lockup during rdump

[Kris Kennaway]

On Sat, Apr 02, 2005 at 07:32:49AM -0800, Randy Bush wrote:
> fxp scsi system, dmesg appended
> current as of 2005.04.01 02:14 gmt
> full make and install of world and kernel with portupgrade (which was minor)
> 
> system locks up during rdump
> 
> at a ssh pty or the serial console, it will echo what you type, but
> hit return and it does not respond.  a remote gkrellm can see
> changes in the gkrellmd running on the box (over an ssh tunnel).
> 
> i found no way to get its attention to get a dump, and am open to
> suggestions.

Break to DDB on the serial console, and use 'ps', 'trace', 'show
alllocks' (with witness enabled), 'show lockedvnods' etc.

Kris
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