Hi,

ich habe some hosts running rather old Qemu Versions which sometimes show the 
following behaviour:


1) Live Migration

2) One Network Interface (virtio-net) stops forwarding traffic.

3) If I reboot the server I hit the following assertion

qemu-2.9.0: hw/pci/pci.c:311: pcibus_reset: Assertion `bus->irq_count[i] == 0' 
failed.


Does anybody remember this kind of error? Is this something that has already 
been fixed?


The patch:

commit 3936161f1fd72d1dfa577aaba910819c5e873260
Author: Herongguang (Stephen) <herongguang...@huawei.com>
Date:   Tue Apr 25 10:29:54 2017 +0800

    pci: deassert intx when pci device unrealize

    If a pci device is not reset by VM (by writing into config space)
    and unplugged by VM, after that when VM reboots, qemu may assert:
    pcibus_reset: Assertion `bus->irq_count[i] == 0' failed


Is applied to our 2.9.0 tree.


Thanks,

Peter




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