[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1359394
Title:
virtio block device hangs after "virtio_blk virtio3: requests:id 0 is
not a head!"
Status in QEMU:
Expired
Bug description:
The virtual machine is running block layer workloads, interrupted by
unclean reboots (echo b > /proc/sysrq-trigger). Kernel version is
3.14.
Sometimes, I get this message on boot:
"virtio_blk virtio3: requests:id 0 is not a head!"
Then, I/O to the virtio block devices just hangs.
Unfortunately I don't have a test case and this is kind of hard to
reproduce, but it seems related to having I/O in flight when the
kernel is forced to reboot.
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