On 10:36 Fri 09 Dec , [EMAIL PROTECTED] wrote: > > > Hi, > > I have a machine with an AMD64 x2 4800+ mounted on an asus A8V Deluxe. I have > experienced massive clock drift problems with smp kernels from the fedora core > 4 x86_64 distribution, also with the newer 2.6.14.3 kernel from kernel.org: > > ---------- > dmesg : > > Losing some ticks... checking if CPU frequency changed. > warning: many lost ticks. > Your time source seems to be instable or some driver is hogging interupts > rip 0x435036 > --------------- > > I have tried the pci=routeirq, acpi=off, noapic, nolapic, no_timer_check, > no_tsc... bootparams without any real succes, my system clock keeps on > drifting > away faster and faster after the system has been up for some time. > > My question to the list is : > > Are the debian amd64-k8-smp kernels also subject to this problem? > This is a kernel problem with SMP having unsynced TSC's running at different freqs, supposedly fixed in kernel 2.6.14. Before 2.6.14 i needed to boot with pci=noacpi and clock=pmtmr to solve the 'lost 'ticks'.
A Debian kernel won't change anything. assuming you have a similar config (e.g. HPET_TIMER=y PM_TIMER=y). You may want to post this on the LKML. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
