Re: Disk Benchmark results, kvm-69

2008-07-21 Thread Henrik Holst
2008/5/26 Henrik Holst <[EMAIL PROTECTED]>: > > We have performed some quick benchmarks against kvm-69 on an Intel Q6600 > with 8GB RAM and equipped with 4 SATA drives (Maxtor DiamondMax 10 > 6V300F0). > > During these tests we noticed a problem with the virtio bl

scsi broken > 4GB RAM

2008-07-23 Thread Henrik Holst
ee if it works or not? If so it could be the linux driver that is faulty. /Henrik Holst -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: scsi broken > 4GB RAM

2008-07-25 Thread Henrik Holst
2008/7/23 Henrik Holst <[EMAIL PROTECTED]> > > I do not know if this is a bug in qemu or the linux kernel sym53c8xx > module (I haven't had the opportunity to test with anything other than > Linux at the moment) but if one starts an qemu instance with -m 4096 > and lar

Re: [ANNOUNCE] kvm-72 release

2008-07-27 Thread Henrik Holst
the newer isolinux menus to work but the older isolinux (for example the installer to ubuntu 7.10) still does not work. It no longer segfaults though but instead the guest completely hangs. Much improvement though! /Henrik Holst -- To unsubscribe from this list: send the line "unsubscribe kvm&qu

Re: [ANNOUNCE] kvm-72 release

2008-07-28 Thread Henrik Holst
2008/7/28 Anthony Liguori <[EMAIL PROTECTED]>: > Henrik Holst wrote: >> >> There is a boot regression in kvm-72: >> >> scsi and virtio images will not survive a "reboot" from within the >> guest. Only drives with if=ide survives a rebooting of t

Re: [ANNOUNCE] kvm-72 release

2008-07-28 Thread Henrik Holst
2008/7/28 Henrik Holst <[EMAIL PROTECTED]>: > 2008/7/28 Anthony Liguori <[EMAIL PROTECTED]>: >> Henrik Holst wrote: >>> >>> There is a boot regression in kvm-72: >>> >>> scsi and virtio images will not survive a "reboot" from wi

Re: Device Paravirtualization

2008-07-28 Thread Henrik Holst
dows guests so far ? yes and there does exist a windows driver (I do think that it only contains a driver for the PV network card though). It can be downloaded from the sourceforge page: http://sourceforge.net/project/showfiles.php?group_id=180599&package_id=267943 /Henrik Holst -- To unsu

Re: How to run KVM on non-X environment (RESEND)

2008-07-28 Thread Henrik Holst
>Performed following test but failed. > ># kvm -hda ubuntu6.06.img -cdrom /dev/scd0 -m 512 -boot d -vnc IP:0 >Could not parse VNC address > ># kvm -hda ubuntu6.06.img -cdrom /dev/scd0 -m 512 -boot d -vnc IP:1 >Could not parse VNC address You should run it as: # kvm -hda ubun

Re: How to run KVM on non-X environment (RESEND)

2008-07-28 Thread Henrik Holst
p that you are writing on right now!). If you install it on the same machine that you run qemu/kvm on then simply put 127.0.0.1 as the remote server. /Henrik Holst -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: [ANNOUNCE] kvm-72 release

2008-07-28 Thread Henrik Holst
his will boot just fine: qemu -m 256 -drive file=test.img,if=ide,media=disk -boot c So I will have to dig into previous revisions of qemu to see where it went wrong. /Henrik Holst -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: [ANNOUNCE] kvm-72 release

2008-07-29 Thread Henrik Holst
2008/7/28 Henrik Holst <[EMAIL PROTECTED]>: >> Since this probably is due to something in qemu it would be great if >> the release-log to kvm could include towards which revision of the >> qemu svn repository that was merged. Or am I to understand that the >> merge wa

Re: [ANNOUNCE] kvm-73 release

2008-08-20 Thread Henrik Holst
1 makes it work so there is still something very strange going on. I have tried to locate what it might be but cannot find why ide devices survives the reboot while scsi and virtio does not... On the plus side it seams like kvm-73 fixed one issue for us where a ubuntu-8.04-i386 server guest run

Re: mandrake-10 not able to boot on kvm-71-73

2008-08-26 Thread Henrik Holst
n one guest so the second one cannot bind to port 5900. /Henrik Holst -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: Bug in reboot when using scsi or virtio

2008-08-30 Thread Henrik Holst
oot from Hard Disk failed: could not read boot disk >> ... More failed boot devices that shouldn't boot anyway... >> FATAL: No bootable device >> >> > > This was caused by the extboot rom writing into itself, thus failing > checksum on the next reboot. I fixed

Re: Better keymap support

2008-09-02 Thread Henrik Holst
2008-06-17 14:09:07.0 +0200 @@ -15,3 +15,6 @@ # Translate Menu to the Windows Application key. Menu 0xdd + +# AltGR +ISO_Level3_Shift 0xb8 regards, Henrik Holst Witsbits AB -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: [ANNOUNCE] kvm-74 release

