Comment 4 for bug 1592541

Having posted, I see that this is actually a utopic kernel that oopsed
(3.16.0-71-generic)

However, the oops stack is still possible on trusty, the blk-merge code in
3.13 doesn't include the fix
that appears in the vivid kernel.

On Tue, Jun 14, 2016 at 2:56 PM, Ryan Harper <email address hidden>
wrote:

> Here's the qemu launch command used, in case that's useful.
>
>
> qemu-system-x86_64 -enable-kvm -device
> virtio-scsi-pci,id=virtio-scsi-xkvm -device virtio-net-pci,netdev=net00
> -netdev type=user,id=net00 -m 1024 -serial
> file:/var/lib/jenkins/slaves/venonat/workspace/curtin-vmtest-venonat-devel/output/TrustyHWEUTestRaid5Bcache/logs/install-serial.log
> -nographic -drive
> file=/tmp/launch.Cnc0wx/boot.img,if=none,cache=unsafe,format=qcow2,id=boot,index=0
> -device virtio-blk,drive=boot -drive
> file=/var/lib/jenkins/slaves/venonat/workspace/curtin-vmtest-venonat-devel/output/TrustyHWEUTestRaid5Bcache/disks/install_disk.img,if=none,cache=unsafe,format=raw,id=drv2,index=2
> -device
> virtio-blk,drive=drv2,serial=dev2,logical_block_size=512,physical_block_size=512,min_io_size=512
> -drive
> file=/var/lib/jenkins/slaves/venonat/workspace/curtin-vmtest-venonat-devel/output/TrustyHWEUTestRaid5Bcache/disks/extra_disk_0.img,if=none,cache=unsafe,format=raw,id=drv3,index=3
> -device
> virtio-blk,drive=drv3,serial=dev3,logical_block_size=512,physical_block_size=512,min_io_size=512
> -drive
> file=/var/lib/jenkins/slaves/venonat/workspace/curtin-vmtest-venonat-devel/output/TrustyHWEUTestRaid5Bcache/disks/extra_disk_1.img,if=none,cache=unsafe,format=raw,id=drv4,index=4
> -device
> virtio-blk,drive=drv4,serial=dev4,logical_block_size=512,physical_block_size=512,min_io_size=512
> -drive
> file=/var/lib/jenkins/slaves/venonat/workspace/curtin-vmtest-venonat-devel/output/TrustyHWEUTestRaid5Bcache/disks/extra_disk_2.img,if=none,cache=unsafe,format=raw,id=drv5,index=5
> -device
> virtio-blk,drive=drv5,serial=dev5,logical_block_size=512,physical_block_size=512,min_io_size=512
> -drive
> file=/var/lib/jenkins/slaves/venonat/workspace/curtin-vmtest-venonat-devel/output/TrustyHWEUTestRaid5Bcache/disks/extra_disk_3.img,if=none,cache=unsafe,format=raw,id=drv6,index=6
> -device
> virtio-blk,drive=drv6,serial=dev6,logical_block_size=512,physical_block_size=512,min_io_size=512
> -kernel /srv/images/trusty/amd64/20160606/utopic/generic/boot-kernel
> -initrd /srv/images/trusty/amd64/20160606/utopic/generic/boot-initrd
> -append "root=/dev/vda ds=nocloud-net;seedfrom=http://10.100.0.103:40646/
> console=ttyS0 "
> kvm pid=6128. my pid=6123
> QEMU 2.0.0 monitor - type 'help' for more information
> (qemu)
>
> --
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> report.
> https://bugs.launchpad.net/bugs/1592541
>
> Title:
> trusty kernel with virtio-blk oops
>
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