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Mike Jakubik wrote:
> On Mon, December 8, 2008 5:22 pm, Mike Jakubik wrote:
>> On Mon, December 8, 2008 5:12 pm, Xin LI wrote:
>>
>>> Which version are you currently using? My previous commit only fixes
>>> the excessive interrupt issue, I think this could be a different
>>> problem, I'm taking a look at the code to see if I can have something
>>> for you.
>> I was running on the version just prior to the latest interrupt commit. I
>> have now updated to the one with the interrupt fix. Will let you know if
>> things change.
>>
>> Thank You.
>
> The interrupt rate has decreased significantly, however i am still having
> having problem with applications that hold stateful connections. The rx
> errors are also still showing, i suspect this is related to the problem.
> How can i roll back this driver to the last known good version?
Hi, Mike,
I think they are different problems. Could you, please, give me
feedback about whether:
- The old driver does not trigger the problem?
- The patched driver restore all the old driver behavior?
=============
Rationale for my patch. To say it simply, it removes "Received L2
packets discarded" value from being counted from ierror. In the past,
we count the following:
- Undersize packets
- Oversized packets
- Received packets discarded due to lack of controller buffer memory
- Alignment errors
- Frame check sequence errors
Now, it counts the following four stuff as well:
- Received L2 packets discarded ** removed
- Received packets discarded by rule
- Received packet FTQ discards
- Valid packets received but no RX buffers available
I have checked the old FreeBSD driver and the Linux driver, both have
the "Received L2 packets discarded" value increasing every second, so I
don't believe that this is a real problem. I'll double check with David
to make sure about this.
Cheers,
- --
Xin LI <delp...@delphij.net> http://www.delphij.net/
FreeBSD - The Power to Serve!
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Index: if_bce.c
===================================================================
--- if_bce.c (revision 186076)
+++ if_bce.c (working copy)
@@ -7408,7 +7408,6 @@
(u_long) sc->stat_IfInMBUFDiscards +
(u_long) sc->stat_Dot3StatsAlignmentErrors +
(u_long) sc->stat_Dot3StatsFCSErrors +
- (u_long) sc->stat_IfInFramesL2FilterDiscards +
(u_long) sc->stat_IfInRuleCheckerDiscards +
(u_long) sc->stat_IfInFTQDiscards +
(u_long) sc->com_no_buffers;
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