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Re: [Xen-devel] Data broken during FTP test

Hi All,

We are investigating the problem that data was broken during FTP test.

This problem seems not to be reproduced since changeset 13511 of xen-unstable.hg.
Moreover, it is generated only by PAE of X86.
(It did not reproduce it when working with x86_64 in the same machine.)
When HIGHMEM was not used, it didn't reproduce it.

The kernel has been updated from 2.6.17 to 2.6.18 by this changeset.
Because the amount of the correction is large,
we do not understand where of this change set this problem is corrected.

Will you understand where to be corrected?
If the part where this problem is corrected can be understood,
could you teach to us?


The environment for your information reproduced is as follows.

Xen :
- xen-unstable.hg: before cs13511
NICs :
- Broadcom Corporation NetXtreme BCM5715 Gigabit Ethernet (rev a3)
- Intel Corporation 82545GM Gigabit Ethenet Controller (rev 04)
Guests :
- DomU
- DomVTx(RHEL5GA)
- DomVTx(RHEL5GA) + PV_ON_HVM(VNIF)
Others:
- SG and TSO flag: ENABLE
- Memory
  ・Domain0       : HIGHMEM
  ・Guest Domains : 2GByte

Best Regards,

--
Takanori Kasai


----- Original Message ----- From: "Kasai Takanori" <kasai.takanori@xxxxxxxxxxxxxx> To: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>; "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Cc: "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Sent: Tuesday, June 05, 2007 8:00 PM
Subject: Re: [Xen-devel] Data broken during FTP test


Hi All,

We are investigating the problem that data was broken during FTP test.

It did not reproduce it in the latest changeset. (xen-unstable.hg: cs15072)

We tested other changesets.
The test result is as follows.

version                |   result
-----------------------+---------------
xen-3.0.3-testing.hg   |   Broken
xen-3.0.4-testing.hg   |   Not Broken
xen-3.1-testing.hg     |   Not Broken

Therefore, it seems that it is corrected between from 3.0.3 to 3.0.4.
We will investigate by which changeset this problem is corrected.

Best Regards,

--
Takanori Kasai


----- Original Message ----- From: "Kasai Takanori" <kasai.takanori@xxxxxxxxxxxxxx> To: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>; "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Cc: "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Sent: Thursday, May 24, 2007 8:04 PM
Subject: Re: [Xen-devel] Data broken during FTP test


Hi All,

I'm sorry the mistake was found in mail.
It is a mistake of not DomVTi but DomVTx.

Best Regards,

--
Takanori Kasai

----- Original Message ----- From: "Kasai Takanori" <kasai.takanori@xxxxxxxxxxxxxx> To: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>; "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Cc: "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Sent: Thursday, May 24, 2007 6:33 PM
Subject: Re: [Xen-devel] Data broken during FTP test


Hi Ian and Keir,

I'm sorry for delaying response.


Can you reproduce if you uninstall the RHEL5 xen/kernel and xen tools
and libs RPMs and then install binaries built from xen-unstable?

We will reproduce it with xen-unstable.hg.

We tested it with the same machine.
The environment is as follows.

Xen :
- xen-unstable.hg: cs15072
NICs :
- Broadcom Corporation NetXtreme BCM5715 Gigabit Ethernet (rev a3)
- Intel Corporation 82545GM Gigabit Ethenet Controller (rev 04)
Guests :
- DomU
- DomVTi(RHEL5GA)
- DomVTi(RHEL5GA) + PV_ON_HVM(VNIF)
Others:
- SG and TSO flag: ENABLE
- Memory
   ・Domain0       : 1GByte
   ・Guest Domains : 2GByte

The test result was not reproduced as follows.

                           |    Broadcom   |    Intel
----------------------------+---------------+---------------
 DomU                      |   Not broken  |   Not broken
 DomVTi(RHEL5GA)           |   Not broken  |   Not broken
 DomVTi(RHEL5GA)+VNIF      |   Not broken  |   Not broken

Next, the tg3 driver and the e1000 driver were replaced with RHEL5GA.
However, the result was not reproduced similarly.

Is there a correction related to this problem since xen3.0.3?

Best Regards,

--
Takanori Kasai




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