regression: msk0 watchdog timeout and interrupt storm

[Jeff Tipton]

On 01/27/2014 23:10, Jeff Tipton wrote:
> Hi,
>
> I also have this problem on Samsung N220 netbook, except I don't have 
> any "interrupt storm" messages. When it boots up, it works a couple of 
> minutes, and then "msk0: watchdog timeout" message appears. And, yes, 
> the fastest way to reproduce the error is to try to copy a file via 
> scp (even a 6MB file is enough).
>
> uname -a
>
> FreeBSD [..] 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Thu Jan 16 
> 22:34:59 UTC 2014 root at snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC 
> amd64
>
> pciconf -lcv
> [..]
>
> mskc0 at pci0:9:0:0:    class=0x020000 card=0xc072144d chip=0x435411ab 
> rev=0x00 hdr=0x00
>     vendor     = 'Marvell Technology Group Ltd.'
>     device     = '88E8040 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 L0s/L1(L0s/L1)
>     ecap 0001[100] = AER 1 0 fatal 0 non-fatal 1 corrected
>     ecap 0003[130] = Serial 1 f0d173ffff542400
>
> I have FreeBSD 9.2-RELEASE on another partition, and msk0 works just 
> fine there.
>
> I also tried to change if_mskreg.h as Curtis suggested, recompiled the 
> kernel but it didn't help; nothing changed :(
>
> Jeff
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And, yes, I also found out that after having been booted into 10.0, if I 
immediately reboot into 9.2, msk0 doesn't work there either; no 
"watchdof timeout" messages, though; but ifconfig shows "no carrier"; 
restarting interface or netif service doesn't help. I had to switch the 
netbook off completely and take the battery out for some minutes, and 
only then it finally worked in 9.2 again.