RELENG_7_1: bce driver change generating too much interrupts ?

[geoffroy desvernay]

Xin LI a écrit :
> Can anyone try reverting the changeset itself?  There are two recent
> changesets:
> 
> 	http://www.delphij.net/bce-185161.diff.bz2
> 	http://www.delphij.net/bce-184826.diff.bz2
> 
> You can revert the change by doing this:
> 
> cd /usr/src
> fetch http://www.delphij.net/bce-185161.diff.bz2
> fetch http://www.delphij.net/bce-184826.diff.bz2
> bzcat bce-185161.diff.bz2 | patch -R
> bzcat bce-184826.diff.bz2 | patch -R
> 
> I'll check what's happening ASAP.
> 
Done:

I'd say it seems to be related...

Before applying your patches:
# vmstat -i
interrupt                          total       rate
irq1: atkbd0                          18          0
irq14: ata0                           58          0
irq20: uhci1                          96          0
irq21: uhci0 uhci+                     5          0
irq78: mfi0                       539747          3
cpu0: timer                    350029937       1999
irq256: bce0                  6757905080      38611
irq259: bce1                  8296789513      47403
cpu1: timer                    350029945       1999
cpu2: timer                    350030010       1999
cpu3: timer                    350030025       1999
Total                        16455354434      94018


After patch, make buildkernel && make reinstallkernel and reboot
interrupt                          total       rate
irq1: atkbd0                          18          0
irq14: ata0                           58          0
irq20: uhci1                           2          0
irq21: uhci0 uhci+                     5          0
irq78: mfi0                         3947         24
cpu0: timer                       320361       1989
irq256: bce0                        6658         41
irq259: bce1                        1428          8
cpu1: timer                       320320       1989
cpu2: timer                       320380       1989
cpu3: timer                       320507       1990
Total                            1293684       8035

-- 
geoffroy desvernay

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