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SubjectRe: System hangs on 2.6.26-rc8
Rafael J. Wysocki wrote:
> 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
>
I can't reproduce it not only with 2.6.26-rc8 (250 Hz), but even with
2.6.26.rc8 (300 Hz) - with same kernel and same progs.
Wine compiling + stress with 10-20 min. timeout + downloading +
browsing... loadavg up 16, but system works! (Slowly, of course, but works)
2.6.26-rc9 (300 Hz) looks also stable.
It was hardware issue I hope (but not understand, which). If this
problem appears in the future, I will say about it. Now it seems as
false regression


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