, ebp = 0xbfbfe598 --- dosirak# cvs -Rq status kern_descrip.c =================================================================== File: kern_descrip.c Status: Up-to-date Working revision: 1.257 Fri Nov 26 08:45:11 2004 Repository revision: 1.257 /c/ncvs/src/sys/kern/kern_descrip.c,v Sticky Tag: (none) Sticky Date: (none) Sticky Options: (none) Kris --LQksG6bCIzRHxTLp Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBp+VfWry0BWjoQKURAk49AJ0V5xQKnfsbGcfGHpUQtcRidF1WNgCfcqm0 O87i1CPk90eDIA4wBB+pkUQ= =nGXm -----END PGP SIGNATURE----- --LQksG6bCIzRHxTLp--
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