Bug 21009
| Summary: | /etc/security make the system hangup | ||
|---|---|---|---|
| Product: | Base System | Reporter: | Masachika ISHIZUKA <ishizuka> |
| Component: | kern | Assignee: | freebsd-bugs (Nobody) <bugs> |
| Status: | Closed FIXED | ||
| Severity: | Affects Only Me | ||
| Priority: | Normal | ||
| Version: | 4.1-RELEASE | ||
| Hardware: | Any | ||
| OS: | Any | ||
State Changed From-To: open->feedback Please explain what "crashs system" means. Since the environment you describe is hard to set up (especially given that you don't define "too many files"), this will be easier to investigate based on the actual error messages you see. > Synopsis: /etc/security make the system hangup > State-Changed-From-To: open->feedback > State-Changed-By: sheldonh > State-Changed-When: Mon Sep 4 06:32:11 PDT 2000 > State-Changed-Why: > > Please explain what "crashs system" means. Since the environment > you describe is hard to set up (especially given that you don't > define "too many files"), this will be easier to investigate > based on the actual error messages you see. > > http://www.freebsd.org/cgi/query-pr.cgi?pr=21009 Hi, sheldonh-san. Thank you for your mail. There is no error messages. I can't login if it happens. There is no response from ping. Only Alt-F? is available, but after screen is switched by Alt-F?, I push return key and the login prompt will be scrolled up with no news messages. After I typed return key for 25 times, there is no messages on screen at all. There are 4 machines with hangup. The following is the output of 'df -ki' command. All machines are 4.1-RELEASE. Most of directories and files on the disk mounted on /www have about 5000 hard links, so there are more than 6,000,000 links, files or directories on each /www disks. The running time for /etc/security is about 1.5 or 2.5 hours on Pentium III/600 or Pentium II/400. The ccd0c and /dev/vinum/www are two 16GB or 20GB UDMA33 ata drives with striped. (1) /dev/ccd0c 17591175 1999479 14184402 12% 443610 3952932 10% /www (2) /dev/ccd0c 17072631 2645276 13061545 17% 448429 8096465 5% /www (3) /dev/vinum/www 17072515 353165 15353549 2% 119432 8425462 1% /www (4) /dev/ccd0c 17072631 2407959 13298862 15% 454757 8090137 5% /www -- ishizuka@ish.org On Wed, 06 Sep 2000 02:50:04 MST, Masachika ISHIZUKA wrote: > There are 4 machines with hangup. The following is the output of > 'df -ki' command. All machines are 4.1-RELEASE. Most of directories > and files on the disk mounted on /www have about 5000 hard links, > so there are more than 6,000,000 links, files or directories on each > /www disks. > The running time for /etc/security is about 1.5 or 2.5 hours on > Pentium III/600 or Pentium II/400. The ccd0c and /dev/vinum/www > are two 16GB or 20GB UDMA33 ata drives with striped. Could you stick a debugging kernel on one of those boxes and use DDB or remote kgdb to figure out what the kernel's stuck in? There are just two many variables here. Instructions that you might find helpful are available at: http://www.freebsd.org/handbook/kerneldebug.html Ciao, Sheldon. >> There are 4 machines with hangup. The following is the output of >> 'df -ki' command. All machines are 4.1-RELEASE. Most of directories >> and files on the disk mounted on /www have about 5000 hard links, >> so there are more than 6,000,000 links, files or directories on each >> /www disks. > > Could you stick a debugging kernel on one of those boxes and use DDB or > remote kgdb to figure out what the kernel's stuck in? There are just > two many variables here. > > Instructions that you might find helpful are available at: > > http://www.freebsd.org/handbook/kerneldebug.html Hi, sheldonh-san. Thank you for mail. I'll try above. But these machines are not able to panic, so I must create a test machine with the same environment. Because I'm too busy to do so, please wait for a couple of weeks or more. -- ishizuka@ish.org On Thu, 07 Sep 2000 01:15:20 +0900, Masachika ISHIZUKA wrote:
> I'll try above. But these machines are not able to panic, so I
> must create a test machine with the same environment. Because
> I'm too busy to do so, please wait for a couple of weeks or more.
Another suggestion that I got in private mail was this:
Run something like this on its own virtual terminal:
while sleep 1; do
vmstat -m | tail -2
done
Report back the values displayed at the time of the lock-up. This
should be easy to do, since you said that you were able to switch
virtual terminals during the lock-up.
Ciao,
Sheldon.
State Changed From-To: feedback->closed Feedback timeout. |
daily cron crashs system if I have too many files on disks as follows. /etc/crontab (periodic daily) -> /etc/periodic/daily/450.status-security -> /etc/security Fix: I don't know. I have too many files on the disk mounted to /www, I changed line 30 of /etc/security from MP=`mount -t ufs | grep -v " nosuid" | sed 's;/dev/;&r;' | awk '{ print $3 }'` to MP=`mount -t ufs | grep -v " nosuid" | sed 's;/dev/;&r;' | awk '{ print $3 }' | grep -v '^/www$'` But it is not good idea, I think.