Re: Failing to show 'Password:' prompt
Nikos Vassiliadis wrote: > Manolis Kiagias wrote: >> This morning my server was unresponsive both from ssh and through >> http. The only thing that is different on this system on a 1st of >> month, is a dump job that runs through periodic (on a mostly inactive >> system). >> >> Visiting the console, I discovered the system was still up and >> displaying login prompt on all vtys, but after typing a username, the >> password prompt would never appear. Keyboard was responsive and I >> could even switch between keyboard layouts (English/Greek). Plugging >> and and unplugging an external USB drive, showed the kernel messages >> on tty0. Still, I could not get it to display a password prompt and >> had to hard reboot it. >> >> I can't find anything in /var/log/messages either - it stops at 5.25 >> in the morning. And the dump was not performed either (and there are >> no traces about it in the log). >> >> What kind of crash could cause the password prompt to not display? >> Ideas? > > Geia Manoli, > > A deadlock somewhere in the filesystem code would expose > such behavior. Other subsystems may continue to work, but > some operations, somehow related to that filesystem code, > will wait - forever - for some locks to be released. > > I've seen such behavior in early RELENG_6 branch with regard > to UFS snapshots. > > Nikos > > Thanks Niko, This is quite possible actually as I was using dump -L and the USB backup disk was still mounted when I looked at the console messages. I'll check the PR database for dump-related problems. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
Re: Failing to show 'Password:' prompt
Manolis Kiagias wrote: This morning my server was unresponsive both from ssh and through http. The only thing that is different on this system on a 1st of month, is a dump job that runs through periodic (on a mostly inactive system). Visiting the console, I discovered the system was still up and displaying login prompt on all vtys, but after typing a username, the password prompt would never appear. Keyboard was responsive and I could even switch between keyboard layouts (English/Greek). Plugging and and unplugging an external USB drive, showed the kernel messages on tty0. Still, I could not get it to display a password prompt and had to hard reboot it. I can't find anything in /var/log/messages either - it stops at 5.25 in the morning. And the dump was not performed either (and there are no traces about it in the log). What kind of crash could cause the password prompt to not display? Ideas? Geia Manoli, A deadlock somewhere in the filesystem code would expose such behavior. Other subsystems may continue to work, but some operations, somehow related to that filesystem code, will wait - forever - for some locks to be released. I've seen such behavior in early RELENG_6 branch with regard to UFS snapshots. Nikos ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
Re: Failing to show 'Password:' prompt
On 7/1/09, Manolis Kiagias wrote: > This morning my server was unresponsive both from ssh and through http. > The only thing that is different on this system on a 1st of month, is a > dump job that runs through periodic (on a mostly inactive system). > > Visiting the console, I discovered the system was still up and > displaying login prompt on all vtys, but after typing a username, the > password prompt would never appear. Keyboard was responsive and I could > even switch between keyboard layouts (English/Greek). Plugging and and > unplugging an external USB drive, showed the kernel messages on tty0. > Still, I could not get it to display a password prompt and had to hard > reboot it. > > I can't find anything in /var/log/messages either - it stops at 5.25 in > the morning. And the dump was not performed either (and there are no > traces about it in the log). > > What kind of crash could cause the password prompt to not display? Ideas? Can you actually log in? Login prompt and password propmt are configurable via gettytab and login.conf.(db) -- Paul ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
