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SubjectRE: [BUG]: Hard lockups continue with linux-2.6.15-rc1-rc7
Tarkan Erimer wrote:
> Hi all,
> I'm having hard lockups with all the RCs of linux-2.6.15. I,
> previously, mentioned this with the subject "[BUG]: Software compiling
> occasionlly hangs under 2.6.15-rc1/rc2 and 2.6.15-rc1-mm2" in the
> list. I investigated a bit at found these interesting things.
> -- Always reproducable. To reproduce:
> - in console 1, issueing "updatedb"
> - in console 2, issueing "find / -name "blahblah" -print
> - in console 3, issueing "emerge -uDp world" (BTW, I'm using Gentoo.)
> - in console 4, X started.
> - a few minutes later, system completely freezes. No Alt+SysRq+t
> works. (Normally, it does)
> When the system freezes, there is nothing in logs. But hardly, I
> captured an Alt+SysRq+t. A few seconds (15-20 seconds) before hang. I
> attached this Alt+SysRq+t and lsmod output. Hope this helps to solve
> this.
> PS: These problems never occured in 2.6.14.xx and downwards.
> Regards.

Don't rule out hardware. This SuSE 10.0 x86 box worked without problems
on kernels up to 2.6.15-rc6-git2, but I experienced strange apparent
filesystem corruptions/compile failures running normally and hard
lockups when running mythtv with 2.6.15-rc6-git6 and 2.6.15-rc7, while
on the Mandriva 2006 x86 box and the SuSE x86_64 there were no problems.
Until I found the suspect SDRAM, on some occasions I had to run
reiserfsck before 2.6.15-rc6-git2 would boot again correctly after
trying rc6-git6 or -rc7. Finally I got a corruption again with
2.6.15-rc7, replaced the SDRAM stick with the one taken out previously,
booted up on 2.6.15-rc7 with no problems. I had run memtest some days
earlier, but only for a couple of hours. (current uptime 1 day 1.04hrs).
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Retired IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks
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