Bug 17326 - SysRq Boot does not work
SysRq Boot does not work
Status: CLOSED NOTABUG
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
7.0
i386 Linux
medium Severity medium
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Assigned To: Michael K. Johnson
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Depends On:
Blocks:
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Reported: 2000-09-07 10:12 EDT by David Balažic
Modified: 2008-05-01 11:37 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2001-02-07 12:31:49 EST
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Description David Balažic 2000-09-07 10:12:17 EDT
SysRq + B ( Boot , should reboot the machine )
does not work for me. The other SysRq key all work.

Second, SysRq + L ( killalL , kill all processes )
freezes the computer. VT switching doesn't work anymore,
the Caps Lock LED doesn't change on the key press.
Weirdly the power-off button works.
It is a soft-power-off button and if the correct
code is not running, one must hold it for 4 seconds
to power off.
Comment 1 David Balažic 2001-01-22 11:17:58 EST
Same thing with Florence beta2 on an updated machine.
( it is still the same keyboard )
Comment 2 Arjan van de Ven 2001-01-23 04:32:15 EST
From the Documentation/sysrq.txt file:

'i'     - Send a SIGKILL to all processes, except for init.

'l'     - Send a SIGKILL to all processes, INCLUDING init. (Your system
          will be non-functional after this.)

so the "L stops functioning" is not a bug but intended behavior.
The "b" is still a bug
Comment 3 David Balažic 2001-02-07 12:31:44 EST
Still doesn't work.

I patched to kernel to perform a reboot on SysRq+H instead
of SysRq+B and it works, pressing SysRq+H will reboot the system.

Seems like the keyboard can't handle certain key combinations.
For the record :

Keyboard is PS/2 with slovenian layout , Cherry G83.
Details printed on the bottom side :

model : RS 6000 M
typ : 35
part. no. : G83-6105LRNSL/ 01
serial.no. : G 0019260 5K44 3 ||

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