Date: Sat, 13 Aug 2011 13:16:04 -0400 From: Joe Schaefer <joesuf4@gmail.com> To: freebsd-hackers <freebsd-hackers@freebsd.org> Subject: Clock stalls on Sabertooth 990FX Message-ID: <CAOzHqcJMZkJUOqtz29ZaC98azfJJo5efzF557gijv3ORMNkucg@mail.gmail.com>
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Brand new machine with a Phenom II X6 1100T and under chronic load the clock will stop running periodically until the machine eventually completely freezes. Note: during these stalls the kernel is still running, the machine is still mostly responsive, it's just that the clock is frozen in time. I've disabled Turbo mode in the bios and toyed with just about every other setting but nothing seems to resolve this problem. Based on the behavior of the machine (just making buildworld will eventually kill it, upping the -j flag just kills it faster), I'm guessing it has something to do with the Digi+ VRM features but again nothing I've tried modifying in the bios seems to help. I've tried both 8.2-RELEASE and FreeBSD 9 (head). Running head now with a dtrace enabled kernel. Suggestions?
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