Re: System hangs on 2.6.26-rc8

["Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>]

On Thursday, 3 of July 2008, Roman Mindalev wrote:
> Rafael J. Wysocki wrote:
> > On Thursday, 26 of June 2008, Roman Mindalev wrote:
> >> I walking in web with Firefox when my system began freezing.
> >> 1. After pressing "KMenu" menu not showing
> >> 2. Yakuake's terminals not usable: when I try typing "dmesg | tail" or
> >> even "ls" system not answering. I can typing anything (including
> >> pressing Ctrl+C or Ctrl+Z), but reaction = 0
> >> 3. Consoles (Alt + F1 and other) not usable too. I can't even log-in -
> >> after typing username and pressing "Enter" password field not available,
> >> and I can typing any text like:
> >> ----------------------
> >> login: r000n
> >> grt
> >> rthtr
> >> y
> >> trht
> >> ----------------------
> >> 4. Switching back to to X from text console not works: I see only black
> >> screen
> >> 5. Ctrl + Alt + Del not works, I can restart system only with hardware Reset
> >>
> >> These strange things was 2 times for last day.
> >> Logs empty, last strings from syslog:
> >> ------- 1-st time --------------------
> >> Jun 26 10:37:16 desktop smartd[4967]: Device: /dev/sdb, SMART Usage
> >> Attribute: 190 Airflow_Temperature_Cel changed from 59 to 58
> >> Jun 26 10:37:16 desktop smartd[4967]: Device: /dev/sdb, SMART Usage
> >> Attribute: 194 Temperature_Celsius changed from 115 to 112
> >> Jun 26 10:39:01 desktop /USR/SBIN/CRON[14210]: (root) CMD (  [ -x
> >> /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find
> >> /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 |
> >> xargs -n 200 -r -0 rm)
> >> Jun 26 10:41:43 desktop ntpd[5006]: synchronized to 204.9.136.253, stratum 2
> >> Jun 26 10:42:51 desktop ntpd[5006]: synchronized to 89.108.124.4, stratum 2
> >> Jun 26 10:49:00 desktop syslogd 1.5.0#5: restart.
> >> --------------------------------------
> >> ------- 2-st time --------------------
> >> Jun 26 14:32:37 desktop ntpd[5002]: synchronized to 212.57.153.17, stratum 2
> >> Jun 26 14:39:01 desktop /USR/SBIN/CRON[5624]: (root) CMD (  [ -x
> >> /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find
> >> /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 |
> >> xargs -n 200 -r -0 rm)
> >> Jun 26 14:44:36 desktop syslogd 1.5.0#5: restart.
> >> Jun 26 14:44:36 desktop kernel: klogd 1.5.0#5, log source = /proc/kmsg
> >> started.
> >> Jun 26 14:44:36 desktop kernel: /tty/ttyr5'
> >> --------------------------------------
> >> Firefox 3 from svn, updated ~3 days ago.
> >> System - Debian sid (updated yesterday).
> >> Kernel - 2.6.26-rc8
> >>
> >> If need more information, tell me, where I should take it)
> > 
> > Did anything like that happen to you with any previous kernel versions?
> > 
> > Rafael
> > 
> No. 2.6.26-rcX was very clear line for me.
> But 2.6.26-rc8 - first kernel, which I compiled with timer 300 Hz
> (instead 250). I can compile 2.6.26-rc7 with 300 Hz and 2.6.26-rc8 with
> 250 Hz if need.
> Frequency of timer almost exclusive thing, which changed in my config
> since 2.6.26-rc7

Please do that and please do keep the CC list in your replies.

For now, we will assume this is a regression from -rc7.

Thanks,
Rafael