Network card msk0 problems

[Pyun YongHyeon]

On Sun, Jul 29, 2007 at 04:59:17PM -0400, Benjamin Adams wrote:
 > Looks like a problem with the network card.
 > 
 > 7.0-CURRENT-200706 FreeBSD 7.0-CURRENT-200706 #0: Thu Jun  7 21:38:42 UTC
 > 2007     root at stiles.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
 > 
 > Jul 29 16:01:55 Desktop kernel: msk0: link state changed to UP
 > Jul 29 16:01:58 Desktop kernel: Memory modified after free
 > 0xffffff0052429800(2048) val=1900c0de @ 0xffffff0052429800
 > Jul 29 16:02:00 Desktop kernel: Memory modified after free
 > 0xffffff0052428800(2048) val=1900c0de @ 0xffffff0052428800
 > Jul 29 16:02:03 Desktop kernel: Memory modified after free
 > 0xffffff0052428000(2048) val=1900c0de @ 0xffffff0052428000
 > Jul 29 16:02:04 Desktop kernel: Memory modified after free
 > 0xffffff0052427800(2048) val=1900c0de @ 0xffffff0052427800
 > Jul 29 16:02:05 Desktop kernel: Memory modified after free
 > 0xffffff0052427000(2048) val=1900c0de @ 0xffffff0052427000
 > 
 > 
 > This only happens sometimes:
 > Jul 29 16:20:00 Desktop kernel: msk0: link state changed to UP
 > Jul 29 16:20:17 Desktop su: adamsbd to root on /dev/ttyv0
 > Jul 29 16:20:38 Desktop kernel: Memory modified after free
 > 0xffffff0053e70000(2048) val=ffffc0de @ 0xffffff0053e70000
 > Jul 29 16:20:38 Desktop kernel: Memory modified after free
 > 0xffffff0053e71800(2048) val=ffffc0de @ 0xffffff0053e71800
 > Jul 29 16:20:38 Desktop kernel: Memory modified after free
 > 0xffffff0053e71000(2048) val=ffffc0de @ 0xffffff0053e71000
 > Jul 29 16:20:38 Desktop kernel: Memory modified after free
 > 0xffffff0053e72800(2048) val=1900c0de @ 0xffffff0053e72800
 > Jul 29 16:20:38 Desktop kernel: Memory modified after free
 > 0xffffff0053e72000(2048) val=1900c0de @ 0xffffff0053e72000
 > Jul 29 16:20:38 Desktop kernel: Memory modified after free
 > 0xffffff0053e73800(2048) val=1900c0de @ 0xffffff0053e73800
 > Jul 29 16:20:38 Desktop kernel: Memory modified after free
 > 0xffffff0053e73000(2048) val=1900c0de @ 0xffffff0053e73000
 > Jul 29 16:20:38 Desktop kernel: msk0: link state changed to DOWN
 > Jul 29 16:20:42 Desktop kernel: msk0: link state changed to UP
 > Jul 29 16:20:42 Desktop kernel: msk0: link state changed to DOWN
 > Jul 29 16:20:46 Desktop kernel: msk0: link state changed to UP
 > Jul 29 16:20:49 Desktop dhclient[1092]: connection closed
 > Jul 29 16:20:49 Desktop dhclient[1092]: exiting.
 > Jul 29 16:20:49 Desktop kernel: msk0: link state changed to DOWN
 > Jul 29 16:20:53 Desktop kernel: msk0: link state changed to UP
 > Jul 29 16:20:57 Desktop kernel: msk0: link state changed to DOWN
 > Jul 29 16:20:57 Desktop dhclient: New IP Address (msk0): 192.168.1.4
 > Jul 29 16:20:57 Desktop dhclient: New Subnet Mask (msk0): 255.255.255.0
 > Jul 29 16:20:57 Desktop dhclient: New Broadcast Address (msk0):
 > 192.168.1.255
 > Jul 29 16:20:57 Desktop dhclient: New Routers (msk0): 192.168.1.1
 > Jul 29 16:21:01 Desktop kernel: msk0: link state changed to UP
 > Jul 29 16:21:07 Desktop dhclient[1126]: connection closed
 > Jul 29 16:21:07 Desktop dhclient[1126]: exiting.
 > Jul 29 16:21:18 Desktop kernel: msk0: link state changed to DOWN
 > Jul 29 16:21:21 Desktop kernel: msk0: link state changed to UP
 > Jul 29 16:21:21 Desktop kernel: msk0: link state changed to DOWN
 > Jul 29 16:21:26 Desktop kernel: msk0: link state changed to UP
 > Jul 29 16:21:29 Desktop kernel: msk0: link state changed to DOWN
 > Jul 29 16:21:29 Desktop dhclient: New IP Address (msk0): 192.168.1.4
 > Jul 29 16:21:29 Desktop dhclient: New Subnet Mask (msk0): 255.255.255.0
 > Jul 29 16:21:29 Desktop dhclient: New Broadcast Address (msk0):
 > 192.168.1.255
 > Jul 29 16:21:29 Desktop dhclient: New Routers (msk0): 192.168.1.1
 > Jul 29 16:21:33 Desktop kernel: msk0: link state changed to UP
 > 
 > Network card:
 > kernel: mskc0: <Marvell Yukon 88E8056 Gigabit Ethernet> port 0x9c00-0x9cff
 > mem 0xfdcfc000-0xfdcfffff irq 16 at device 0.0 on pci3
 > kerrnel: msk0: <Marvell Technology Group Ltd. Yukon EC Ultra Id 0xb4 Rev
 > 0x02> on mskc0
 > 

I guess you're the first one reported 'memory modified free' issue.
I've never seen these warnings except inital driver development stage.
Would you show me verbosed boot messages related with msk(4) and
phy drivers?

-- 
Regards,
Pyun YongHyeon