On 10/5/18 6:34 PM, Graham Perrin wrote: > On 23/09/2018 08:09, Graham Perrin wrote: > >> Re: Suspend, resume, UEFI, CSM, drm-stable-kmod and drm-next-kmod with Radeon HD 7570M >> … better without drm-next-kmod; and (as expected, given the package message) drm-stable-kmod has known problems with UEFI. > Now (with r339186) it seems that drm-next-kmod is the only usable option. > > However, I'm sorry to say: > > - it does feel regressive, compared to working without drm-next-kmod with earlier versions of -CURRENT. > > I can no longer find a way to reliably suspend (sleep) the notebook. hey Graham - I'm struggling with suspend/resume issues as well on my end with recent 12-ALPHA releases. can you verify that you can suspend/resume without loading the radeonkms.ko (i believe that is what you are using for gfx)? on my systems it's broken regardless if i load the drm modules. also, what was the last version of CURRENT you were able to suspend/resume with? > At the time of writing my part-working configuration is as outlined below. > > However – frustratingly – for a while, an hour or so ago, it seemed as if the same configuration was useless; after a point, the screen would go blank (grey) and things would progress no further e.g. no login manager (sddm); no response to Control-Alt-F2; no response to Control-Alt-Delete. The apparent unpredictability leading to a dead-end situation has created a sense of unease; now I'm genuinely afraid to test suspend :-( i believe johannes lundberg is working on a fix for this issue. i'm in the same uneasy situation as you. the system i use for dogfooding is also my main work laptop, and not having suspend/resume and other instability like this is certainly not ideal. one potential fix workaround we've found is to not load the module via "kld_list" but rather load it by hand via "kldload" manually. i believe the bug is in relation to how the BIOS allocates memory - i'll let him fill in details :) for me at least it looks like system instability when loading drm-next kernels is separate from suspend/resume. but its certainly possible my laptop is a snowflake :p hope this helps. -pete -- Pete Wright pete_at_nomadlogic.org _at_nomadlogicLAReceived on Sat Oct 06 2018 - 01:16:08 UTC
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