#74 tv_usec reported by kernel is off
Dear Da-x and co!
I must say colinux is great!
I use it now for my server, that now is seamlessly is
running windows to provide services, and using colinux
0.6.1-linux-2.4.26 with debian 3.1 stable as a firewall.
But I found a bug... Which almost freezes my box.
Bind(9.2.4) DNS reports this error in the syslog:
"gettimeofday returned bad tv_usec: corrected"
I used the following program to verify the problem:
#include <sys/time.h>
#include <stdio.h>
int main (void) {
struct timeval now;
while (1) {
gettimeofday(&now, NULL);
printf("tv_sec = %d", now.tv_sec);
printf(" tv_usec = %d\n", now.tv_usec);
}
return 0;
}
output:
tv_sec = 1125328665 tv_usec = -12271264
tv_sec = 1125328665 tv_usec = -12271251
tv_sec = 1125328665 tv_usec = -12271239
These are the systemtime in seconds (tv_sec), followed
by a subdivion by microseconds (tv_usec), the last is of
course an integer between 0 and 999,999
So the systemtime microseconds reported by the
kernel/colinux is off. because it is negative, which is
normally not possible.
The result is that Bind is using 100% processortime
correcting it *every time*. I could patch bind, but the
problem could arise in other programs.
Please help!
Ewoud Kappers
ekappers@ewoudnet.nl
Logged In: YES
user_id=579204
Is corrected in newer versions. Your test works on 2.6.11-co-
0.6.3-pre13, the last snapsot. (No negative values)
http://www.colinux.org/snapshots
Henry