msk0: interrupt storm
YongHyeon PYUN
pyunyh at gmail.com
Wed Mar 7 03:41:03 UTC 2012
On Tue, Mar 06, 2012 at 10:36:05AM -0500, John Baldwin wrote:
> On Thursday, March 01, 2012 8:29:55 pm YongHyeon PYUN wrote:
> > On Wed, Feb 29, 2012 at 01:03:29AM +0400, Pavel Gorshkov wrote:
> > > My laptop running 9.0-RELEASE/amd64/GENERIC freezes and
> > > (sometimes) unfreezes intermittently, logging the following:
> > >
> > > Feb 28 23:07:36 lifebook kernel: interrupt storm detected on "irq259:";
> throttling interrupt source
> > >
> > > $ vmstat -i
> > > ...
> > > irq259: mskc0 11669511 3456
> > >
> > >
> > > Looks very similar to this:
> > > http://www.freebsd.org/cgi/query-pr.cgi?pr=164569
> > >
> > > Any suggestions?
> >
> > Try disabling MSI and see whether that makes any difference.
>
> I also get interrupt storms with msk. They do fix themselves when they
> happen, and I've seen it happen with the machine is idle. This is on my
> little netbook where msk had several problems initially that have since been
> fixed.
>
> mskc0: <Marvell Yukon 88E8072 Gigabit Ethernet> port 0x2000-0x20ff mem
> 0xe0000000-0xe0003fff irq 19 at device 0.0 on pci32
> msk0: <Marvell Technology Group Ltd. Yukon EX Id 0xb5 Rev 0x02> on mskc0
> msk0: Ethernet address: 00:24:81:40:e3:ef
> miibus0: <MII bus> on msk0
> e1000phy0: <Marvell 88E1149 Gigabit PHY> PHY 0 on miibus0
> e1000phy0: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
> 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
>
> mskc0 at pci0:32:0:0: class=0x020000 card=0x3056103c chip=0x436c11ab
> rev=0x10 hdr=0x00
> vendor = 'Marvell Technology Group Ltd.'
> device = '88E8072 PCI-E Gigabit Ethernet Controller'
> class = network
> subclass = ethernet
>
John, can you let me know the value of B0_Y2_SP_ISRC2 register in
interrupt handler when you see the interrupt storm?
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