Comment 101 for bug 355155

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RedSocrates (redsocrates) wrote : Re: Clocksource tsc unstable leads to lockups in Ubuntu Jaunty

I just want to add my own confirmation, and the relevant files, here. Like everyone else, I encounter seemingly random system freezes on Jaunty. On the same machine on which I encounter these freezes, I have no problems running Crunchbang 8.10, Debian Lenny, or ArchLinux -- the issue occurs only with Ubuntu (and perhaps only with Ubuntu 9.04). As someone else mentioned, I think this bug is worth marking "Critical"; it's enough for me to have just removed Ubuntu from my machine and returned to Debian, anyway.

Some relevant info in addition to the above: the problem occurred for me on a 32-bit version of Ubuntu 9.04 running on a Compaq Presario C700 laptop. My kern.log file shows the TSC lines (and the hpet lines) that others have mentioned. Other information is in the attachments here and below.