linux-kernel - Re: Issue using faddr2line on kernel modules

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Date:   Fri, 11 Feb 2022 09:01:38 +0530
From:   Kaiwan N Billimoria <kaiwan.billimoria@...il.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Chi-Thanh Hoang <chithanh.hoang@...il.com>
Subject: Re: Issue using faddr2line on kernel modules

It works !

$ .../linux-5.10.60/scripts/faddr2line ./oops_tryv2.ko do_the_work+0x124
do_the_work+0x124/0x15e:
do_the_work at .../oops_tryv2.c:62
$

Will you now upstream this patch?

Thanks!

On Mon, Feb 7, 2022 at 7:53 AM Kaiwan N Billimoria
<kaiwan.billimoria@...il.com> wrote:
>
> On Mon, Feb 7, 2022 at 1:59 AM Josh Poimboeuf <jpoimboe@...hat.com> wrote:
> >
> > On Fri, Jan 21, 2022 at 01:35:13AM +0530, Kaiwan N Billimoria wrote:
> > > > Try this one?
> > >
> > > Definitely better !
> > > This is the o/p i now get:
> > >
> > > $ <...>linux-5.10.60/scripts/faddr2line ./oops_tryv2.ko
> > > do_the_work.cold+0x68/0x126
> > > do_the_work.cold+0x68/0x126:
> > > delay_sec at <...>/oops_tryv2/../../convenient.h:279
> > > $
> > >
> > > The source file+line-no doesn't show up here though... (as it's a foo.cold()?).
> > > (I'm unsure why the line delay_sec at <...>convenient.h:279   shows up
> > > ; i don't call this delay_sec() func directly... anyway, that's my
> > > problem.)
> >
> > Hm... do you get the same result with addr2line?
>
> addr2line works correctly.
> And, so does the patched faddr2line, when i tried it out now on
> another VM! Lemme check some more and get back, thanks.
> - Kaiwan.
> >
> >
> > --
> > Josh
> >