lkml.org 
[lkml]   [2022]   [Jul]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: faddr2line issue
On Tue, Jul 19, 2022 at 04:24:42PM +0100, John Garry wrote:
> On 14/07/2022 17:41, Josh Poimboeuf wrote:
> > On Thu, Jul 14, 2022 at 10:57:51AM +0100, John Garry wrote:
> > > On 08/07/2022 15:47, John Garry wrote:
> > >
> > > +
> > >
> > > JFYI, This issue is caused by CONFIG_DEBUG_INFO now being default off in my
> > > .config from commit f9b3cd245784 ("Kconfig.debug: make DEBUG_INFO selectable
> > > from a choice").
> > >
> > > By enabling that config faddr2line now looks ok again.
> > >
> > > BTW, Could we add a check for any kernel dependency in this tool?
> > Hi John,
> >
> > The script doesn't know how to reliably find the .config file, but it
> > should be able to check for missing DWARF in the binary itself.
>
> Hi Josh,
>
> So adding config DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT to v5.19-rc2 got it
> working again for me on arm64. However commit dcea997beed6 ("faddr2line: Fix
> overlapping text section failures, the sequel") seems to be broken for me,
> below - this first appeared in rc3. Any idea what the issue could be?
>
> $./faddr.sh hisi_sas_sata_done+0x8/0x38
> hisi_sas_sata_done+0x8/0x38:
> fs mm ??:0

Hm, what does faddr.sh do? Does addr2line also fail?

Can you run

bash -x scripts/faddr2line <vmlinux or .ko file> hisi_sas_sata_done+0x8/0x38

and share the output?

--
Josh

\
 
 \ /
  Last update: 2022-07-20 02:08    [W:0.086 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site