/srv/irclogs.ubuntu.com/2022/02/02/#ubuntu-desktop.txt

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jpnurmigood morning!05:39
oSoMoNgood morning desktoppers06:56
dufluMorning oSoMoN 06:56
oSoMoNhey duflu 06:58
jpnurmigood morning oSoMoN, hey duflu07:05
dufluHi jpnurmi 07:07
didrocksgood morning07:13
oSoMoNgood morning jpnurmi, salut didrocks 07:16
didrockssalut oSoMoN, hey jpnurmi 07:18
dufluHi didrocks 07:40
didrockshey duflu 07:41
seb128goood morning desktopers08:02
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dufluMorning seb128 08:06
seb128duflu, hey, how is it going?08:07
dufluseb128, going alright. I got the last actual bug in triple buffering fixed last night. Now only working through some design disagreements. So that's good. How are you?08:09
tjaaltonwhat's it with the thunderbird ui being very sluggish and a cpu hog?08:09
seb128duflu, you think it's getting close from landing now?08:09
didrockshey seb128 08:09
seb128tjaalton, not know ... deb or snap? since when?08:09
seb128lut didrocks!08:10
tjaaltonlike when hovering the mouse over the folder pane, it takes >200% cpu here08:10
tjaaltonseb128: jammy, deb08:10
dufluseb128, probably not landing. Jonas keeps suggesting he wants to rewrite things in the glorious future so may ignore me in 42. But officially it's still tagged as a feature for 4208:10
dufluStill I will try08:11
seb128tjaalton, maybe oSoMoN knows about it but I didn't see any report until now08:14
dufluseb128, historically large branches keep landing in GNOME projects right up to final freeze. Not how I would do it but it's something I've noticed. I guess that's why they always unofficially treat version .1 as the real release08:15
Nafallomorning08:15
dufluMorning Nafallo 08:15
seb128hey Nafallo 08:15
didrockshey Nafallo 08:15
seb128duflu, rigt, that's a bit unfortunate but it has been that way for a while08:15
tjaaltonon my laptop with a 1080p panel it's still feels snappy, but on my 4k desktop (24 core cpu, amd gpu) it's very laggy08:15
tjaalton-feels08:16
duflutjaalton, I noticed slow cursor response there but haven't measured CPU08:16
duflutjaalton, yeah I have 365% CPU just hovering the cursor over a Thunderbird email list (in focal)08:18
seb128urg08:19
seb128duflu, tjaalton, could one of you try to downgrade to the previous version and see if that's still an issue?08:20
tjaaltonI have 91.5.0, and 91.5.1 is availabe08:22
dufluIt's probably https://bugzilla.mozilla.org/show_bug.cgi?id=1730423, but maybe https://bugzilla.mozilla.org/show_bug.cgi?id=173534008:26
ubottuMozilla bug 1730423 in Thunderbird "High CPU usage due to the mouse hover e-mail message list highlight feature with webrender enabled" [S3, New]08:26
ubottuMozilla bug 1735340 in Thunderbird "TB 78 and 91 very slow and unresponsive in short bursts, with high CPU, on 54 GB system with three disks" [--, Unconfirmed]08:26
duflutjaalton, the workaround in bugzilla 1730423 works: in config editor enable 'gfx.webrender.force-disabled'08:31
tjaaltonduflu: does it take effect only after a restart?08:32
tjaaltonseems so, and does in fact work08:32
tjaaltonphew08:32
dufluYeah you need to restart08:32
tjaaltonthanks for finding it, looks like I didn't scroll far down enough on a forum page I found :)08:34
oSoMoNtjaalton, duflu: thanks for the report and for finding the corresponding upstream bug08:36
oSoMoN(I wasn't aware of the issue myself)08:36
tjaaltonI only noticed it on my new desktop, since the ui is snappy enough on the smaller laptop screen08:36
dufluNo problem... tjaalton: https://bugs.launchpad.net/thunderbird/+bug/195974708:38
ubottuLaunchpad bug 1959747 in thunderbird (Ubuntu) "Very high CPU and slow responsiveness in Thunderbird 91.5.0" [Undecided, New]08:38
tjaaltonthanks, subscribed08:39
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