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Hello, I''m facing a rather strange problem with the netback interface. My setup involves a netvm, which has some physical network interfaces assigned, and a client VM where a net front is running (exposed as eth0) and which is connected to that netvm (via vif42.0 interface, as seen in the netvm on the dumps below). Now, the netvm has two physical network interfaces assigned: 1) A standard Int...

...). At this stage, the user is presented with three options. The first two options create some VMs, while the third option creates no VMs (and leaves the user to do it manually later). If either of the first two options is selected, the system completely freezes when installation tries to create the netvm. A hard reboot is necessary. If the third option is chosen (i.e., create no VMs during installation), then the installation completes successfully, and the user can log in. But the system again freezes as soon as a netvm is manually created (with ''qvm-create --net --label red netvm'...

...locksource=tsc Some combination of above options lowered frequency of problem (ex tsc=unstable + nohz=off), but it happens quite often - like 1 of 15 boots fails. Have you idea what is the cause and what can help? Attached all relevant logs and configs: xl-dmesg: xl dmesg after failed domU start netvm-console-begin: kernel messages from failed domU netvm-console-sysrq-t-1: first domU SysRq-T netvm-console-sysrq-t-2: second domU SysRq-T netvm.conf: domU config xenstore-ls: result of xenstore-ls -fp dom0-dmesg: dom0 kernel messages config-xenlinux: 2.6.28.3 kernel config (same for dom0 and domU) c...

Hi, I''ve still have problems with ACPI(?) on Xen. After some system startup or resume CPU temperature goes high although all domUs (and dom0) are idle. On "good" system startup it is about 50-55C, on "bad" - above 67C (most time above 70C). I''ve noticed difference in C-states repored by Xen (attached files). On "bad" startups in addition suspend