On Thu, Apr 17, 2003 at 01:18:49AM -0700, Nate Lawson wrote: > On Wed, 16 Apr 2003, Andrew Gallatin wrote: > > Ruslan Ermilov writes: > > > : dc0: detached > > > : panic: blockable sleep lock (sleep mutex) Giant _at_ vm/vm_fault.c:206 > > > > > > Reverting to if_dc.c,v 1.96 makes the problem go away. > > > Please fix. > > > > I think this indciates that something trap'ed in the kernel in the > > middle of handling, say, another trap. > > > > A stack trace from ddb or gdb would make this a lot easier to debug. > > Yes, backtrace please. Also, you might want to try removing the > bus_child_present() check in xl_detach and just unconditionally call > xl_stop(). Ian Dowse has indicated to me that some of the drivers > (dc) have routines which need to always be called in detach, even if the > hardware is not present. > Yes, Ian's patch did the trick. Let me know if you still want a backtrace, and should it be against the kernel with debug information or not. Cheers, -- Ruslan Ermilov Sysadmin and DBA, ru_at_sunbay.com Sunbay Software AG, ru_at_FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age
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