On Wed, Jul 25, 2018 at 10:33:48PM +0100, Stuart Henderson wrote: > On 2018/07/25 22:57, Alexandre Ratchov wrote: > > On Wed, Jul 25, 2018 at 05:10:05PM +0100, Stuart Henderson wrote: > > > On 2018/07/25 15:26, Alexandre Ratchov wrote: > > > > On Wed, Jul 25, 2018 at 11:56:04AM +0100, Stuart Henderson wrote: > > > > > On 2018/07/25 12:00, Antoine Jacoutot wrote: > > > > > > > I see the exact same issue as you do. > > > > > > > I'll try with s/modesetting/intel and see if it improves things. > > > > > > > > > > > > OK I can already confirm this "fixes" the issue for me. > > > > > > > > > > It's been up for long enough now that I agree. > > > > > > > > > > For anyone else running into this, here is the xorg.conf stanza to > > > > > switch (no other entries are needed in the file). > > > > > > > > > > Section "Device" > > > > > Identifier "Intel Graphics" > > > > > Driver "intel" > > > > > EndSection > > > > > > > > > > > > > Do you remember if the problem occurs with the modesetting driver if > > > > you disable acceleration, ie you add: > > > > > > > > Option "AccelMethod" "none" > > > > > > > > to the "Device" section? > > > > > > > > > > I hadn't tried that before. I just gave it a go, didn't see any freezes, > > > but browser rendering was so slow as to be useless - Firefox took about > > > 10 minutes to get to a state where I could interact with it (didn't help > > > that the saved open tab was a complex map I suppose) and ~30 seconds to > > > react to anything. chromium wasn't quite as bad, but I couldn't live > > > with it. > > > > This is strange, firefox starts almost immediately on both of my > > machines (~1.5s on the faster one, i5-2500K) , with: > > > > Section "Device" > > Identifier "Card0" > > Driver "modesetting" > > Option "SWcursor" "on" > > Option "AccelMethod" "none" > > EndSection > > > > AFAIU, if AccelMethod is set to none, the device behaves like a bare > > framebuffer (given "modern" memory speeds, this covers all desktop > > needs, ex. mplayer uses ~6% CPU for a full-screen 720p movie). So, > > what you observe may be unrelated to graphics. Which processes consume > > CPU and appear to spin? > > > > With 'Driver modesetting / AccelMethod none' the busiest firefox process > uses 100-200% cpu while it's loading saved tabs etc, and this takes ~10 > minutes. > > With 'Driver intel' it loads the same tabs and starts responding in > about 10 seconds. > > With no xorg.conf, so 'Driver modesetting' and default AccelMethod, > it loads tabs and starts responding reasonably quickly (I'm not going > back to it to check now, but probably also about 10 seconds), but I get > freezes very often. > > Anyway unless somebody has a particular request that will help track > down what's going on, I'll stick with intel, as it significantly reduces > the risk of me wanting to hammer a screwdriver through the monitors (or, > possibly worse, consider buying a Mac) if I'm trying to actually get > anything done :)
I share the sentiment, been having lockups and other weirdness on radeon as well.. sent a report, I assume it may be similarly spinning, but have no idea how to debug this and only got "me toos" from other users.. :( -Bryan.
