I was trying 2.4.5-ac14 this morning. I issued some command to test buffer and page cache behaviour I run 2 cat /dev/hda > /dev/null and find / -name \* concurrently When find finished I ran free and it gave me fourier:~# free total used free shared buffers cached Mem: 126996 124104 2892 4294967212 98944 9148 -/+ buffers/cache: 16012 110984 Swap: 128480 3760 124720 fourier:~# cat /proc/meminfo total: used: free: shared: buffers: cached: Mem: 130043904 127098880 2945024 4294881280 100589568 9969664 Swap: 131563520 3850240 127713280 MemTotal: 126996 kB MemFree: 2876 kB MemShared: 4294967212 kB Buffers: 98232 kB Cached: 9736 kB Active: 93716 kB Inact_dirty: 12848 kB Inact_clean: 1320 kB Inact_target: 4 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 126996 kB LowFree: 2876 kB SwapTotal: 128480 kB SwapFree: 124720 kB It seems a kernel bug to me, but it didn't hurt, my PC is working without problems Gianluca Anzolin - 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/