mtx_lock() of spin mutex (null)
John Baldwin
jhb at FreeBSD.org
Mon Aug 4 13:36:35 PDT 2003
On 04-Aug-2003 Holger Kipp wrote:
> Got the following panic on a completely idle -CURRENT from July 26th:
> so this was presumably caused by the daily or weekly jobs.
>
> panic: mtx_lock() of spin mutex (null) @ /usr/src/sys/kern/vfs_subr.c:1186
> Debugger("panic")
> stopped at Debugger +0x54: xchgl %ebx,in_Debugger.0
> db>
if (VOP_GETVOBJECT(vp, &object) == 0) {
VM_OBJECT_LOCK(object);
vm_object_pip_wait(object, "vnvlbx");
VM_OBJECT_UNLOCK(object);
}
That line is the VM_OBJECT_LOCK(). It looks like the mutex hasn't
been initialized and is just all zeros.
--
John Baldwin <jhb at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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