Re: Current Git: BUG: unable to handle kernel paging request at 0000000001a40ca0

From: Dieter Ries
Date: Wed Jul 23 2008 - 17:53:53 EST

Dieter Ries schrieb:
Vegard Nossum schrieb:


Dieter: If this is reproducible, it would probably help quite a bit to
configure the kernel with CONFIG_SLUB_DEBUG and boot with
slub_debug=FZPUT (unless you already have CONFIG_SLUB_DEBUG_ON set, in
which case you are already running with the SLUB debugging at boot).
It might catch the corruption before it becomes fatal, or give us some
more clues anyway.

I tried to bisect the bug, which failed because there were too many kernels not booting with other problems, I guess bisecting just fails in the merge window.

With CONFIG_SLUB_DEBUG_ON the output looks different, unfortunately netconsole stops before those are transmitted.

As there are always some lines about e1000 in the backtraces, I tried to boot without LAN cable connected, and it worked, and crashed afterwards when I plugged the cable in, with a bug in net/core/dev.c.

I will search on tomorrow, as it is getting quite late now.

Should I copy the messages with CONFIG_SLUB_DEBUG_ON by hand, or are just some parts important?

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