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Re: Multiple breakpoint issue when debugging loadable kernel module

From: Tom Tromey <tromey at redhat dot com>
To: Jan Kiszka <jan dot kiszka at web dot de>
Cc: Vimal <j dot vimal at gmail dot com>, gdb at sourceware dot org
Date: Thu, 27 Oct 2011 13:31:59 -0600
Subject: Re: Multiple breakpoint issue when debugging loadable kernel module
References: <CAK3Ji13etC=V-mVsbTYLOrTa4ErgaCF8xd+QPU1gtDbngdJpZw@mail.gmail.com> <CAK3Ji13Vwh9ZBENNtBkuHfqww1=OhcUGKeCWwgYVmT++a5c4UQ@mail.gmail.com> <4EA89365.2010807@web.de>

>>>>> "Jan" == Jan Kiszka <jan.kiszka@web.de> writes:

Jan> At least it is a critical one as it makes kernel module debugging nearly
Jan> impossible. I'm preparing a LinuxCon talk about how cool kernel
Jan> debugging with gdb and qemu can be - looks like I have to skip this
Jan> part... ;)

Well, we can't let that happen.

Jan> If there is anything to be done that could help analyzing the issue,
Jan> please let us know.

A recipe to reproduce the bug.  I know nothing about the kernel, so if
it requires extensive setup, precise instructions would be best.

We've been poking at it a bit on irc but, aside from a lot of weird and
inexplicable gdb behavior, we haven't seen anything too useful.

Tom

Follow-Ups:
- Re: Multiple breakpoint issue when debugging loadable kernel module
  - From: Vimal

References:
- Multiple breakpoint issue when debugging loadable kernel module
  - From: Vimal
- Re: Multiple breakpoint issue when debugging loadable kernel module
  - From: Vimal
- Re: Multiple breakpoint issue when debugging loadable kernel module
  - From: Jan Kiszka

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