msk0: interrupt storm
John Baldwin
jhb at freebsd.org
Fri Apr 27 21:10:48 UTC 2012
On Friday, April 27, 2012 6:20:17 pm YongHyeon PYUN wrote:
> On Wed, Apr 25, 2012 at 09:35:28AM -0400, John Baldwin wrote:
> Hmm, would you give attach patch try?
> Yukon Extreme seems to have a new flow control feature but I'm not
> sure whether this is related with interrupt storm you're seeing.
No luck. :( I did seem to get many more interrupts with TWSI ready asserted
with this patch, but I did get a storm after a few hours, it has the same bit
set as before:
index cpu timestamp trace
------ --- ---------------- -----
602 0 26139273204228 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
601 0 26139273105828 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
600 0 26139273007620 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
599 0 26139272909292 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
598 0 26139272311224 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
597 0 26139272212920 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
596 0 26139272114688 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
595 0 26139272016384 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
594 0 26139271917972 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
593 0 26139271819800 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
592 0 26139271705008 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
591 0 26139271593960 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
590 0 26139271492056 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000
--
John Baldwin
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