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kmsgdump : a Kernel Messages Dumper used to save oopses and panics for further analysis
KMSGDUMP is an extension to the Linux kernel which allows the user on the
console to dump the last kernel messages onto a floppy diskette, thus
avoiding to take a pen and a paper to copy them when the system is stuck.
Only 3"1/2, 1.44 MB diskettes are supported by default. Other capacities
might work, provided you change the geometry in the file "kmsgdump.h".
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| Initial date: | 1999/12/11 |
| Last update: | 2004/03/28 |
| Description: | a Kernel Messages Dumper used to save oopses and panics for further analysis |
| Author(s): | Willy Tarreau |
| Abstract: | KMSGDUMP is an extension to the Linux kernel which allows the user on the
console to dump the last kernel messages onto a floppy diskette, thus
avoiding to take a pen and a paper to copy them when the system is stuck.
Only 3"1/2, 1.44 MB diskettes are supported by default. Other capacities
might work, provided you change the geometry in the file "kmsgdump.h".
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Notes
Several dump options are available : floppy disk, screen, parallel printer.
The trace can be triggered by a kernel panic or by pressing SysRq+D, or even
by echoing 'd' to /proc/sysrq-trigger. Please consult documentation for more
information.
Randy Dunlap has ported the patch to 2.5/2.6. Please consult the links below.
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(C) Willy Tarreau - 2008-06-01