Date: Mon, 27 Mar 2023 14:05:35 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Shane Ambler <FreeBSD@ShaneWare.Biz> Cc: Mathias Picker <Mathias.Picker@virtual-earth.de>, FreeBSD-STABLE <freebsd-stable@freebsd.org> Subject: Re: -stable from today dumps core with drm-510-kmod and some graphical clients Message-ID: <20230327210535.9ED5A1D7@slippy.cwsent.com> In-Reply-To: <8b47d0a4-a8f1-1841-ee59-3949fe69cbd7@ShaneWare.Biz> References: <86o7og27eh.fsf@virtual-earth.de> <8b47d0a4-a8f1-1841-ee59-3949fe69cbd7@ShaneWare.Biz>
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In message <8b47d0a4-a8f1-1841-ee59-3949fe69cbd7@ShaneWare.Biz>, Shane Ambler w rites: > On 26/3/23 01:37, Mathias Picker wrote: > > > > Starting sddm works fine, starting my normal session crashes or freezes > > FreeBSD. > > > > I can find no error messages after a reboot. > > > > I found out, that I can start xterm or emacs (exwm) without problems, > > xrandr works with external screen, but once I start anything more > > demanding (I guess demanding of the GPU) everything freezes or FreeBSD > > even reboots. > > > > “Demanding” means even simple things like qterminal. I tried firefox an > d > > blender and then I had it with the reboots and didn’t try anything else. > > xedit works fine :) > > > > I have nothing in the logs, I have no idea where to look or how to debug > > this. > > > > Any ideas, tipps, help greatly apreciated. > > > FreeBSD Developers Handbook Chapter 10: Kernel Debugging > > https://docs.freebsd.org/en/books/developers-handbook/kerneldebug/ > > Running stable, kernel dumps may already be enabled, look in /var/crash > > By enabling a kernel dump when it panics (dumpdev="AUTO" in rc.conf) the > kernel core is saved to swap space, then on reboot gets copied to > dumpdir (/var/crash) where you can then use kgdb (from devel/gdb) to get > a stack trace to find where the panic happened. drm-*-kmod probably needs a rebuild. Likely a data structure changed. In my experience a simple rebuild of the port solves 90% of drm-*-kmod crash problems. -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org NTP: <cy@nwtime.org> Web: https://nwtime.org e^(i*pi)+1=0
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