Messages in this thread | | | Date | Fri, 21 Sep 2001 11:12:50 +0200 | From | Vojtech Pavlik <> | Subject | Re: Magic SysRq + |
| |
On Fri, Sep 21, 2001 at 11:07:01AM +0200, David Balazic wrote: > Vojtech Pavlik (vojtech@suse.cz) wrote : > > > On Wed, Sep 19, 2001 at 08:56:13AM -0700, Randy.Dunlap wrote: > > > (and maybe earlier...) > > > > > > Simple problems grow... > > > > > > Keith Owens has already noted one problem in sysrq.c (2.4.10-pre12). > > > > > > Beginning: > > > > > > I have an IBM model KB-9910 keyboard. When I use > > > Alt+SysRQ+number (number: 0...9) on it to change the > > > console loglevel, only keys 5 and 6 have the desired > > > effect. I used showkey -s to view the scancodes from > > > the other <number> keys, but showkey didn't display > > > anything for them. Any other suggestions? > > > > Most likely the keyboard scanning matrix doesn't allow that combination. > > Quite a large number of keyboards doesn't allow multiple keys pressed > > (except for shift, ctrl, alt, which are separate) at once. > > "we saved 13 cents on keyboard costs !"
Oh yes, you can save some diodes if you don't want all keys pressed at once ...
> On my Cherry G-83 keyboard ( crap/shit/$"#$"$" !!! ) the alt-SysRq-B > ( reboot ) combination does not work. I don't know about other combinations. > > Workaround that works for me : press ALT , press SysRq , release ALT , press B
Yes, that's why this workaround was implemented.
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |