git.openpandora.org
/
pandora-kernel.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
[NET]: Add memory barrrier to netif_poll_enable()
[pandora-kernel.git]
/
Documentation
/
oops-tracing.txt
diff --git
a/Documentation/oops-tracing.txt
b/Documentation/oops-tracing.txt
index
9f30ac6
..
2503404
100644
(file)
--- a/
Documentation/oops-tracing.txt
+++ b/
Documentation/oops-tracing.txt
@@
-32,17
+32,18
@@
the disk is not available then you have three options :-
has restarted. Messy but it is the only option if you have not
planned for a crash. Alternatively, you can take a picture of
the screen with a digital camera - not nice, but better than
has restarted. Messy but it is the only option if you have not
planned for a crash. Alternatively, you can take a picture of
the screen with a digital camera - not nice, but better than
- nothing.
+ nothing. If the messages scroll off the top of the console, you
+ may find that booting with a higher resolution (eg, vga=791)
+ will allow you to read more of the text. (Caveat: This needs vesafb,
+ so won't help for 'early' oopses)
(2) Boot with a serial console (see Documentation/serial-console.txt),
run a null modem to a second machine and capture the output there
using your favourite communication program. Minicom works well.
(2) Boot with a serial console (see Documentation/serial-console.txt),
run a null modem to a second machine and capture the output there
using your favourite communication program. Minicom works well.
-(3) Patch the kernel with one of the crash dump patches. These save
- data to a floppy disk or video rom or a swap partition. None of
- these are standard kernel patches so you have to find and apply
- them yourself. Search kernel archives for kmsgdump, lkcd and
- oops+smram.
+(3) Use Kdump (see Documentation/kdump/kdump.txt),
+ extract the kernel ring buffer from old memory with using dmesg
+ gdbmacro in Documentation/kdump/gdbmacros.txt.
Full Information
Full Information