On Thu, Mar 31, 2005 at 12:04:59AM +0200, Philip Lawatsch wrote: > I do have a very strange problem: > > If I memset a ~1meg buffer some thousand times (in the userspace) it > will hardlock my machine. > > I've been using 2.6.12-rc1 and also a lot of other kernels (2.6.9, > 2.6.11). I've tried it both using a 32 bit kernel and a 64 bit kernel. > When running on the 32 bit kernel the machine hardlocks after about > 15000 iterations, on a 64 bit kernel the machine hardlocks after about > 5000 (the 64 bit system has nearly no background jobs running). > > I've been running memcheck for several hours now but nothing did show up. > > > I've got an Asus A8N-SLI board with 2 gigs of memory and an AMD 3500+ CPU. > > The 64 bit kernel was compiled using gcc 3.4.3 and the 32 bit kernel > using 3.3.5. [...]
> powernow-k8: Found 1 AMD Athlon 64 / Opteron processors (version 1.00.09e) > powernow-k8: 0 : fid 0xe (2200 MHz), vid 0x6 (1400 mV) > powernow-k8: 1 : fid 0xc (2000 MHz), vid 0x8 (1350 mV) > powernow-k8: 2 : fid 0xa (1800 MHz), vid 0xa (1300 mV) > powernow-k8: 3 : fid 0x2 (1000 MHz), vid 0x12 (1100 mV) > cpu_init done, current fid 0xe, vid 0x6 Just a thought: does deactivating cpufreq change anything ? I haven't tested yet your program, but on my Asus K8NE-Deluxe very strange things happen if cpufreq/powernow is activated *and* the cpu frequency is changed... Stelian. -- Stelian Pop <[EMAIL PROTECTED]> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/