On 11.10.2018 14:59, Roman Iten wrote: > On 10/10/18 11:11 AM, Alexander Boettcher wrote: >> I suspect your embedded controller together with ACPI irq handling, but >> it is just guessing. > > The freeze occurs on the XPS 13 9350 but not on the newer model 9370. > And now that I know how to avoid the problem, it isn't a very pressing > issue for me anymore. But if you suspect other devices might have a > similar problem, I'm in for helping investigate.
Well, without any debug output... If you manage to provide it, we may continue - otherwise I would spend my/your time more gainful. >> I presume you don't have serial output available? > > No, unfortunately I haven't. > >> May you please try some simple (non graphical) run scenario (usb_hid). >> If this also already get stuck when you press your keys, can you please >> setup the nova spinner setup for the nova kernel, see [0]. You will have >> to boot in non-UEFI mode (either USB or if not working try via PXE). > > The usb_hid run scenario doesn't get stuck when booting in non-UEFI > mode. I'm using the very convenient vga_log_drv (thanks to Johannes > Kliemann!) the get an impression of the liveliness of the system - for > reference see [1] and [2]. I hoped you can reproduce it without UEFI - well in this case I have no good suggestions. > > Out of curiosity I also tried to boot Sculpt in non-UEFI mode. The > system doesn't freeze when pressing FN+F11/F12 but the display > brightness decreases/increases instead. > > So I guess the next step is to boot in UEFI mode with VGA log output > enabled and setup the nova spinner? AFAIK, there is no support for VGA text console by UEFI booted systems, so probably this is a dead end. Cheers, -- Alexander Boettcher Genode Labs https://www.genode-labs.com - https://www.genode.org Genode Labs GmbH - Amtsgericht Dresden - HRB 28424 - Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth
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