Re: Sysrq+B doesn't work on my box

From: Alexey Dobriyan
Date: Thu Jul 31 2008 - 09:51:20 EST


On Thu, Jul 31, 2008 at 03:45:24PM +0200, Zdenek Kabelac wrote:
> Hi
>
> I'd like to get resolved this problem - my T61 machine doesn't reboot
> with SysRQ+B key.
> And I never remember if it was ever rebooting.
>
> This is all I know so far and I've no idea where could be the problem.
>
> System is running Fedora rawhide 64bit.
>
> If I press any other SysRQ combination - it works - so things like
> Sync, Umount, powerOff do work normally.
> It's just Boot which does not even get to the __handle routine
> (I've added one extra simple debug prinkt
> for this case)
>
> So - who/how/where could mask this key sequence from being delivered
> to the sysrq driver?
> (obviously I do not have any problems typing letter 'b' itself)
>
>
>
> Another issue is - that even with 'echo b >/proc/sysrq-triggers' my
> machine doesn't reboot.

Typo here? Do

/bin/echo b >/proc/sysrq-trigger

(sic)

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