Debugging crashes when backtrace is not useful

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* Debugging crashes when backtrace is not useful
@ 2024-05-20 19:03 Eli Zaretskii
  2024-05-20 19:28 ` Hannes Domani
  0 siblings, 1 reply; 2+ messages in thread
From: Eli Zaretskii @ 2024-05-20 19:03 UTC (permalink / raw)
  To: gdb

Hi,

An Emacs user on Windows reported frequent crashes, but when run from
GDB, the relevant thread shows backtrace of zero:

    (gdb) bt
    #0  0x0000000000000000 in ?? ()
    #1  0x0000000000000000 in ?? ()

What can be done to try to understand what code produces this, and
why?

TIA

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: Debugging crashes when backtrace is not useful
  2024-05-20 19:03 Debugging crashes when backtrace is not useful Eli Zaretskii
@ 2024-05-20 19:28 ` Hannes Domani
  0 siblings, 0 replies; 2+ messages in thread
From: Hannes Domani @ 2024-05-20 19:28 UTC (permalink / raw)
  To: gdb, Eli Zaretskii

 Am Montag, 20. Mai 2024 um 21:03:55 MESZ hat Eli Zaretskii via Gdb <gdb@sourceware.org> Folgendes geschrieben:

> Hi,
>
> An Emacs user on Windows reported frequent crashes, but when run from
> GDB, the relevant thread shows backtrace of zero:
>
>     (gdb) bt
>     #0  0x0000000000000000 in ?? ()
>     #1  0x0000000000000000 in ?? ()
>
> What can be done to try to understand what code produces this, and
> why?
>
> TIA

Looks like it could have been this bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=30255

Did they try with gdb-14, which has this one fixed?


Hannes

^ permalink raw reply	[flat|nested] 2+ messages in thread

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