Re: firefox zombies

On Wed, May 28, 2025 at 09:47:15AM -0500, joshua stein wrote:
> Anyone else seeing this on -current amd64 with firefox-138.0.4? The
> zombies keep piling up until I run out of processes. It doesn't
> seem to be every new tab opened and closed, just some of them but I
> can't figure out what's common about them.
>

They probably all have a common parent that does no wait(4) handling or
setting SA_NOCLDWAIT in sigaction(2).

ps alx should show the PPID.

> USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND
> jcs 97908 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 30698 0.0 0.0 0 0 ?? Z - 0:00.00 (firefox)
> jcs 43767 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 29661 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 73054 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 60005 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 72442 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 98519 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 8821 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 50309 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 28651 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 95233 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 35843 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 34294 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 34594 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 33484 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 94882 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 31799 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 1474 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 3915 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 26733 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 92376 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 61571 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 83556 0.0 0.0 0 0 ?? Zp - 0:00.00 (firefox)
> jcs 96015 0.0 0.0 1240 804 ?? Ip 8:59AM 0:00.00 sh -c firefox
> jcs 66907 0.0 0.0 626416 984156 ?? IpU 8:59AM 7:53.01 firefox
> jcs 38851 0.0 0.0 42600 106364 ?? IpU 8:59AM 0:01.16 /usr/local/lib/firefox/firefox -contentproc 2 tab
> jcs 81163 0.0 0.0 147860 163152 ?? IpU 8:59AM 0:20.96 /usr/local/lib/firefox/firefox -contentproc -appDir /usr/local/lib/firefox/browser 3 rdd
> jcs 11866 0.0 0.0 184644 229520 ?? IpU 8:59AM 0:26.08 /usr/local/lib/firefox/firefox -contentproc 4 tab
> jcs 16454 0.0 0.0 100468 170300 ?? IpU 8:59AM 0:03.38 /usr/local/lib/firefox/firefox -contentproc 5 tab
> jcs 2014 0.0 0.0 434236 465520 ?? IpU 8:59AM 0:32.60 /usr/local/lib/firefox/firefox -contentproc 6 tab
> jcs 61648 0.0 0.0 466752 496692 ?? IpU 8:59AM 1:35.46 /usr/local/lib/firefox/firefox -contentproc 7 tab
> jcs 86500 0.0 0.0 54020 54000 ?? IpU 8:59AM 0:03.42 /usr/local/lib/firefox/firefox -contentproc -appDir /usr/local/lib/firefox/browser 8 utility
> jcs 77380 0.0 0.0 165772 211656 ?? IpU 8:59AM 0:08.70 /usr/local/lib/firefox/firefox -contentproc 11 tab
> jcs 28211 0.0 0.0 95612 151720 ?? IpU 8:59AM 0:01.43 /usr/local/lib/firefox/firefox -contentproc 15 tab
> jcs 77946 0.0 0.0 532308 567392 ?? IpU 9:15AM 0:34.32 /usr/local/lib/firefox/firefox -contentproc 73 tab
> jcs 47390 0.0 0.0 394280 400200 ?? IpU 9:15AM 0:43.38 /usr/local/lib/firefox/firefox -contentproc 77 tab
> jcs 72770 0.0 0.0 6420 45716 ?? Ip 9:29AM 0:00.08 /usr/local/lib/firefox/firefox -contentproc -appDir /usr/local/lib/firefox/browser 95 socket
> jcs 42481 0.0 0.0 685932 627812 ?? IpU 9:29AM 0:08.68 /usr/local/lib/firefox/firefox -contentproc 98 tab
> jcs 27611 0.0 0.0 26880 76628 ?? IpU 9:34AM 0:00.13 /usr/local/lib/firefox/firefox -contentproc 103 tab
> jcs 58737 0.0 0.0 27156 76352 ?? IpU 9:39AM 0:00.12 /usr/local/lib/firefox/firefox -contentproc 104 tab
> jcs 91489 0.0 0.0 26808 76136 ?? IpU 9:39AM 0:00.12 /usr/local/lib/firefox/firefox -contentproc 105 tab
>

--
:wq Claudio