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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Trying to track down odd behavior, errors in xen dmesg
Not a problem, would be happy to beta test. Send the patches my way whenever they're available. Would you like me to be building against the debian-src of the packages or would another tree be more beneficial? --Keith On Fri, Apr 8, 2011 at 8:53 AM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > On Fri, Apr 08, 2011 at 08:40:10AM -0500, Keith Swett wrote: >> Another update: >> >> Retested using Xen 4.0.1-2 (i386 install) >> and Dom0 Kernel 2.6.32-5-xen-686 >> with the same kernel for the domU. The same strange behavior still >> shows up when using iSCSI backing. > > So way back at VirtualIron we had some of these issues (if this > is the same issue) and we fixed it by holding on the pages that > went to the network stack and took a bit of time to get back. > > I was going to dust them of next week to prepare the blkback for > upstream submission. Are you up for being a beta-tester? Will > require some kernel recompilation. > >> >> --Keith >> >> On Thu, Apr 7, 2011 at 11:39 AM, Keith Swett <swettk@xxxxxxxxx> wrote: >> > Here's a summary: >> > >> > All installs are Debian Squeeze >> > >> > These stay the same for all tests: >> > Host is Xen 4.0.1-2 (AMD64 install) >> > Dom0 Kernel is 2.6.32-5-xen-amd64 >> > >> > Test procedure: >> > Install Debian Distro via PXE boot using HVM. >> > If successful, install xen version of kernel, reboot in non-HVM mode. >> > >> > DomUs: >> > >> > with iSCSI: >> > debian pxe netboot installer i386 in HVM mode WORKS (disk detects as >> > Qemu hard drive) >> > FAIL after installing a xen kernel (linux-image-xen-686_2.6.32+29) and >> > switching to builder=linux >> > >> > debian pxe netboot installer AMD64 in HVM mode FAIL (disk detects as >> > Xen Virtual Hard drive) >> > >> > with AOE: >> > debian pxe netboot installer AMD64 in HVM mode FAIL (disk detects as >> > Xen Virtual Hard drive) >> > >> > with LVM: >> > debian pxe netboot installer i386 in HVM mode WORKS (disk detects as >> > Qemu hard drive) >> > WORKS after installing a xen kernel (linux-image-xen-686_2.6.32+29) >> > and switching to builder=linux >> > >> > debian pxe netboot installer AMD64 in HVM mode WORKS (disk detects as >> > Xen Virtual hard drive) >> > WORKS after installing a xen kernel >> > (linux-image-2.6-xen-amd64_2.6.32+29) and switching to builder=linux >> > >> > the tests for physical drives are identical to the LVM tests. >> > >> > In all FAIL cases, similar messages appear in xm dmesg. >> > >> > --Keith >> > >> > >> > >> > On Thu, Apr 7, 2011 at 11:23 AM, Konrad Rzeszutek Wilk >> > <konrad.wilk@xxxxxxxxxx> wrote: >> >> 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@xxxxxxxxxx> 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@xxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxx >> >>> >> >> http://lists.xensource.com/xen-devel >> >>> >> > >> >>> >> >> >>> >> _______________________________________________ >> >>> >> Xen-devel mailing list >> >>> >> Xen-devel@xxxxxxxxxxxxxxxxxxx >> >>> >> http://lists.xensource.com/xen-devel >> >>> > >> >>> >> >>> _______________________________________________ >> >>> Xen-devel mailing list >> >>> Xen-devel@xxxxxxxxxxxxxxxxxxx >> >>> http://lists.xensource.com/xen-devel >> >> >> > >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@xxxxxxxxxxxxxxxxxxx >> http://lists.xensource.com/xen-devel > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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