From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keith Swett <swettk@gmail.com>
Subject: Re: Trying to track down odd behavior, errors in xen dmesg
Date: Thu, 7 Apr 2011 09:45:48 -0500
Message-ID: <BANLkTim0aFybt7v=hN=JBz2+FwpXpAT3Ww@mail.gmail.com>
References: <BANLkTinhWt9ka2_eUrkTHRyhsNJbQm58=w@mail.gmail.com>
	<20110407135459.GB7258@dumpdata.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <20110407135459.GB7258@dumpdata.com>
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

On Thu, Apr 7, 2011 at 8:54 AM, Konrad Rzeszutek Wilk
<konrad.wilk@oracle.com> wrote:
> On Wed, Apr 06, 2011 at 11:30:02AM -0500, Keith Swett wrote:
>> Hi,
>>
>> I'm having a strange issue with Xen 4.0.1 AMD64 (debian squeeze).
>> I am importing a iSCSI lun into dom0 from a storage array (using
>> open-iscsi), this is used as the disk [phy:] for my domU.
>
>> If I use HVM, the install works correctly. As soon as I switch to pv
>> for the disk drivers (after installing a xen kernel in the domU) I get
>> a slew of messages in xm dmesg:
> This problem does not occur if the phy is pointing to a local disk?

No issues when pointing to local disk, partition or LVM.

>> (XEN) grant-table.c:1956:d0 Could not get src frame 3f3149
>> (XEN) printk: 1851 messages suppressed.
>> (XEN) grant-table.c:1956:d0 Could not get src frame 3f3728
>> (XEN) printk: 1354 messages suppressed.
>> (XEN) grant-table.c:1956:d0 Could not get src frame 3f3485
>> (XEN) printk: 1890 messages suppressed.
>> (XEN) grant-table.c:1956:d0 Could not get src frame 3f3e58
>> (XEN) printk: 2153 messages suppressed.
>> (XEN) grant-table.c:1956:d0 Could not get src frame 3f3c9c
>> (XEN) printk: 1912 messages suppressed.
>> (XEN) grant-table.c:1956:d0 Could not get src frame 3f4287
>> (XEN) printk: 2287 messages suppressed.
>> (XEN) grant-table.c:1956:d0 Could not get src frame 3f40dc
>> Disk speed is very slow as well. Running DD in the domU to write a
>> file to disk causes more error messages to appear. =A0It also badly
>> corrupts the disk in some cases.
>> Testing from a local LVM works without error in all cases.
>>
>> Any suggestions?
>> --Keith
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel
>