GNU bug report logs - #72692
Emacs 31.05 (40eecd594ac) get SIGSEGV on Linux (Linux 6.6.45 Kde Wayland)

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Package: emacs;

Reported by: Eval EXEC <execvy <at> gmail.com>

Date: Sun, 18 Aug 2024 08:31:01 UTC

Severity: normal

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

Full log

Message #17 received at 72692 <at> debbugs.gnu.org (full text, mbox):

From: execvy <at> gmail.com
To: Pip Cet <pipcet <at> protonmail.com>, 72692 <at> debbugs.gnu.org
Subject: Re: bug#72692: Emacs 31.05 (40eecd594ac) get SIGSEGV on Linux (Linux
 6.6.45 Kde Wayland)
Date: Sun, 18 Aug 2024 17:24:19 +0800

It's
```
(gdb) x/32gx (*(long *)&Vfontset_table - 5)
0x4de32f40:     0x00000000000000f3      0x00007f9ea734b695
0x4de32f50:     0x00000000028b8c65      0x00000000028bee1d
0x4de32f60:     0x00000000765a7d45      0x00000000765a7fad
0x4de32f70:     0x00000000765a83d5      0x00000000765a863d
0x4de32f80:     0x00000000765a88a5      0x00000000765a8d55
0x4de32f90:     0x00000000765a8fbd      0x00000000765a9225
0x4de32fa0:     0x00000000765a948d      0x00000000765a96f5
0x4de32fb0:     0x00000000765a995d      0x00000000765a9d65
0x4de32fc0:     0x00000000765a9fcd      0x00000000765aa235
0x4de32fd0:     0x00000000765aa49d      0x00000000765aa705
0x4de32fe0:     0x00000000765aa96d      0x00000000765aad75
0x4de32ff0:     0x00000000765aafdd      0x00000000765c2ce5
0x4de33000:     0x0000000002ab84d5      0x00000000765c4e15
0x4de33010:     0x00000000765dbf75      0x0000000000000000
0x4de33020:     0x0000000000000000      0x0000000000000000
0x4de33030:     0x0000000000000000      0x0000000000000000
(gdb)
```

Eval Exec

On 8/18/24 5:23 PM, Pip Cet <pipcet <at> protonmail.com> wrote:
> "Eval EXEC" <execvy <at> gmail.com> writes:
> 
> > I executed ```
> > (gdb) source /home/exec/Projects/git.savannah.gnu.org/git/emacs/src/.gdbinit
> > ......
> > Breakpoint 5 at 0x4736d9: file emacs.c, line 431.
> > Breakpoint 6 at 0x562640: file xterm.c, line 27093.
> > (gdb) pp Vfontset_table
> > Cannot access memory at address 0xc82684
> > (gdb)
> >
> > ```
> 
> Oh. Sorry about that, I guess we can't use pp without a live process.
> 
> Can you try:
> 
> (gdb) x/32gx (*(long *)&Vfontset_table - 5)
> 
> That should work even without debug symbols.
> 
> Pip
> 
>
This bug report was last modified 257 days ago.

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