Messages in this thread |  | | | Date | Mon, 24 Dec 2001 06:27:48 -0800 (PST) | | From | "M. Edward (Ed) Borasky" <> | | Subject | Re: Total system lockup with Alt-SysRQ-L |
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On Mon, 24 Dec 2001, Russell King wrote:
> The problem was definitely in the exit_notify code, where it > manipulated the task links indefinitely. (I think it was cptr never > becomes null, so the loop never terminates). > > However, if we're saying that "pid1 must not die" then maybe we should > get rid of the 'killall' sysrq option since it serves no useful > purpose, and add a suitable panic in the do_exit path? > > I'll generate a patch for that if there's interest.
What would be even better, and I think there may already be such an option, would be a one-button "sync up all the disks, forbid any more writes, save as much state as possbile (registers, memory) to a swap partition, set a flag for crash dump processing and reboot" capability.
-- M. Edward Borasky
znmeb@borasky-research.net http://www.borasky-research.net
If God had meant carrots to be eaten cooked, He would have given rabbits fire.
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