Re: firefox zombies

On Wed, 28 May 2025 at 17:37:33 +0200, Claudio Jeker wrote:
> 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.

Just the master firefox process...

UID PID PPID CPU PRI NI VSZ RSS WCHAN STAT TT TIME COMMAND
1000 7308 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 47350 89668 26 -22 0 0 0 - Z ?? 0:00.00 (firefox)
1000 96448 89668 5 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 45027 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 97800 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 15023 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 36120 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 35457 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 64650 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 18024 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 53781 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 70189 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 95855 89668 0 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 4837 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 37469 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 53827 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 15557 89668 3 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 20377 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 18751 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 76535 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 75387 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 17595 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 83308 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 84029 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 25423 89668 0 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 42778 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 38710 89668 3 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 44403 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 47990 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 63734 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 10045 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 40238 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 21306 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 15332 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 19368 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 29000 89668 0 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 67156 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 27515 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 28291 89668 0 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 73673 89668 2 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 51871 89668 1 -22 0 0 0 - Zp ?? 0:00.00 (firefox)
1000 84156 24576 11 18 0 1240 804 sigsusp Ip ?? 0:00.01 sh -c firefox
1000 89668 84156 0 2 0 626116 894592 kqread IpU ?? 6:20.37 firefox
1000 4728 89668 0 2 0 38516 104232 kqread IpU ?? 0:00.73 /usr/local/lib/firefox/firefox -contentproc 2 tab
1000 31435 89668 0 2 0 152804 154780 kqread IpU ?? 0:20.90 /usr/local/lib/firefox/firefox -contentproc -appDir /usr/local/lib/
1000 2895 89668 0 2 0 209756 260456 kqread IpU ?? 0:39.30 /usr/local/lib/firefox/firefox -contentproc 4 tab
1000 32101 89668 0 2 0 181656 235900 kqread IpU ?? 0:11.73 /usr/local/lib/firefox/firefox -contentproc 5 tab
1000 79031 89668 0 2 0 103912 176964 kqread IpU ?? 0:04.16 /usr/local/lib/firefox/firefox -contentproc 6 tab
1000 93984 89668 0 2 0 447988 507664 kqread IpU ?? 2:16.58 /usr/local/lib/firefox/firefox -contentproc 7 tab
1000 4788 89668 0 2 0 290264 356136 kqread IpU ?? 0:44.76 /usr/local/lib/firefox/firefox -contentproc 9 tab
1000 2885 89668 0 2 0 56852 57140 kqread IpU ?? 0:28.89 /usr/local/lib/firefox/firefox -contentproc -appDir /usr/local/lib/
1000 12621 89668 0 2 0 94752 152068 kqread IpU ?? 0:01.26 /usr/local/lib/firefox/firefox -contentproc 27 tab
1000 695 89668 0 2 0 231908 292428 kqread IpU ?? 0:17.10 /usr/local/lib/firefox/firefox -contentproc 43 tab
1000 15837 89668 0 2 0 89148 146520 kqread IpU ?? 0:01.04 /usr/local/lib/firefox/firefox -contentproc 48 tab
1000 27241 89668 0 2 0 75892 144368 kqread IpU ?? 0:00.81 /usr/local/lib/firefox/firefox -contentproc 62 tab
1000 74974 89668 0 2 0 553804 539108 kqread IpU ?? 1:59.90 /usr/local/lib/firefox/firefox -contentproc 65 tab
1000 3669 89668 0 2 0 193768 268556 kqread IpU ?? 0:02.70 /usr/local/lib/firefox/firefox -contentproc 76 tab
1000 84733 89668 0 2 0 59912 133944 kqread IpU ?? 0:00.79 /usr/local/lib/firefox/firefox -contentproc 86 tab
1000 96570 89668 0 2 0 34748 84384 kqread IpU ?? 0:00.14 /usr/local/lib/firefox/firefox -contentproc 91 tab
1000 90155 89668 0 2 0 26876 76664 kqread IpU ?? 0:00.12 /usr/local/lib/firefox/firefox -contentproc 98 tab
1000 88581 89668 0 2 0 26992 76248 kqread IpU ?? 0:00.11 /usr/local/lib/firefox/firefox -contentproc 108 tab
1000 79531 89668 0 2 0 18548 75928 kqread IpU ?? 0:00.12 /usr/local/lib/firefox/firefox -contentproc 114 tab