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[Bug breakpoints/15761] tracepoint with Linux kernel stub auto be set to disable
- From: "teawater at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Sat, 20 Jul 2013 07:56:09 +0000
- Subject: [Bug breakpoints/15761] tracepoint with Linux kernel stub auto be set to disable
- Auto-submitted: auto-generated
- References: <bug-15761-4717 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=15761
--- Comment #6 from teawater <teawater at gmail dot com> ---
(In reply to Yao Qi from comment #5)
> (In reply to teawater from comment #4)
> > (In reply to Yao Qi from comment #3)
> > > (In reply to teawater from comment #2)
> > > > 1. To reproduce this issue.
> > > > GDB need to connect to a target first. I tried KGTP and QEMU.
> > > >
> > > > 2. I cannot reproduce this issue with breakpoint.
> > >
> > > OK, then, please attach kernel 3.2.0-49-generic, and list the steps to
> > > reproduce on QEMU.
> >
> > Are you kidding?
> > ls -alh /usr/lib/debug/boot/vmlinux-$(uname -r)
> > -rw-r--r-- 1 root root 143M Jun 19 02:21
> > /usr/lib/debug/boot/vmlinux-3.2.0-49-generic
>
> OK, I'll look for it somewhere else.
You can get it with:
wget http://ddebs.ubuntu.com/pool/main/l/linux/linux-image-$(uname
-r)-dbgsym_$(dpkg -s linux-image-$(uname -r) | grep ^Version: | sed 's/Version:
//')_$(uname -i | sed 's/x86_64/amd64/').ddeb
But I think just reproduce this kernel and qemu is a little hard for you.
Because all of them are for Ubuntu. You also need find kernel bzImage to let
it execution in qemu. Maybe you still need setup a filesystem.
And if I remember is right, your are using a fedora 17. Maybe its kernel is
not really new that can reproduce this issue with KGTP.
You can try KGTP with https://code.google.com/p/kgtp/wiki/HOWTOCN#Fedora
https://code.google.com/p/kgtp/wiki/HOWTO#Fedora.
Thanks,
Hui
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