xinerama segfault xserver 1.20.8

[DJ Coertzen]

On Fri, Aug 14, 2020 at 9:38 AM DJ Coertzen <patrolliekaptein at gmail.com>
wrote:

> Hi there,
>
> Running xserver 1.20.8 with 2x nvidia GT1050ti cards, native driver
> compiled.
>
> Xorg segfaults when i turn on xinerama.
>
> nvidia driver version: 450.57
>
> uname -a Linux boeretroos 5.8.0-1-default #1 SMP Tue Aug 4 07:30:59 UTC
> 2020 (9bc0044) x86_64 x86_64 x86_64 GNU/Linux
>
> from xlog:
> [  3948.837] (II) Initializing extension NV-CONTROL
> [  3949.008] (EE)
> [  3949.008] (EE) Backtrace:
> [  3949.008] (EE) 0: X (xorg_backtrace+0x7d) [0x55f60a5a024d]
> [  3949.008] (EE) 1: X (0x55f60a3e8000+0x1bbf45) [0x55f60a5a3f45]
> [  3949.008] (EE) 2: /lib64/libpthread.so.0 (0x7fadbf178000+0x14260)
> [0x7fadbf18c260]
> [  3949.008] (EE) 3: /lib64/libc.so.6 (gsignal+0x141) [0x7fadbefed4b1]
> [  3949.008] (EE) 4: /lib64/libc.so.6 (abort+0x123) [0x7fadbefd6539]
> [  3949.008] (EE) 5: /lib64/libc.so.6 (0x7fadbefb1000+0x25411)
> [0x7fadbefd6411]
> [  3949.008] (EE) 6: /lib64/libc.so.6 (0x7fadbefb1000+0x349e2)
> [0x7fadbefe59e2]
> [  3949.008] (EE) 7: X (0x55f60a3e8000+0x9c575) [0x55f60a484575]
> [  3949.008] (EE) 8: X (0x55f60a3e8000+0x9ce18) [0x55f60a484e18]
> [  3949.008] (EE) 9: X (_CallCallbacks+0x34) [0x55f60a4493d4]
> [  3949.008] (EE) 10: X (0x55f60a3e8000+0x60080) [0x55f60a448080]
> [  3949.008] (EE) 11: /lib64/libc.so.6 (__libc_start_main+0xea)
> [0x7fadbefd7cca]
> [  3949.008] (EE) 12: X (_start+0x2a) [0x55f60a43185a]
> [  3949.008] (EE)
> [  3949.008] (EE)
> Fatal server error:
> [  3949.008] (EE) Caught signal 6 (Aborted). Server aborting
>

>
Just so you know, using the nouveau driver crashes with the exact same dump
when turning on xinerama:

[   215.414] (II) Module nouveau: vendor="X.Org Foundation"
[   215.414]    compiled for 1.20.8, module version = 1.0.16
[   215.414]    Module class: X.Org Video Driver
[   215.414]    ABI class: X.Org Video Driver, version 24.1

Dumped:

[   216.461] (II) NOUVEAU(0): NVEnterVT is called.
[   216.582] (II) NOUVEAU(1): NVEnterVT is called.
[   216.738] (EE)
[   216.738] (EE) Backtrace:
[   216.738] (EE) 0: X (xorg_backtrace+0x7d) [0x5579e99cd24d]
[   216.738] (EE) 1: X (0x5579e9815000+0x1bbf45) [0x5579e99d0f45]
[   216.738] (EE) 2: /lib64/libpthread.so.0 (0x7fe2ef003000+0x14260)
[0x7fe2ef017260]
[   216.738] (EE) 3: /lib64/libc.so.6 (gsignal+0x141) [0x7fe2eee784b1]
[   216.738] (EE) 4: /lib64/libc.so.6 (abort+0x123) [0x7fe2eee61539]
[   216.738] (EE) 5: /lib64/libc.so.6 (0x7fe2eee3c000+0x25411)
[0x7fe2eee61411]
[   216.738] (EE) 6: /lib64/libc.so.6 (0x7fe2eee3c000+0x349e2)
[0x7fe2eee709e2]
[   216.738] (EE) 7: X (0x5579e9815000+0x9c575) [0x5579e98b1575]
[   216.738] (EE) 8: X (0x5579e9815000+0x9ce18) [0x5579e98b1e18]
[   216.738] (EE) 9: X (_CallCallbacks+0x34) [0x5579e98763d4]
[   216.738] (EE) 10: X (0x5579e9815000+0x60080) [0x5579e9875080]
[   216.738] (EE) 11: /lib64/libc.so.6 (__libc_start_main+0xea)
[0x7fe2eee62cca]
[   216.738] (EE) 12: X (_start+0x2a) [0x5579e985e85a]
[   216.738] (EE)
[   216.738] (EE)
Fatal server error:
[   216.738] (EE) Caught signal 6 (Aborted). Server aborting
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