Re: ATA Trim for qcow(2)

2011-01-23 Thread Matthew Palmer
On Sun, Jan 23, 2011 at 10:35:45PM +0100, Emil Langrock wrote: there is support for ext4 to use the trim ATA command when a block is freed. I read that there should be an extra command which does that freeing afterwards. So is it possible to use that information inside the qcow to mark

Re: kvm problem: bonding network interface breaks dhcp

2009-11-03 Thread Matthew Palmer
On Tue, Nov 03, 2009 at 04:45:48PM +0100, Harald Dunkel wrote: I am trying to use a bonding network interface as a bridge for a virtual machine (kvm). Host and guest are both running 2.6.31.5. Problem: The guest does not receive the DHCPOFFER reply sent by my dhcp server. There is no such

Re: KVM on Debian

2009-06-04 Thread Matthew Palmer
On Thu, Jun 04, 2009 at 01:37:54PM -0700, Aaron Clausen wrote: I'm running a production Debian Lenny server using KVM to run a couple of Windows and a couple of Linux guests. All is working well, but I want to give my Server 2003 guest access to a SCSI tape drive. Unfortunately, Debian is

Re: bridges

2009-05-07 Thread Matthew Palmer
On Thu, May 07, 2009 at 08:57:03AM -0700, Ross Boylan wrote: I'm trying to understand bridging with KVM, but am still puzzled. I think that the recommended bridging with TAP means that packets from the VM will end up going out the host card attached to the default gateway. But it looks to me

DMA errors in guest caused by corrupted(?) disk image

2009-03-30 Thread Matthew Palmer
Hi, I've just come across a somewhat strange problem that was suggested I report to the list. The problem manifested itself as DMA errors and the like popping up in the guest, like I'd expect to see if a disk in a physical machine was dying, like this: hda: dma_timer_expiry: dma status ==