Re: New em driver
- From: Nikolay Pavlov <quetzal@xxxxxxxxxxxx>
- Date: Tue, 31 Oct 2006 19:35:13 +0200
On Saturday, 28 October 2006 at 10:10:26 -0700, Jack Vogel wrote:
On 10/28/06, Nikolay Pavlov <quetzal@xxxxxxxxxxxx> wrote:
On Friday, 27 October 2006 at 18:44:37 -0700, Jack Vogel wrote:
After a conference call today, it was decided that a merge of
my Intel driver base and the STABLE code would take place.
This code undoes the INTR_FAST/taskqueue approach for right
now. Work will continue to get that to work, but the hope is that
this driver will be more stable for the 6.2 release.
I encourage everyone that has been having issues to pull the
new driver and give us feedback. A few select testers so far
have seen stable performance.
Cheers,
Jack
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Hi, Jack.
Could you please post here exact revision number of this merge, just for
history.
Sure thing:
Log:
Merge of Intel 6.2.9 em driver code.
Approved by: re, scottl, jhb, pdeuskar
Revision Changes Path
1.65.2.19 +731 -589 src/sys/dev/em/if_em.c
1.32.2.5 +97 -71 src/sys/dev/em/if_em.h
1.16.2.4 +574 -531 src/sys/dev/em/if_em_hw.c
1.15.2.5 +96 -148 src/sys/dev/em/if_em_hw.h
1.14.2.3 +46 -52 src/sys/dev/em/if_em_osdep.h
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Hi, Jack. After 22 minutes of production running i have watchdog timeout
with new em driver:
root@movieserver:~# uname -a
FreeBSD movieserver 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #0: Tue Oct 31
11:00:14 EST 2006 root@movieserver:/usr/obj/usr/src/sys/GENERIC i386
Oct 31 12:22:12 movieserver kernel: em0: watchdog timeout -- resetting
Oct 31 12:22:12 movieserver kernel: em0: link state changed to DOWN
Oct 31 12:22:15 movieserver kernel: em0: link state changed to UP
Average load on this em card is ~ 5000-6000 interrupts per second.
BUT i want to admit that i have watchdog timeout problems ONLY with this
chip:
em0@pci3:2:0: class=0x020000 card=0x10118086 chip=0x10108086 rev=0x01 hdr=0x00
vendor = 'Intel Corporation'
device = '82546EB Dual Port Gigabit Ethernet Controller (Copper)'
class = network
subclass = ethernet
on all my servers regardless of UP or SMP kernel. I have even box with
FreeBSD 5.5 with such em timeouts.
--
======================================================================
- Best regards, Nikolay Pavlov. <<<-----------------------------------
======================================================================
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- References:
- New em driver
- From: Jack Vogel
- Re: New em driver
- From: Nikolay Pavlov
- Re: New em driver
- From: Jack Vogel
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