Re: Trying to track down odd behavior, errors in xen dmesg

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

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?


> 
> --Keith
> 
> On Thu, Apr 7, 2011 at 11:01 AM, Konrad Rzeszutek Wilk
> <konrad.wilk@oracle.com> 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
> >> <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?
> >> >>
> >> >> (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.  It 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
> >
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel