Messages in this thread | | | Date | Tue, 20 Jan 2004 20:46:06 +1030 | From | "Mark Williams (MWP)" <> | Subject | Re: TG3: very high CPU usage |
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> [you may want to use linux-net@vger.kernel.org instead of linux-kernel; its > possible that the tg3 folk lost your email in the flood] > > At 08:17 PM 20/01/2004, Andreas Hartmann wrote: > >Hi, > > > >I searched for tg3 in lkml and found one more posting, dealing with these > >problems (subject): > > > >bcm5705 with tg3 driver and high rx load -> bad system responsiveness > > > >There really seems to be a problem. Ronald Wahl pointed out, that the > >driver from > >http://www.broadcom.com/drivers/downloaddrivers.php does not have the > >problem. Maybe, we could both look for drivers from the hardware producer > >and test them? I will do it when I'm back at work in two weeks. > > how exactly are you "triggering" the high CPU load? i.e. what is the > server doing? file-sharing? NFS? CIFS? something else?
Any transfer (Apache, FTP, Samaba), causes it.
> i have LOTS of IBM xSeries servers (IBM x335, x345, x440), all of which > have Broadcom BCM 5700 (tg3) NICs. > i drive them all at wire-rate gig-e with iSCSI. > > i'm yet to see any 'excessive' CPU load associated with tg3 relative to > tigon2 (AceNIC2) and Intel e1000 NICs.
It might not effect those cards. I think the TG3 driver was changed to support the card im trying to use (Netgear GA302T) and similar. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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