[mythtv-users] Floating point exception in mythbackend

Stephen Worthington stephen_agent at jsw.gen.nz
Wed Dec 27 01:39:47 UTC 2023


On Tue, 26 Dec 2023 16:14:44 -0500, you wrote:

>mythtv-backend/jammy,now 2:34.0~master.202312242252.4f10629ff3~ubuntu22.04.1
>libmythtv-perl/jammy,jammy,now 
>2:34.0~master.202312242252.4f10629ff3~ubuntu22.04.1
>/etc/os-release: VERSION="22.04.3 LTS (Jammy Jellyfish)"
>
>I hadn't updated my mythtv packages since last May. I updated yesterday 
>using the repository at http://ppa.launchpad.net/mythbuntu/34/ubuntu 
>(version updated to above) and when I run mythbackend now I get a 
>floating point exception (in gdb):
>
>2023-12-26 15:52:32.840003 I  MainServer: adding: mythtv(555555dfb300) 
>as a client (events: 1)
>
>Thread 6 "TVRecEvent" received signal SIGFPE, Arithmetic exception.
>[Switching to Thread 0x7fffe27fe640 (LWP 69577)]
>0x00007ffff7969d14 in ?? () from /lib/libmythtv-34.so.34
>(gdb) where
>#0  0x00007ffff7969d14 in ?? () from /lib/libmythtv-34.so.34
>#1  0x00007ffff79bffb8 in TVRec::run() () from /lib/libmythtv-34.so.34
>#2  0x00007ffff6e997a3 in ?? () from /lib/libmythbase-34.so.34
>#3  0x00007ffff58ccca1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
>#4  0x00007ffff5094ac3 in start_thread (arg=<optimized out>) at 
>./nptl/pthread_create.c:442
>#5  0x00007ffff5126660 in clone3 () at 
>../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
>(gdb) quit
>
>Is this a known problem? I don't have a mythbackend with symbols 
>unfortunately.

v34 is the master (development) version.  The latest stable release
version is v33.1.  So were you really wanting to use the master
version, which is subject to changes and bugs while under development?


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