Linux-kernel mailing list archive 2000-32,: Re: Can't get sysrq working in 2.2.12 kernel

# Re: Can't get sysrq working in 2.2.12 kernel

Khimenko Victor (khim@sch57.msk.ru)
Mon, 7 Aug 2000 11:03:22 +0400 (MSD)

- Messages sorted by: [ date ][ thread ][ subject ][ author ]
- Next message: Khimenko Victor: "Re: usleep() (in)accuracy"
- Previous message: Khimenko Victor: "Re: limit number of subdirectoies"
- Maybe in reply to: Dave Cecil: "Can't get sysrq working in 2.2.12 kernel"
- Next in thread: Dave Cecil: "Re: Can't get sysrq working in 2.2.12 kernel"
- Reply: Dave Cecil: "Re: Can't get sysrq working in 2.2.12 kernel"

In <4.3.2.7.2.20000807163106.020c0b10@oils.ozy.dec.com> Dave Cecil (cecil@ozy.dec.com) wrote:
> I can't get sysrq working in the 2.2.12 kernel.

> I've established that handle_sysrq is not being called from handle_scancode
> in keyboard.c because sysrq_enabled is 0. Given that it's initialised to 1
> in sysrq.c, something is obviously changing it.

Initscripts, I think.

> The only place I've found that could change it is via kern_tble in
> sysctl.c, though I haven't done an extensive search. I admit to not
> spending the time to work out what the code in there is all about.

Yeah ? You not even know that sysctl variables are accessible via /proc/sys
(sysrq is /proc/sys/kernel/sysrq , for example).

> Can anyone tell me what or why that variable might be being zeroed?

I suppose your distribution clears it on boot for safety.

> I can only gather I'm doing something wrong, but I can't find anything in
> sysrq.txt or in the archives on the web.

Since it's distribution speciic issue it can not be in sysrq.txt for sure.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

- Next message: Khimenko Victor: "Re: usleep() (in)accuracy"
- Previous message: Khimenko Victor: "Re: limit number of subdirectoies"
- Maybe in reply to: Dave Cecil: "Can't get sysrq working in 2.2.12 kernel"
- Next in thread: Dave Cecil: "Re: Can't get sysrq working in 2.2.12 kernel"
- Reply: Dave Cecil: "Re: Can't get sysrq working in 2.2.12 kernel"