Messages in this thread Patch in this message | | | Date | Fri, 30 Jul 1999 19:38:17 +0900 | From | Masahiro Adegawa <> | Subject | Re: SysRq key from serial console? |
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Thanks your response. Pardom me my late response.
Bernd Eckenfels <ecki@lina.inka.de> wrote: >In article <378DB38038.3ACEADEGAWA@mail.zerosoft.co.jp> you wrote: >> Hi, > >> Can we use SysRq key from serial console? > >we could use break.. i think it is mappable to SAK only.
Now,I'm using SysRq from KDB on a serial console.
--- linux-2.2.9-kdb/arch/i386/kdb/kdb.c Wed Jun 2 16:40:07 1999 +++ linux-2.2.9-ikb/arch/i386/kdb/kdb.c Wed Jul 21 14:46:44 1999 @@ -974,6 +974,22 @@ return kdbdumpregs(regs, argv[1], argv[2]); }
+#ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */ +int +kdb_sr(int argc, const char **argv, const char **envp, struct pt_regs *regs) +{ + /* + */ + + if (argc != 1) { + return KDB_ARGCOUNT; + } + handle_sysrq(*argv[1], regs, 0, 0); + + return 0; +} +#endif + /* * kdb_rm * @@ -1559,5 +1575,8 @@ #endif /* __SMP__ */ kdb_register("ps", kdb_ps, "", "Display active task list"); kdb_register("reboot", kdb_reboot, "", "Reboot the machine immediately"); +#ifdef CONFIG_MAGIC_SYSRQ + kdb_register("sr", kdb_sr, "<key>", "Magic SysRq key"); +#endif }
Masahiro Adegawa
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