Created attachment 154938 [details] Screenshot Downstream (Fedora) bug report: https://bugzilla.redhat.com/show_bug.cgi?id=2140346
Setting to confirmed as I am the second user to notice the bug.
- Does this reliably happen every time? - Can you show the output of systemd-cgls systemd-cgls /user.slice/user-1000.slice we should see something like: │ ├─app-firefox-3d28ec05c1274a2aacbc3848a60a6792.scope (#18053) │ │ │ ├─1468961 /usr/lib/firefox/firefox │ │ │ ├─1469045 /usr/lib/firefox/firefox -contentproc ...
- Do relevant processes appear blank in the processes tab?
systemd-cgls systemd-cgls /user.slice/user-1000.slice | grep -i firefox Failed to split argument systemd-cgls: Invalid argument │ │ │ └─cgroupify@app-firefox-05c9eae305c24effba21bf00bebd9080.scope.service (#9258) │ │ │ └─2896 /usr/libexec/cgroupify app-firefox-05c9eae305c24effba21bf00bebd9… │ │ ├─app-firefox-05c9eae305c24effba21bf00bebd9080.scope (#9162) │ │ │ │ └─146639 /usr/lib64/firefox/firefox -contentproc -childID 1760 -isForBr… │ │ │ │ └─114486 /usr/lib64/firefox/firefox -contentproc -childID 1046 -isForBr… │ │ │ │ └─3792 /usr/lib64/firefox/firefox -contentproc -parentBuildID 202212210… │ │ │ │ └─3189 /usr/lib64/firefox/firefox -contentproc -childID 6 -isForBrowser… │ │ │ │ └─271191 /usr/lib64/firefox/firefox -contentproc -childID 5107 -isForBr… │ │ │ │ └─86763 /usr/lib64/firefox/firefox -contentproc -childID 631 -isForBrow… │ │ │ │ └─3263 /usr/lib64/firefox/firefox -contentproc -childID 9 -isForBrowser… │ │ │ │ └─553120 /usr/lib64/firefox/firefox -contentproc -childID 11765 -isForB… │ │ │ │ └─74251 /usr/lib64/firefox/firefox -contentproc -childID 335 -isForBrow… │ │ │ │ └─3213 /usr/lib64/firefox/firefox -contentproc -childID 7 -isForBrowser… │ │ │ │ └─555492 /usr/lib64/firefox/firefox -contentproc -childID 11818 -isForB… │ │ │ │ └─420361 /usr/lib64/firefox/firefox -contentproc -childID 7927 -isForBr… │ │ │ │ └─275132 /usr/lib64/firefox/firefox -contentproc -childID 5210 -isForBr… │ │ │ │ └─555048 /usr/lib64/firefox/firefox -contentproc -childID 11813 -isForB… │ │ │ │ └─79102 /usr/lib64/firefox/firefox -contentproc -childID 452 -isForBrow… │ │ │ │ └─3296 /usr/lib64/firefox/firefox -contentproc -childID 10 -isForBrowse… │ │ │ │ └─4609 /usr/lib64/firefox/firefox -contentproc -childID 19 -isForBrowse… │ │ │ │ └─421483 /usr/lib64/firefox/firefox -contentproc -childID 7951 -isForBr… │ │ │ │ └─3151 /usr/lib64/firefox/firefox -contentproc -childID 3 -isForBrowser… │ │ │ │ └─3359 /usr/lib64/firefox/firefox -contentproc -childID 13 -isForBrowse… │ │ │ │ └─3236 /usr/lib64/firefox/firefox -contentproc -childID 8 -isForBrowser… │ │ │ │ └─163582 /usr/lib64/firefox/firefox -contentproc -childID 2184 -isForBr… │ │ │ │ └─2883 /usr/lib64/firefox/firefox │ │ │ │ └─554436 /usr/lib64/firefox/firefox -contentproc -childID 11800 -isForB… │ │ │ │ └─254294 /usr/lib64/firefox/firefox -contentproc -childID 4651 -isForBr… │ │ │ │ └─80792 /usr/lib64/firefox/firefox -contentproc -childID 498 -isForBrow… │ │ │ │ └─62948 /usr/lib64/firefox/firefox -contentproc -childID 132 -isForBrow… │ │ │ │ └─3385 /usr/lib64/firefox/firefox -contentproc -childID 14 -isForBrowse… │ │ │ │ └─274575 /usr/lib64/firefox/firefox -contentproc -childID 5198 -isForBr… │ │ │ │ └─544127 /usr/lib64/firefox/firefox -contentproc -childID 11545 -isForB… │ │ │ │ └─550751 /usr/lib64/firefox/firefox -contentproc -childID 11705 -isForB… │ │ │ │ └─278087 /usr/lib64/firefox/firefox -contentproc -childID 5270 -isForBr… │ │ │ │ └─553081 /usr/lib64/firefox/firefox -contentproc -childID 11764 -isForB… │ │ │ │ └─2974 /usr/lib64/firefox/firefox -contentproc -parentBuildID 202212210… │ │ │ │ └─3138 /usr/lib64/firefox/firefox -contentproc -childID 2 -isForBrowser… │ │ │ │ └─3166 /usr/lib64/firefox/firefox -contentproc -childID 5 -isForBrowser… │ │ │ │ └─3788 /usr/lib64/firefox/firefox -contentproc -parentBuildID 202212210… │ │ │ │ └─3156 /usr/lib64/firefox/firefox -contentproc -childID 4 -isForBrowser… │ │ │ │ └─3570 /usr/lib64/firefox/firefox -contentproc -childID 15 -isForBrowse… │ │ │ │ └─55317 /usr/lib64/firefox/firefox -contentproc -childID 99 -isForBrows… │ │ │ │ └─421580 /usr/lib64/firefox/plugin-container /home/justin/.mozilla/fire… │ │ │ │ └─4525 /usr/lib64/firefox/firefox -contentproc -childID 18 -isForBrowse… │ │ │ │ └─3031 /usr/lib64/firefox/firefox -contentproc -childID 1 -isForBrowser… │ │ │ │ └─554996 /usr/lib64/firefox/firefox -contentproc -childID 11812 -isForB… │ │ │ └─130570 /usr/lib64/firefox/firefox -contentproc -childID 1414 -isForBr… │ │ │ └─555536 grep --color=auto -i firefox Failed to list cgroup tree: Invalid argument
It's happened every time I've opened system monitor so far but I don't open it often.
What is the output of `cat /proc/$(pidof -s firefox)/status` ? Similarly for /stat and /statm
Can confirm still on Fedora Kinoite 38 (system monitor installed into the image by default) with 5.27.4. status: ``` Name: Web Content Umask: 0022 State: S (sleeping) Tgid: 2834221 Ngid: 0 Pid: 2834221 PPid: 655637 TracerPid: 0 Uid: 1000 1000 1000 1000 Gid: 1000 1000 1000 1000 FDSize: 1024 Groups: 10 1000 NStgid: 2834221 NSpid: 2834221 NSpgid: 497652 NSsid: 97053 VmPeak: 2631200 kB VmSize: 2630968 kB VmLck: 0 kB VmPin: 0 kB VmHWM: 77568 kB VmRSS: 77568 kB RssAnon: 12160 kB RssFile: 64512 kB RssShmem: 896 kB VmData: 38368 kB VmStk: 132 kB VmExe: 524 kB VmLib: 127064 kB VmPTE: 496 kB VmSwap: 0 kB HugetlbPages: 0 kB CoreDumping: 0 THP_enabled: 1 Threads: 20 SigQ: 0/127696 SigPnd: 0000000000000000 ShdPnd: 0000000000000000 SigBlk: 0000000000000000 SigIgn: 0000000000011002 SigCgt: 0000000f408004c8 CapInh: 0000000000000000 CapPrm: 0000000000000000 CapEff: 0000000000000000 CapBnd: 000001ffffffffff CapAmb: 0000000000000000 NoNewPrivs: 1 Seccomp: 2 Seccomp_filters: 1 Speculation_Store_Bypass: thread vulnerable SpeculationIndirectBranch: conditional enabled Cpus_allowed: fff Cpus_allowed_list: 0-11 Mems_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001 Mems_allowed_list: 0 voluntary_ctxt_switches: 33 nonvoluntary_ctxt_switches: 13 ``` stat ``` 2834268 (Web Content) S 655637 497652 97053 34825 497652 4194560 4523 0 0 0 4 11 0 0 20 0 20 0 74247324 2694111232 19584 18446744073709551615 94104109252608 94104109787229 140728579931744 0 0 0 0 69634 1082131656 0 0 0 17 3 0 0 0 0 0 94104109910720 94104109916280 94104141377536 140728579936874 140728579937112 140728579937112 140728579940317 0 ``` statm ``` 657742 19392 16320 131 0 9625 0 ```
I suspect this was the result of having multiple cgroups with the same app ID. Since Plasma 6.3 we merge these entries, so I think this should be resolved with Plasma 6.3 or higher. If it was not, feel free to reopen and then please attach the full output of `systemd-cgls`.
Yes this is now showing for all apps, thank you.