--- On Wed, 6/25/08, Juergen Keil <[EMAIL PROTECTED]> wrote:
From: Juergen Keil <[EMAIL PROTECTED]>
Subject: Re: [xen-discuss] Bug 6703227
To: [EMAIL PROTECTED], "David Edmondson" <[EMAIL PROTECTED]>
Cc: xen-discuss@opensolaris.org
Date: Wednesday, June 25, 2008, 10:47 AM
> Attached log is raw tcpdump obtained during attempt to install
> SNV90 PV DomU at SNV92 Dom0 (xVM bits upgraded to 92 as well)
Just to confirm: you created that tcpdump on your second
computer, and not on the SNV92 Dom0 system, correct?
******************
Yes, it's correct
******************
> As suggested by Jurgen:-
> SUNWPython, SUNWPython-devel reinstalled from SNV89 DVD
> Bad udp checksums may be viewed in attached log:-
14:50:03.351881 IP (tos 0x0, ttl 255, id 14780, offset 0, flags [DF], proto:
UDP (17), length: 328) 0.0.0.0.bootpc > 255.255.255.255.bootps: [bad
udp cksum e8f!] BOOTP/DHCP, Request from 00:16:3e:7a:4c:a4 (oui Unknown),
length: 300, xid:0xa25a435c, secs:3, flags: [none] (0x0000)
Client Ethernet Address: 00:16:3e:7a:4c:a4 (oui Unknown)
Vendor-rfc1048:
DHCP:DISCOVER
MSZ:1472
LT:4294967295
VC:"SUNW.i86xpv"
PR:SM+DG+NS+HN+DN+BR+VO
0x0000: 4500 0148 39bc 4000 ff11 40e9 0000 0000
0x0010: ffff ffff 0044 0043 0134>>0145<<0101 0600
0x0020: a25a 435c 0003 0000 0000 0000 0000 0000
0x0030: 0000 0000 0000 0000 0016 3e7a 4ca4 0000
0x0040: 0000 0000 0000 0000 0000 0000 0000 0000
0x0050: 0000 0000 0000 0000 0000 0000 0000 0000
0x0060: 0000 0000 0000 0000 0000 0000 0000 0000
0x0070: 0000 0000 0000 0000 0000 0000 0000 0000
0x0080: 0000 0000 0000 0000 0000 0000 0000 0000
0x0090: 0000 0000 0000 0000 0000 0000 0000 0000
0x00a0: 0000 0000 0000 0000 0000 0000 0000 0000
0x00b0: 0000 0000 0000 0000 0000 0000 0000 0000
0x00c0: 0000 0000 0000 0000 0000 0000 0000 0000
0x00d0: 0000 0000 0000 0000 0000 0000 0000 0000
0x00e0: 0000 0000 0000 0000 0000 0000 0000 0000
0x00f0: 0000 0000 0000 0000 0000 0000 0000 0000
0x0100: 0000 0000 0000 0000 6382 5363 3501 0139
0x0110: 0205 c033 04ff ffff ff3c 0b53 554e 572e
0x0120: 6938 3678 7076 3707 0103 060c 0f1c 2bff
0x0130: 0000 0000 0000 0000 0000 0000 0000 0000
0x0140: 0000 0000 0000 0000
This UDP packet has an UDP checksum of 0145, and that's
apparently the checksum for the UDP pseudo header
with Src IP 0.0.0.0, Dest IP 255.255.255.255, Proto 11,
Length 134:
> 0000+0000+ffff+ffff+11+134=X
20143
> 2+0143
145
So, if that packet was traced on a box different from the one
running the SNV92 Dom0, then the realtec device / driver
didn't update the checksum at all...
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