On Tuesday, Sep 30, 2003, at 19:03 Australia/Brisbane, Helge Oldach wrote:
Damon Anton Permezel:Recent SUP. Installed on Dell PowerEdge 4600. Getting tons of:
Sep 30 12:23:16 zige /kernel: bge0: gigabit link up Sep 30 12:23:46 zige last message repeated 98 times
Also getting some TCP retransmits. This causes noticable delays in pretty much everything I do now. Not a problem prior to the SUP. I was on 4.8-STABLE before.
When pulling/replacing cables, it went into a mode where it would drop link, renegotiate, drop link, reneg, ... for a few minutes and then it stopped. Had to power cycle machine to recover.
I am using a Dell 2650 whose bge identifies as:
bge0: <Broadcom BCM5701 Gigabit Ethernet, ASIC rev. 0x105> mem 0xfcf10000-0xfcf1ffff irq 11 at device 6.0 on pci3
bge1: <Broadcom BCM5701 Gigabit Ethernet, ASIC rev. 0x105> mem 0xfcf00000-0xfcf0ffff irq 13 at device 8.0 on pci3
bge0: <Broadcom BCM5700 Gigabit Ethernet, ASIC rev. 0x7104> mem 0xfcf00000-0xfcf0ffff irq 10 at device 6.0 on pci1
The kernel is from a SUP of less than 12 hours ago. Things went from "ok" to "lousy" as soon as I rebooted.
The CVS log indicates that there have been 2 recent changes based on BCM5701 errata.
I suspect that this is hosing the 5700.
---------------------------- revision 1.3.2.28 date: 2003/09/26 16:02:04; author: ps; state: Exp; lines: +1 -1 MFC rev 1.55 By not setting No_CRC in the Mode Control Register, we must also reduce the size of the packet by 4 bytes to remove the ethernet crc.
Approved by: re ---------------------------- revision 1.3.2.27 date: 2003/09/23 02:34:49; author: ps; state: Exp; lines: +1 -2 MFC: rev 1.54, Do not set the No_CRC bit in the Mode Control Register.
Tomorrow, I will pull out the revision prior to those changes and see if it fixes it.....
I acknowledge that I have seen many of the "gigabit link up" messages
formerly, but they disappeared some weeks ago. They definitely don't
show up with a recent kernel (built just after the sendmail commits last
week).
I don't see tcp retransmits either (total of 29, to be precise :-)).
Maybe you are still using an older kernel, or there is something broken with your network infrastructure? I am running with the bge's connected to different Cisco switches (4507R and 3550).
And yes, this is a heavy traffic system.
Helge
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