Re: speed-dreams-2.4.2: How to determine the cause of a SIGSEGV signal

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On 6/4/25 1:21 AM, Martin Gansser wrote:
I have now compiled locally again with only the following option:
   <<snip>>
$ export DEBUGINFOD_URLS="https://debuginfod.fedoraproject.org/";
$ gdb /usr/bin/speed-dreams-2

backtrace:
[1] https://martinkg.fedorapeople.org/ErrorReports/gdb.txt

Thread 1 "speed-dreams-2" received signal SIGSEGV, Segmentation fault.
0x00007fffad2267dc in ?? ()
Missing rpms, try: dnf --enablerepo='*debug*' install FreeSOLID-debuginfo-2.1.2-2.fc42.x86_64

Thread 1 (Thread 0x7ffff69b9fc0 (LWP 194386) "speed-dreams-2"):
#0  0x00007fffad2267dc in ??? ()
#1  0x00007fffffffdb60 in ??? ()
#2  0x00007ffff7a90592 in _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:4699
#3  __GI___libc_free (mem=<optimized out>) at malloc.c:3476
#4  0x00007fffad2268d5 in ??? ()
#5  0x00007fffffffdb70 in ??? ()
#6  0x000055555c639e70 in ??? ()
#7  0x00007fffffffdb90 in ??? ()
#8  0x00007fffad24fbb3 in ??? ()
#9  0x0000000000000000 in ??? ()

It would be nice to know about the "???" triple question marks.
These commands may provide some info on the page mappings:

   (gdb) info proc  ## Remember the process ID
   (gdb) shell cat /proc/PID/maps  ## substitute the process ID

It seems that you must substitute the numerical process ID by hand.
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