On Thu 2021-04-08 12:52:27, Stephen Boyd wrote:
> Quoting Petr Mladek (2021-04-08 03:13:20)
> > It helped with the vmlinux buildid. I see the following:
> >
> > [ 551.435942][ T1803] test_printf: loaded.
> > [ 551.436667][ T1803] [ cut here ]
> > [ 551.437561][ T1803]
Quoting Stephen Boyd (2021-04-08 12:52:27)
>
> Can you try this patch for x86? I'll dig up some hardware in the meantime.
>
It works for me backported to this 5.10 kernel running on this x86
device I found. I'll wait for you to confirm and then send the next
round.
CPU: 0 PID: 2719 Comm: bash
Quoting Petr Mladek (2021-04-08 03:13:20)
> It helped with the vmlinux buildid. I see the following:
>
> [ 551.435942][ T1803] test_printf: loaded.
> [ 551.436667][ T1803] [ cut here ]
> [ 551.437561][ T1803] kernel BUG at lib/test_printf.c:689!
> [ 551.438352][ T1803]
On Wed 2021-04-07 23:20:32, Stephen Boyd wrote:
> Quoting Petr Mladek (2021-04-07 07:03:19)
> > # readelf -Wn vmlinux-5.12.0-rc6-default+
> >
> > Displaying notes found in: .notes
> > Owner Data size Description
> > Xen 0x0006 Unknown note
Quoting Petr Mladek (2021-04-07 07:03:19)
> # readelf -Wn vmlinux-5.12.0-rc6-default+
>
> Displaying notes found in: .notes
> Owner Data size Description
> Xen 0x0006 Unknown note type: (0x0006)
> description data: 6c 69 6e 75 78 00
>
Quoting Petr Mladek (2021-04-07 06:42:38)
>
> I think that you need to use something like:
>
> #ifdef CONFIG_STACKTRACE_BUILD_ID
> #define BUILD_ID_FTM " %20phN"
> #define BUILD_ID_VAL vmlinux_build_id
> #else
> #define BUILD_ID_FTM "%s"
> #define BUILD_ID_VAL ""
> #endif
>
>
Quoting Petr Mladek (2021-04-07 07:03:19)
> On Tue 2021-03-30 20:05:11, Stephen Boyd wrote:
> > Add the running kernel's build ID[1] to the stacktrace information
> > header. This makes it simpler for developers to locate the vmlinux with
> > full debuginfo for a particular kernel stacktrace.
On Tue 2021-03-30 20:05:11, Stephen Boyd wrote:
> Add the running kernel's build ID[1] to the stacktrace information
> header. This makes it simpler for developers to locate the vmlinux with
> full debuginfo for a particular kernel stacktrace. Combined with
> scripts/decode_stracktrace.sh, a
On Tue 2021-03-30 20:05:11, Stephen Boyd wrote:
> Add the running kernel's build ID[1] to the stacktrace information
> header. This makes it simpler for developers to locate the vmlinux with
> full debuginfo for a particular kernel stacktrace. Combined with
> scripts/decode_stracktrace.sh, a
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