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port-i386/42514: msk panic while transfering data

>Number:         42514
>Category:       port-i386
>Synopsis:       msk panic while transfering data
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-i386-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 24 00:40:00 +0000 2009
>Originator:     Bernd Ernesti
>Release:        NetBSD 5.0_STABLE 20091223 1200UTC
System: NetBSD 5.0_STABLE
Architecture: i386
Machine: i386

        I transfered some MB and suddenly I got the following panic (hand 

trap type 6 code 2 eip c0611ed4 cs 8 eflags 10286 cr2 ba851408 ilevel 7
kernel: supervisor trap page fault, code=0
Stopped in pid 2205.1 (rsync) at netbsd:msk_jalloc+0x34: movl %eax,0x8 (%edx)
> bt
 at netbsd:intr_biglock_wrapper+0x1f

        with this device:

mskc0 at pci3 dev 0 function 0ioapic0: int18 
a065<vector=65,delmode=0,actlo,level,dest=0> 0<target=0>
mskc0: interrupt moderation is 0 us
, Yukon-2 EC Ultra rev. B0 (0x3): ioapic0 pin 18
msk0 at mskc0 port A: Ethernet address 00:23:54:xx:xx:xx
ukphy0 at msk0 phy 0: Generic IEEE 802.3u media interface
ukphy0: OUI 0x000ac2, model 0x000b, rev. 1
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto

        There is no support for the phy in 5.0_STABLE.
        That was only recently added in current (2009/12/13 and 2009/12/14):
                src/sys/dev/mii/makphy.c        rev 1.33
                src/sys/dev/mii/miidevs rev 1.91

        I'm not sure, but in my case I transfered some MB before it happend.


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