This is the mail archive of the
gdb@sourceware.org
mailing list for the GDB project.
Re: Multiple breakpoint issue when debugging loadable kernel module
- From: Jan Kratochvil <jan dot kratochvil at redhat dot com>
- To: Jan Kiszka <jan dot kiszka at web dot de>
- Cc: Tom Tromey <tromey at redhat dot com>, Vimal <j dot vimal at gmail dot com>, gdb at sourceware dot org
- Date: Tue, 1 Nov 2011 21:12:47 +0100
- 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> <m3aa8mb58w.fsf@fleche.redhat.com> <CAK3Ji109-gd-zHfYSW70XEubPuugW8KRD5o08z5Qfug+f0LSNQ@mail.gmail.com> <CAK3Ji13FeEtpsq80eAwsyQo+xxSyiyjhDQ=MKXniXJr-d1p2Fg@mail.gmail.com> <4EAED7DC.5030805@siemens.com> <m3y5w051d6.fsf@fleche.redhat.com> <4EB010D1.9050209@web.de>
On Tue, 01 Nov 2011 16:31:29 +0100, Jan Kiszka wrote:
> (gdb) b ieee80211_register_hw
> Breakpoint 1 at 0xffffffffa01b31a0: file
> /data/linux/net/mac80211/main.c, line 646.
> (gdb) l ieee80211_register_hw
> No line number known for ieee80211_register_hw.
It reminds me a binutils bug, maybe you could check your
/path/to/some/module.ko with readelf if it has its .debug_ranges right:
https://bugzilla.redhat.com/show_bug.cgi?id=714824#c6
Sure it also may be a completely different bug and it may really be in GDB.
Thanks,
Jan