Re: [scratch/igc] 985247b6bee crash on Linux, KDE, Wayland

[Eval EXEC <execvy@gmail.com>]

Pip Cet <pipcet@protonmail.com> writes:

> "Eval EXEC" <execvy@gmail.com> writes:
>
>>> Thanks, and sorry you're seeing so many crashes.  It's stable here, so
>>> we're going to need your help debugging this :-)
>>
>> Thanks for the update. No problem. I'm really happy to debug with you all.
>> 全世界 Emacs  用户联合起来， Make Emacs Great Again!
>
> That's great :-)
>
>>> Did you use any special options or patches when building mps (link time
>>> optimization or -O3, in particular)?
>>
>> No special options or patches
>
>>> This is the cons cell itself (the IGC header is what "cons" points to).
>>>
>>> Please also run
>>>
>>> (gdb) x/64gx 0x7f08addd0600
>> It's
>> (gdb) x/64gx 0x7f08addd0600
>> 0x7f08addd0600: 0x00007f08addd063b      0x00000003df45210d
>> 0x7f08addd0610: 0x0000000000000000      0x00007f08addd0653
>> 0x7f08addd0620: 0x00000003df45240d      0x0000000000012638
>
> We need to look up a few builtin symbols: 0x12638 is the first one,
> corresponding to symbol index 1345.
>
>> 0x7f08addd0630: 0x00007f08addd066b      0x00000003df44f80d
>> 0x7f08addd0640: 0x0000000000000000      0x00007f08addd0683
>> 0x7f08addd0650: 0x00000003df45220d      0x000000000000a5d0
>
> 0xa5d0 is the next one, and that's index 758.
>
>> 0x7f08addd0660: 0x00007f08addd069b      0x00000003df45250d
>> 0x7f08addd0670: 0x0000000000000038      0x00007f08addd06b3
>
> 0x38 is t.
>
>> 0x7f08addd0680: 0x00000003df44f90d      0x000000000000a5d0
>> 0x7f08addd0690: 0x00007f08addd06cb      0x00000003df45230d
>> 0x7f08addd06a0: 0x00007f08addd06e3      0x0000000000000000
>> 0x7f08addd06b0: 0x00000003df45260d      0x00007f0889546b70
>> 0x7f08addd06c0: 0x00007f08936d87d3      0x00000003df44fa0d
>> 0x7f08addd06d0: 0x00007f08936ceb33      0x0000000000000000
>> 0x7f08addd06e0: 0x00000003df44e70d      0x0000000000001538
>
> 0x1538 is the last one, and that's index 97.
>
> In gdb, can you run
>
> (gdb) print defsym_name[97]
> (gdb) print defsym_name[758]
> (gdb) print defsym_name[1345]
>
> to see which symbol corresponds to each index?
>
> Thanks!
>
> Pip
It's
(gdb) print defsym_name[97]
$9 = <optimized out>
(gdb) print defsym_name[758]
$10 = <optimized out>
(gdb) print defsym_name[1345]
$11 = <optimized out>

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