kernel panic

Matthew Dillon dillon at
Sat Oct 29 13:24:24 PDT 2005

:Since I rebuilt yesterday I've been seeing strange hangs when
:shutting down X.  The box will respond to pings, but ssh won't
:respond so I have to do a hard reset to recover.  Today I got
:a kernel panic after shutting X down:
:#23 0xc031489b in Debugger (msg=0x0) at cpufunc.h:68
:#24 0xc019c6dd in panic (fmt=0xc0381c08 "ffs_balloc: vnode %p not exclusively
:    at /usr/src/sys/kern/kern_shutdown.c:663
:#25 0xc0266c4a in ffs_balloc (ap=0xc800f71c) at

    Woo woo!  Upload that kernel and core to leaf!

    I recently added a sanity check in ffs_balloc to try to catch any
    cases where it manipulated the inode without locking the vnode,
    which could lead to the type of 'dirbad' panics/filesystem corruption
    that had recently been reported.

    You hit the check.

					Matthew Dillon 
					<dillon at xxxxxxxxxxxxx>

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