From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Trying to track down odd behavior, errors in xen dmesg Date: Thu, 7 Apr 2011 12:23:07 -0400 Message-ID: <20110407162307.GA30422@dumpdata.com> 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: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keith Swett Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Thu, Apr 07, 2011 at 11:02:55AM -0500, Keith Swett wrote: > Local disk, partition, and LVM all work correctly. And you mentioned that at the end and I completly missed it. Ooops. Sorry about that. You mentioned Xen 4.0.1... so when did this work? What kernel/hypervisor did not exhibit this problem? >=20 > --Keith >=20 > 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 get > >> >> 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 bad= ly > >> >> 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 > > >=20 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel