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Re: 4.0.1 i386 wedged
hello. I was under the impression that vnconfigging an nfs-mounted
file continues to not work to today -- and that is why xen has such a hard
time supporting guests under NFS. In other words, "Don't do that". If you
need such a big file vnconfigged, use local disk.
I could be wrong on this, but I'm pretty sure I have it right.
On May 21, 2:43pm, der Mouse wrote:
} Subject: 4.0.1 i386 wedged
} I don't know if anyone recalls enough 4.x to say anything useful here,
} but if anyone does and cares to comment....
} The machine: 4.0.1 i386. Two CPUs. (Kernel has MULTIPROCESSOR,
} MPBIOS, and APM_NO_IDLE turned on.)
} NFS-mount a filesystem with a big (half-terabyte) file in it. vnconfig
} that onto vnd0. Mount /dev/vnd0d. Write stuff to it.
} Machine locks up. Responsive to ping, but userland is totally wedged,
} doesn't even respond to RETURN on the console. Break into ddb and do
} ps and find pagedaemon is waiting on emergva. It appears to be
} deadlocked against itself; my impression from the stack trace is that
} it's trying to page something out and finds itself wanting to page
} something in to do so.
} Is this a case of "don't do that, then", or should this work and I just
} need to track down a bug?
} /~\ The ASCII Mouse
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>-- End of excerpt from der Mouse
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