Messages in this thread | | | Date | Mon, 25 Aug 2003 21:06:51 -0400 | From | Jeff Garzik <> | Subject | Re: [PATCH] Allow sysrq() via /proc/sys/kernel/magickey |
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Linux Kernel Mailing List wrote: > ChangeSet 1.1114, 2003/08/25 16:42:57-03:00, m.c.p@wolk-project.de > > [PATCH] Allow sysrq() via /proc/sys/kernel/magickey > > Hi Marcelo, > > sysrq() is a good thing to debug things, but unfortunately you need to have > physical access to the keyboard. My company for instance maintains tons of > remote machines and sometimes we need to do sysrq() too, but it's not > possible to do so the remote way. > > Attached patch enables emulation of the Magic SysRq key (Alt-SysRq-key) via > the /proc interface. Just echo the desired character into the file and there > you go. > > Patch from Randy Dunlap!
This patch is completely unneeded and redundant.
2.4.x already has /proc/sysrq-trigger for precisely this purpose.
See fs/proc/proc_misc.c for more details.
Jeff
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