On Tue, Aug 02, 2022 at 08:56:09PM +1000, Jonathan Gray wrote: Hello Jonathan,
>> I'm also starting to understand a bit more about some of the random panics: >> they seem to happen very soon after X starts. Sometimes the mouse appears as >> a two inch square of weird colours (!) -- things only last for a few seconds >> after that. Only once have I got a visible panic out of this which said >> solely: >> >> uvm_fault(0xffffffff822f0400, 0xfff80001660014, 0, 1) -> e >> drm: Global state not read locked >> drm: Global state not read locked >> >> That particular panic was on my custom compiled kernel, not the most recent >> snapshot. > I don't see panics on a thinkpad with the same i7-1260P cpu > > Does this change help? > > drm/i915/adlp: Fix register corruption after DDI clock enabling > > From Imre Deak > 59207e63801fbcd39ca68df6e2ba5ae90f76c0c3 in mainline linux > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=59207e63801fbcd39ca68df6e2ba5ae90f76c0c3 A kernel with this patch has now survived 10 reboots (previously I was getting a panic perhaps 1 time in 3), so I think it's quite likely that the effect is real. Thanks! Laurie
