regression: msk0 watchdog timeout and interrupt storm
Yonghyeon PYUN
pyunyh at gmail.com
Wed Oct 30 02:17:05 UTC 2013
On Tue, Oct 29, 2013 at 05:38:27PM +0400, Boris Samorodov wrote:
> Hi Yonghyeon and All,
>
Hi,
> >From time to time I use a notebook and boot FreeBSD from USB
> stick. FreeBSD 9.2-i386 works OK. So I tried to use
> FreeBSD 10.0-i386 BETA2 and the network adapter works for
> some 10-15 seconds and then stops with diagnostic message
> "msk0:watchdog timeout". I've found similar case at
> freebsd-current@ with no workaround. Yes, there is an
> interrupt storm as well.
There had been no functional changes for very long time so I'm not
sure what's going on here. I've attached local change I have at
this moment but I'm afraid it wouldn't address the issue above.
I recall jhb also reported interrupt storm in the past but the root
cause was not identified yet. Could you change msk_intr() and let
me know which interrupt is firing?
>
> Here is some additional info:
> -----
> mskc0 at pci0:3:0:0: class=0x020000 card=0xff501179 chip=0x435511ab
> rev=0x12 hdr=0x00
> vendor = 'Marvell Technology Group Ltd.'
> device = '88E8040T PCI-E Fast Ethernet Controller'
> class = network
> subclass = ethernet
> cap 01[48] = powerspec 3 supports D0 D1 D2 D3 current D0
> cap 05[5c] = MSI supports 1 message, 64 bit enabled with 1 message
> cap 10[c0] = PCI-Express 2 legacy endpoint max data 128(128) link x1(x1)
> speed 2.5(2.5) ASPM disabled(L0s/L1)
> ecap 0001[100] = AER 1 0 fatal 0 non-fatal 1 corrected
> ecap 0003[130] = Serial 1 b8b063ffff681e00
> -----
>
> --
> WBR, Boris Samorodov (bsam)
> FreeBSD Committer, http://www.FreeBSD.org The Power To Serve
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