On Fri, Feb 16, 2018 at 01:11:20PM +0100, Marek Vasut wrote:
> On 02/16/2018 11:47 AM, Andreas Boll wrote:
> > On Thu, Feb 15, 2018 at 09:54:43AM +0100, Marek Vasut wrote:
> >> Package: xserver-xorg-core
> >> Version: 2:1.19.6-1
> >>
> >> After update from 2:1.19.5-1 crashes with
> >>
> >> (EE) Backtrace:
> >> (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4d) [0x555939ea4e3d]
> >> (EE) 1: /usr/lib/xorg/Xorg (0x555939ced000+0x1bbbd9) [0x555939ea8bd9]
> >> (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f3fc30fa000+0x12180)
> >> [0x7f3fc310c180]
> >> (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0x110) [0x7f3fc2d786a0]
> >> (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (abort+0x1c7) [0x7f3fc2d79cf7]
> >> (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3fc2d44000+0x76f87)
> >> [0x7f3fc2dbaf87]
> >> (EE) 6: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3fc2d44000+0x7d27a)
> >> [0x7f3fc2dc127a]
> >> (EE) 7: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3fc2d44000+0x7efdc)
> >> [0x7f3fc2dc2fdc]
> >> (EE) 8: /usr/lib/xorg/Xorg (PanoramiXCreateConnectionBlock+0x22d)
> >> [0x555939deaeed]
> >> (EE) 9: /usr/lib/xorg/Xorg (0x555939ced000+0x56d79) [0x555939d43d79]
> >> (EE) 10: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xea)
> >> [0x7f3fc2d64f2a]
> >> (EE) 11: /usr/lib/xorg/Xorg (_start+0x2a) [0x555939d2da3a]
> >> (EE)
> >> (EE)
> >> error:
> >> (EE) Caught signal 6 (Aborted). Server aborting
> >>
> >> Note that this did not crash in 1.19.5-1 and compiling this tag from
> >> debian xorg git makes the X11 work again, so something changed between
> >> those two revisions -- 1.19.5-1 and 1.19.6-1 .

The biggest change between those revisions is the new upstream
xorg-server release 1.19.6. [1]

> >>
> > Please report this upstream at
> > https://bugs.freedesktop.org/enter_bug.cgi?product=xorg&component=Server%2FExt%2FXinerama
> > and let us know the bug number for tracking.
> 
> But this is a bug in the debian-patched X11 packages ?

It's most likely a bug introduced with the new upstream release.
There's only one newly added Debian-only patch
(07-glx-do-not-pick-srgb-config-for-32bit-rgba-visual.diff). All the
other changes documented in debian/changelog are packaging related
changes. You could try to disable this patch by commenting the patch
in the debian/patches/series file and rebuilding xorg-server. Though I
don't think your issue is caused by this patch.

Thanks,
Andreas

[1] https://lists.x.org/archives/xorg-announce/2017-December/002830.html

> 
> -- 
> Best regards,
> Marek Vasut

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