Red Hat Bugzilla – Bug 73752
anacron freezes my computer
Last modified: 2007-04-18 12:46:32 EDT
From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20020827 Description of problem: It freezes my computer totally after a few seconds. I had to start from the rescue cd and chmod -x /etc/init.d/anacron Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1. /etc/init.d/anacron start 2. 3. Actual Results: The computer started to hang, and after a few seconds it was totally unusable. It was impossible to gain control over my machine, even over ssh. The only possible thing was to hit the reset button. Additional info: i run a strace and wrote the last sentences down. SIGCHLD (Chile exited) --- wait4(-1 [WIFEEXITED](s) && WEXITSTATUS(s) == 0, WHOHANG, NULL) = 4500 wait4(-1 0xbffff15c, WNOHANG,NULL) = -1 ECHILD (No child processes) sigreturn () = ? (mask now [RTMIN]) rt_sigprocmask(SIG_BLOCK, [CHLD], [RTMIN], 8) = 0 rt_sigprocmask(SIG_SETMASK, [RTMIN], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [RTMIN], 8) = 0 rt_sigaction(SIGINT, {SIG_DFL}, {0x8075b70, [], 0x4000000}, 8 = 0 write(1, "\n", 1 ) rt_sigprocmask(SIG_SETMASK, [RTMIN], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, NULL, [RTMIN], 8) = 0 read(255, "\nexit 0\", 934) rt_sigprocmask(SIG_BLOCK, NULL, [RTMIN], 8) = 0 rt_sigprocmask(SIG_SETMASK, [RTMIN], NULL, 8) = 0 _exit (0) = ? PS: I wrote all this by hand, to a sheet of paper, on back on the pc. I may have made several typos.
anacron-2.3-22. I have exactly the same problems with cron. (pc hangs when cron is starting, had to boot from rescue cd and chmod -x)
Hrrm, can you give some more details about your install and hardware? How much RAM, HD, swap space, CPU? Output from top would probably be useful too. What happens if you wait say 5-10min? Does the machine become usable again?
Mem: 448852K av, 224620K used, 224232K free, 0K shrd, 27612K buff Swap: 594396K av, 0K used, 594396K free 93796K cached df -h -T Filesystem Type Size Used Avail Use% Mounted on /dev/hdh1 ext3 7.3G 6.3G 706M 91% / none tmpfs 219M 0 219M 0% /dev/shm /dev/hde1 vfat 6.4G 6.5G 0 100% /mnt/windows /dev/hde5 vfat 30G 25G 5.9G 81% /mnt/ibm /dev/hdh5 ext3 66G 65G 863M 99% /mnt/kjempe krs-dhcp232:/mnt/wd nfs 29G 23G 6.3G 78% /mnt/nfs I have dual celeron333 on a Tekram motherboard. Afaik there is no hardware problems with my computer, and it has been sucsessfully running RedHat linux since 6.1 without problems. Running top (even with -d 1s flag) is useless, because it starts hanging immideately. I have waited for atleast 30min, without any improvement on my computers usability. Full Redhat null installation , upgraded from 7.2 -> 7.3 -> 8 beta. 2.4.18-11smp kernel.
In RHL 8.0 and later, the start of anacron is delayed for 60min after booting. Do that make things any smoother for you? Otherwise perhaps you're better off disabling anacron all together.
More importantly anacron is now run with "-s" (ie jobs are run serially), so I suspect this is fixed in RHL 8.0 and 9.
*** This bug has been marked as a duplicate of 65870 ***
Oh, but this bug is against RHL 8.0. Are you using anacron-2.3-23?
Closing for now.