On Wed, Aug 15, 2007 at 03:58:17PM +0100, Antoine Martin wrote:
> SysRq doesn't dump anything anymore (or did it ever? IIRC it did)
I was just looking at that. You need CONFIG_MAGIC_SYSRQ enabled,
which isn't by default for some reason. Then, there is a bug in
returning stuff to the mconsole client, which I have a patch for.
Then, there's a problem with large amounts of data being passed back.
However, if sysrq is enabled, data will end up in the kernel log as
usual, where it can be looked at with gdb even if the UML isn't
healthy enough to run dmesg.
Jeff
--
Work email - jdike at linux dot intel dot com
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