Re: kvm-88: KVM_APIC_READ: read reserved register b0

2009-08-30 Thread Daniel Bareiro
On Sunday, 30 August 2009 14:49:59 +0300, Gleb Natapov wrote: > > > This printk no longer exists in upstream kvm. Between emails of the list, I found the suggestion to apply this [1] patch, but I suppose that not yet it must be applied in the download version. > > just to be curious: What was th

Re: kvm-88: KVM_APIC_READ: read reserved register b0

2009-08-30 Thread Gleb Natapov
On Sun, Aug 30, 2009 at 01:42:14PM +0200, Christoph Lechner wrote: > Gleb Natapov wrote: > > This printk no longer exists in upstream kvm. > > > > just to be curious: What was the reason to add that debugging message? > Because well behaved OS shouldn't read write only register. Unfortunately ol

Re: kvm-88: KVM_APIC_READ: read reserved register b0

2009-08-30 Thread Christoph Lechner
Gleb Natapov wrote: > This printk no longer exists in upstream kvm. > just to be curious: What was the reason to add that debugging message? I don't know much about the background of the message, but I assume that it is useful. So wouldn't it be a idea to keep the code for the message where it i

Re: kvm-88: KVM_APIC_READ: read reserved register b0

2009-08-30 Thread Gleb Natapov
On Sun, Aug 30, 2009 at 11:59:27AM +0200, Christoph Lechner wrote: > Daniel Bareiro wrote: > > On Friday, 28 August 2009 12:04:02 +0200, > > Christoph Lechner wrote: > > > >> Hi all, > > > > Hi Christoph. > Hi. > > > >> running kvm-88 on a 2.6.26-1-amd64 kernel (stock Debian 5.0 kernel), I > >>

Re: kvm-88: KVM_APIC_READ: read reserved register b0

2009-08-30 Thread Christoph Lechner
Daniel Bareiro wrote: > On Friday, 28 August 2009 12:04:02 +0200, > Christoph Lechner wrote: > >> Hi all, > > Hi Christoph. Hi. > >> running kvm-88 on a 2.6.26-1-amd64 kernel (stock Debian 5.0 kernel), I >> get the syslog on the host system flooded with the message: >> >> Aug 28 11:49:40 reacto

Re: kvm-88: KVM_APIC_READ: read reserved register b0

2009-08-29 Thread Daniel Bareiro
On Friday, 28 August 2009 12:04:02 +0200, Christoph Lechner wrote: > Hi all, Hi Christoph. > running kvm-88 on a 2.6.26-1-amd64 kernel (stock Debian 5.0 kernel), I > get the syslog on the host system flooded with the message: > > Aug 28 11:49:40 reactor kernel: [124035.611782] KVM_APIC_READ: r

Re: kvm-88: KVM_APIC_READ: read reserved register b0

2009-08-29 Thread Christoph Lechner
Hi, just a quick status update. After switching to virtio networking, the problem disappeared. So far I transferred about 200GB from and to the virtual machine and no problem occurred. After the original posting, I discovered that the rtl8139 emulation suffers from loss of connection, too. 100% p

kvm-88: KVM_APIC_READ: read reserved register b0

2009-08-28 Thread Christoph Lechner
Hi all, running kvm-88 on a 2.6.26-1-amd64 kernel (stock Debian 5.0 kernel), I get the syslog on the host system flooded with the message: Aug 28 11:49:40 reactor kernel: [124035.611782] KVM_APIC_READ: read reserved register b0 The guest is running Debian 5.0 as well. Kernel 2.6.26-2-486. qemu i