[ kvm-Bugs-2768533 ] SCSI/VirtIO: VM unable to reboot from non-IDE controller

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Bugs item #2768533, was opened at 2009-04-16 16:01
Message generated for change (Comment added) made by technologov
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2768533&group_id=180599

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Category: None
Group: None
Status: Open
Resolution: None
Priority: 7
Private: No
Submitted By: Technologov (technologov)
Assigned to: Nobody/Anonymous (nobody)
Summary: SCSI/VirtIO: VM unable to reboot from non-IDE controller

Initial Comment:
All Red Hat-based systems (RHEL, Fedora) have failed during automated tests on SCSI disks on 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)
Guest: RHEL 5, Fedora 8, Fedora 9 (tried both 32 and 64-bit).

-Alexey, 16.4.2009.

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>Comment By: Technologov (technologov)
Date: 2009-04-16 17:12

Message:
This problem also exists for VirtIO block device.

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2768533&group_id=180599
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