[ kvm-Bugs-2843250 ] live migration fails with emulated scsi drive

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Bugs item #2843250, was opened at 2009-08-23 21:24
Message generated for change (Comment added) made by kijiki
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Trent Johnson (tljohnsn)
Assigned to: Nobody/Anonymous (nobody)
Summary: live migration fails with emulated scsi drive

Initial Comment:
CPU model: Intel(R) Xeon(R) CPU           L5335
KVM version 88
host kernel: centos 2.6.18-128.4.1.el5
guest: Tried both centos 4.8 - 32bit latest kernel and centos 5.3 64 bit, same kernel as above
qemu command line:
/usr/bin/qemu-kvm  -M pc -m 1024 -smp 2 -name c5test-lvm -uuid a298100a-67af-8f80-d32c-de271b4cefb1 -monitor pty -boot c -drive file=,if=ide,media=cdrom,index=2 -drive file=/dev/drbd1,if=scsi,index=0,boot=on -net nic,macaddr=54:52:00:30:7f:ae,vlan=0,name=nic.0 -net tap,vlan=0,name=tap.0 -serial pty -parallel none -usb -curses -vga cirrus

Also tried -no-kvm and still get the errors
sd 0:0:0:0: ABORT operation timed-out.
sd 0:0:0:0: DEVICE RESET operation started.
sd 0:0:0:0: DEVICE RESET operation timed-out.
sd 0:0:0:0: BUS RESET operation started.
sym0: suspicious SCSI data while resetting the BUS.
sym0: dp1,d15-8,dp0,d7-0,rst,req,ack,bsy,sel,atn,msg,c/d,i/o = 0x0, expecting 0x100
sd 0:0:0:0: BUS RESET operation timed-out.
sd 0:0:0:0: HOST RESET operation started.
sym0: suspicious SCSI data while resetting the BUS.
sym0: dp1,d15-8,dp0,d7-0,rst,req,ack,bsy,sel,atn,msg,c/d,i/o = 0x0, expecting 0x100
sym0: the chip cannot lock the frequency
sym0: SCSI BUS has been reset.
sd 0:0:0:0: HOST RESET operation timed-out.
sd 0:0:0:0: scsi: Device offlined - not ready after error recovery


Live migration will give errors and stop io to the disk when using an emulated scsi drive on the guest.  It does not fail when using an ide drive.  I get the following errors:



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Comment By: Nolan Leake (kijiki)
Date: 2009-08-24 02:29

Message:
This is fixed in qemu-kvm (and qemu upstream, for that matter).

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2843250&group_id=180599