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Date:      Wed, 23 Dec 2009 10:11:11 +0100
From:      "Lhunath (Maarten B.)" <lhunath@gmail.com>
To:        freebsd-net@freebsd.org
Subject:   mskc0: Tx descriptor error
Message-ID:  <C7B75D6E-7FA4-4EB2-B242-BABF0E1877DF@gmail.com>

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Hey,

I'm having problems getting my Marvell Yukon to work.  I can =
successfully get it set up using DHCP, but when I start using it, I get =
error messages such as: "mskc0: Tx descriptor error" and "msk0: watchdog =
timeout".  This is using the msk(4) module from 8.0-RELEASE.

A bit of googling indicates that this problem is not uncommon, but had =
each time been resolved by patches that appear to have already been =
applied to the msk module that I'm using.

Some help would be appreciated.  Here is the ''dmesg'' output with =
bootverbose on and a ''vmstat -i'' should it matter.

=46rom dmesg:

mskc0: <Marvell Yukon 88E8056 Gigabit Ethernet> port 0xe800-0xe8ff mem =
0xfebfc000-0xfebfffff irq 17 at device 0.0 on pci4
pcib4: mskc0 requested memory range 0xfebfc000-0xfebfffff: good
mskc0: MSI count : 1
mskc0: attempting to allocate 1 MSI vectors (1 supported)
msi: routing MSI IRQ 256 to local APIC 0 vector 58
mskc0: using IRQ 256 for MSI
mskc0: RAM buffer size : 0KB
msk0: <Marvell Technology Group Ltd. Yukon EC Ultra Id 0xb4 Rev 0x03> on =
mskc0
msk0: bpf attached
msk0: Ethernet address: 00:1f:c6:83:a7:d0
miibus0: <MII bus> on msk0
e1000phy0: <Marvell 88E1149 Gigabit PHY> PHY 0 on miibus0
e1000phy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, =
1000baseT-FDX, auto
mskc0: [MPSAFE]
mskc0: [FILTER]
pci5: driver added
pci6: driver added
msk0: link state changed to DOWN
msk0: link state changed to UP
mskc0: Tx descriptor error
mskc0: Tx descriptor error
mskc0: Tx descriptor error
mskc0: Tx descriptor error
mskc0: Tx descriptor error
mskc0: Tx descriptor error
mskc0: Tx descriptor error
mskc0: Tx descriptor error
mskc0: Tx descriptor error
mskc0: Tx descriptor error
msk0: watchdog timeout
msk0: link state changed to DOWN
msk0: link state changed to UP


=46rom vmstat -i:

interrupt                          total       rate
irq14: ata0                          246          0
irq17: fwohci0                         2          0
irq20: ohci1                           1          0
irq21: ehci1                        9412          0
irq22: ohci0                        5379          0
irq23: ehci0+                      11296          1
cpu0: timer                     18926028       1999
irq256: mskc0                        377          0
Total                           18952741       2002




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