2008-09-02 Thread Henrik Holst
t is worth, I can now confirm the fix. You have no idea the happiness that this is giving me :) Now if only scsi would work for guest with more than 4GB ram or on BSD ;) Regards, Henrik Holst Witsbits AB -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a

Re: massive performance drop after a while when using virtio nics

2008-09-09 Thread Henrik Holst
got applied in 2.6.26.3 and 2.6.25.16. > > > > > > > So it was some signaling-bug on the .. client side? > > No, it was a kernel race condition causing the qemu-kvm process to stop > receiving SIGALRM signals. So is it the host kernel that should be patched? /Henrik Holst Witsbits AB -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: machine with linux and vista

2008-09-09 Thread Henrik Holst
ind anything in the FAQ. That should be possible with KVM as long as you have a cpu that supports the extensions that KVM needs: http://kvm.qumranet.com/kvmwiki/Documents/processor_support If not you will have to use pure qemu which is quite a bit slower: http://bellard.org/qemu/ or try with VMWa

Re: [ANNOUNCE] kvm-77 release

2008-10-13 Thread Henrik Holst
mån 2008-10-13 klockan 11:44 +0200 skrev Henrik Holst: > mån 2008-10-13 klockan 11:33 +0200 skrev Henrik Holst: > > "segmentation fault" lines, probably from modprobe > > > > Ubuntu-8.04 boots just fine under kvm-77 so it feels like a mismatch > > with the gu

Re: [ANNOUNCE] kvm-77 release

2008-10-13 Thread Henrik Holst
e errors what so ever. If giving the guest more than 2GiB of memory there is a stream of "segmentation fault" lines, probably from modprobe Ubuntu-8.04 boots just fine under kvm-77 so it feels like a mismatch with the guest 2.6.27 kernel. Tested both 2.27-4 and 2.27-7 to no avail. The ho

Re: [ANNOUNCE] kvm-77 release

2008-10-13 Thread Henrik Holst
mån 2008-10-13 klockan 11:33 +0200 skrev Henrik Holst: > "segmentation fault" lines, probably from modprobe > > Ubuntu-8.04 boots just fine under kvm-77 so it feels like a mismatch > with the guest 2.6.27 kernel. Tested both 2.27-4 and 2.27-7 to no avail. Encountered the

kvm-kmod-2.6.33 (or 2.6.32) messes up pages on guest exit

2010-03-07 Thread Henrik Holst
0x110/0x215 Mar 7 19:30:47 prince kernel: [12310060.704319] [] sys_execve+0x35/0x4c Mar 7 19:30:47 prince kernel: [12310060.704319] [] stub_execve+0x6a/0xc0 Regards, Henrik Holst Witsbits AB -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a me

Re: kvm-kmod-2.6.33 (or 2.6.32) messes up pages on guest exit

2010-03-08 Thread Henrik Holst
2010/3/8 Jan Kiszka : > Henrik Holst wrote: >> Hi, >> >>  I'm running a few Debian Lenny host machines with kernel 2.6.26, in >> production we use kvm-kmod-2.6.31.5 without any problems. Today I >> tested to change to kvm-kmod-2.6.33 and everything went just

qcow2 slowdown in kvm-78,79

2008-11-18 Thread Henrik Holst
without success. cache=writeback and cache=off was a little bit better than the default cache=writethrough but not with any useful improvement. /Henrik Holst https://Witsbits.com - Utility Computing -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message

Re: qcow2 slowdown in kvm-78,79

2008-11-19 Thread Henrik Holst
ons 2008-11-19 klockan 12:26 -0600 skrev Anthony Liguori: > Ryan Harper wrote: > > * Henrik Holst <[EMAIL PROTECTED]> [2008-11-18 08:42]: > > > >> The bundled qemu in kvm-78 and kvm-79 slows down disk i/o with qcow2 > >> images by an order of 10. If

Re: qcow2 slowdown in kvm-78,79

2008-11-20 Thread Henrik Holst
s OK again. I must have misspelled somehow and qemu didn't quit on me or there was something else going on at the time of my tests. Thanks! /Henrik Holst https://witsbits.com -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL P

Re: Poor write- and overall performance

2008-12-15 Thread Henrik Holst
mån 2008-12-15 klockan 12:26 +0200 skrev Avi Kivity: > Henrik Holst wrote: > > Now I haven't tried kvm-81 but scsi with 4GB of RAM or more is severely > > broken in QEMU for all other tested KVM versions (80 and downwards). > > > > kvm-81 contains this: > &

Re: Poor write- and overall performance

2008-12-15 Thread Henrik Holst
e potential for severe data loss > with the latter option). > Now I haven't tried kvm-81 but scsi with 4GB of RAM or more is severely broken in QEMU for all other tested KVM versions (80 and downwards). /Henrik Holst -- To unsubscribe from this list: send the line "unsubscribe kv