From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Swett Subject: Re: Trying to track down odd behavior, errors in xen dmesg Date: Thu, 7 Apr 2011 11:02:55 -0500 Message-ID: References: <20110407135459.GB7258@dumpdata.com> <20110407160139.GA9826@dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20110407160139.GA9826@dumpdata.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Konrad Rzeszutek Wilk Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Local disk, partition, and LVM all work correctly. --Keith On Thu, Apr 7, 2011 at 11:01 AM, Konrad Rzeszutek Wilk wrote: > On Thu, Apr 07, 2011 at 10:52:37AM -0500, Keith Swett wrote: >> A bit more info to add, I just tested with AOE (ata over ethernet) >> instead of iSCSI and I see the same issue. > > Sure, but does it occur if you devices that are not using the network. > Like a local disk? > >> >> --Keith >> >> On Thu, Apr 7, 2011 at 8:54 AM, Konrad Rzeszutek Wilk >> 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 ge= t >> >> a slew of messages in xm dmesg: >> > This problem does not occur if the phy is pointing to a local disk? >> >> >> >> (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 >> > >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xensource.com >> http://lists.xensource.com/xen-devel >