On Tue, Aug 22, 2006 at 02:32:48AM +0000, Pyun YongHyeon wrote: P> yongari 2006-08-22 02:32:48 UTC P> P> FreeBSD src repository P> P> Modified files: P> sys/dev/em if_em.c P> Log: P> It seems that em(4) misses Tx completion interrupts under certain P> conditions. The cause of missing Tx completion interrupts comes from P> Tx interrupt moderation mechanism(delayed interrupts) or chipset bug. P> If Tx interrupt moderation mechanism is the cause of false watchdog P> timeout error we should have to fix all device drivers that have Tx P> interrupt moderation capability. We may need more investigation P> for this issue. Anyway, the fix is the same for both cases. P> P> This should fix occasional watchdog timeout errors seen on a few P> systems. P> P> Reported by: -net, Patrick M. Hausen < hausen AT punkt DOT de > P> Tested by: Patrick M. Hausen < hausen AT punkt DOT de >
This look like a workaround, not a fix the root of the problem. Several people on net said that this problem disappears if debug.mpsafenet=0. So I think there is a problem in FreeBSD or driver, not in chip. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE _______________________________________________ cvs-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"
