kern/47634: Broadcom BCM57762 Gigabit Ethernet (bge0) does not work anymore

[ryoon%NetBSD.org@localhost]

>Number:         47634
>Category:       kern
>Synopsis:       Broadcom BCM57762 Gigabit Ethernet (bge0) does not work anymore
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Mar 08 21:15:00 +0000 2013
>Originator:     Ryo ONODERA
>Release:        NetBSD 6.99.17
>Organization:
        
>Environment:
        
        
System: NetBSD tellurium.elements.tetera.org 6.99.17 NetBSD 6.99.17 
(NODKWEDGE2) #0: Sat Mar 9 05:47:39 JST 2013 
root%tellurium.elements.tetera.org@localhost:/usr/obj/sys/arch/amd64/compile/NODKWEDGE2
 amd64
Architecture: x86_64
Machine: amd64
>Description:
With today's kernel, bge0 (Broadcom BCM57762 Gigabit Ethernet) does not
work anymore.
With 2013-02-27's kernel, bge0 (Broadcom BCM57762 Gigabit Ethernet) works fine.

Error message is here.

bge0: watchdog timeout -- resetting
bge0: block failed to stop: reg 0xc00, bit 0x00000002


And dmesg of bge part is following.

ppb7 at pci7 dev 0 function 0WARNING: module error: vfs load failed 45 for `pciv
erbose'
WARNING: module error: vfs load failed 45 for `pciverbose'
: vendor 0x8086 product 0x1549 (rev. 0x00)
ppb7: PCI Express 2.0 <Downstream Port of PCI-E Switch> x4 @ 5.0Gb/s
ppb7: link is x1 @ 2.5Gb/s
pci8 at ppb7 bus 8
pci8: i/o space, memory space enabled, rd/line, wr/inv ok
bge0 at pci8 dev 0 function 0: Broadcom BCM57762 Gigabit Ethernet
bge0: interrupting at ioapic0 pin 19
bge0: ASIC unknown BCM57766 (0x57766000), Ethernet address 40:6c:8f:58:6c:c5
bge0: setting short Tx thresholds
brgphy0 at bge0 phy 1: BCM57765 1000BASE-T media interface, rev. 0
brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto
        
>How-To-Repeat:

# dhcpcd bge0
bge0: watchdog timeout -- resetting
bge0: block failed to stop: reg 0xc00, bit 0x00000002
        
>Fix:
        
I have no idea.

>Unformatted: