subject:"\[Bug 107561\] 4.2 breaks PCI passthrough in QEMU\/KVM"

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-12-14 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 Paolo Bonzini changed: What|Removed |Added Attachment #197081|0 |1 is obsolete|

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-12-11 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 --- Comment #14 from Jasen Borisov --- Can confirm. I am also hit by this bug, and my virtual machine doesn't start either. I tried applying the patch to both 4.3.0 and linux-next, and neither of those worked. -- You are receiving this mail be

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-12-11 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 --- Comment #13 from schefis...@gmail.com --- Sorry for the delay. I couldn't check sooner. Unfortunately the guest doesn't start with the patch applied. Nothing displayed (no sync signal from passthrough card). Host dmesg doesn't show any errors.

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-12-10 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 --- Comment #12 from Paolo Bonzini --- Created attachment 197081 --> https://bugzilla.kernel.org/attachment.cgi?id=197081&action=edit patch to be tested The bug happens when the VM is created with a maxphyaddr that doesn't match the host. Thi

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-12-10 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 --- Comment #11 from Paolo Bonzini --- Created attachment 197071 --> https://bugzilla.kernel.org/attachment.cgi?id=197071&action=edit OVMF log > 1) providing host dmesg Of course this makes no sense, you already did. And from the traces I su

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-12-10 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 --- Comment #10 from Paolo Bonzini --- Another test on the 3GB machine: make it fast by nuking kvm_mtrr_get_guest_memory_type (return MTRR_TYPE_WRBACK), then cat /proc/mtrr from the guest. -- You are receiving this mail because: You are watchin

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-12-10 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 --- Comment #9 from Paolo Bonzini --- Can you try the following on HostA: 1) providing *host* dmesg 2) disabling each MTRR starting from the first, until things are fast again. Then reboot and try disabling only the MTRR that made things fast

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-11-23 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 --- Comment #8 from schefis...@gmail.com --- I captured the traces, they take more than half a GB uncompressed. They are available in xz under https://drive.google.com/folderview?id=0B8ebX_WjVHnGNlN4eTEzU2xtMEk&usp=sharing To make things clear: I

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-11-22 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 Paolo Bonzini changed: What|Removed |Added CC||tajj...@gmail.com --- Comment #7 from Pa

[Bug 107561] 4.2 breaks PCI passthrough in QEMU/KVM

2015-11-22 Thread bugzilla-daemon

https://bugzilla.kernel.org/show_bug.cgi?id=107561 --- Comment #6 from Paolo Bonzini --- Ah, the traces are huge. You can xz them and send them through private email. -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the lin