[Bug 424810] [NEW] kernel log buffer to small...

Daniel J Blueman daniel.blueman at gmail.com
Sat Sep 5 12:56:17 UTC 2009


Public bug reported:

Binary package hint: linux-image

When debugging a kernel problem, after eg a 'echo t >/proc/sysrq-
trigger', the kernel log buffer simply overflows; 2^17 (128KB) is too
small.

Fix is to change kernel configuration from:
CONFIG_LOG_BUF_SHIFT=17

to:
CONFIG_LOG_BUF_SHIFT=18

This would help in particular cases where we're reliant on this
mechanism, for reporting/fixing kernel bugs.

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: Confirmed

** Changed in: linux-meta (Ubuntu)
       Status: New => Confirmed

-- 
kernel log buffer to small...
https://bugs.launchpad.net/bugs/424810
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