[Bug 363743] [NEW] SCSI/VirtIO: VM unable to reboot from non-IDE controller

[alexey__]

Public bug reported:

Binary package hint: qemu

Most Linux VMs (Ubuntu and Red Hat-based systems -- RHEL, Fedora) have failed during automated tests
on SCSI disks on Qemu/KVM.
It turned out to be a problem of Qemu/KVM, where after a software reboot
(i.e. initiated by guest OS), the system is unable to boot from SCSI
controller.

To reboot successfully you need either soft reboot+IDE or Hard reboot (Qemu
cold boot)+SCSI.

The Command sent to Qemu/KVM:
/usr/local/bin/qemu-system-x86_64 -m 512 -monitor
tcp:localhost:4602,server,nowait -cdrom /isos/linux/Fedora-8-i386-DVD.iso
-drive file=/vm/fedora8-32.qcow2,if=scsi,boot=on -name fedora8-32

Host: RHEL 5/x64, KVM-85rc6. (tried both Intel and AMD)
Guests: Ubuntu-8.10, RHEL 5, Fedora 8, Fedora 9 (tried both 32 and 64-bit).

Due to non-existent Qemu bugzilla, I decided to open here, on Ubuntu Launchpad, and in KVM bugzilla.
Similar bug exists in KVM bugzilla:
https://sourceforge.net/tracker/?func=detail&aid=2768533&group_id=180599&atid=893831

-Alexey, 19.4.2009.

** Affects: qemu (Ubuntu)
     Importance: Undecided
         Status: New

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SCSI/VirtIO: VM unable to reboot from non-IDE controller
https://bugs.launchpad.net/bugs/363743
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