On Mittwoch 03 Juni 2009, Alexander Puchmayr wrote: > After a long discussion with a friend I changed some kernel-configs: > > * Large Receive Offload (INET_LRO) disabled. > * Changed allocator from SLUB to SLAB > > These two made the system much more stable, much less allocation error > messages, but not yet stable enough (still some freezes) > > * Increased /proc/sys/vm/min_free_kbytes. was at 8065, changed it to 16000 > which made the page allocations nearly disappear at all, with 20000 I > didn't find any message after having copied more than 500GB. But still one > freeze :-( > > * Tried kernel boot parameter "noapic". Copied 500GB without any problem. > No freeze, no page alloc error, no transmit timeout in rtl8169 driver. > > With this configuration I consider the problem as solved. > > Greetings and thanks to all who answered me > Alex
and now you go to lkml and report your finding there. It is either a hardware bug which needs a workaround in the driver or a driver bug that must be fixed. Either way, be a good citizen, report your problem.
