On Tue, Aug 09, 2022 at 10:29:41AM -0400, Nick Holland wrote: > On 8/9/22 09:36, Jonathan Gray wrote: > > On Sat, Aug 06, 2022 at 10:28:06AM -0400, Nick Holland wrote: > > > > When looking at top what does Xorg have for WAIT? > > > > > > PID USERNAME PRI NICE SIZE RES STATE WAIT TIME CPU > > > COMMAND > > > 41914 _x11 -22 -1 15M 26M idle schto 0:01 0.00% Xorg > > > > > > > this will run X with the older Mesa driver > > > > MESA_LOADER_DRIVER_OVERRIDE=i965 startx > > > > does that change anything? > > > > > > Changes a little. > > > X doesn't work, same WAIT, same blank screen. > > > BUT... a "reboot" (via ssh) is actually successful(!). > > > > Do you still see that when disabling acceleration? > > > > before starting X create a /etc/X11/xorg.conf with: > > > > Section "Device" > > Identifier "Intel device" > > Driver "modesetting" > > Option "AccelMethod" "none" > > EndSection > > WORKS! > > Also works running xenodm. Probably not a surprise.
a long shot but does this change anything if you move away xorg.conf errata described in https://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/pentium-celeron-n-series-j-series-datasheet-spec-update.pdf Index: sys/arch/amd64/amd64/cpu.c =================================================================== RCS file: /cvs/src/sys/arch/amd64/amd64/cpu.c,v retrieving revision 1.157 diff -u -p -r1.157 cpu.c --- sys/arch/amd64/amd64/cpu.c 7 Aug 2022 23:56:06 -0000 1.157 +++ sys/arch/amd64/amd64/cpu.c 10 Aug 2022 04:04:14 -0000 @@ -465,6 +465,11 @@ cpu_init_mwait(struct cpu_softc *sc) if ((cpu_ecxfeature & CPUIDECX_MWAIT) == 0 || cpuid_level < 0x5) return; + /* APL30 A Store Instruction May Not Wake up MWAIT */ + if (strcmp(cpu_vendor, "GenuineIntel") == 0 && + curcpu()->ci_family == 6 && curcpu()->ci_model == 0x5c) + return; + /* get the monitor granularity */ CPUID(0x5, smallest, largest, extensions, cpu_mwait_states); smallest &= 0xffff;
