aurelien francillon wrote: > hi, > since just before linux-2.6.11-rc3 ( i think it's rc2-bk10 ) there > seems to have a bug in the acpi part of the proc file system : > reading /proc/acpi/battery/BAT0/info takes a very long time and locks > up the computer, time gives: > cat /proc/acpi/battery/BAT0/info 0.00s user 6.76s system 12030% cpu > 0.056 total > I notice it because kde reads it every 10seconds ... so the compuer gets > locked for ~5s every ~10s ...
> computer is a dell D600 laptop, I have seen the same on a D600 and an Compaq Armada E500, not 6 seconds but ~1.2 seconds. Try to put a #define ACPI_ENABLE_OBJECT_CACHE 1 at the end of include/acpi/acpi.h (before the last #endif), this sort of fixed it for me (now it again needs ~0.2 seconds, still way too long, but the same as with the last good 2.6.11-rc2-bk9). Good luck :-) Stefan - 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/