Bugs item #1895893, was opened at 2008-02-18 10:44
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Technologov (technologov)
Assigned to: Nobody/Anonymous (nobody)
Summary: KVM-60+ halts, when using SCSI
Initial Comment:
Host: Intel CPU, F7/x64, KVM-60+ from git (userspace: kvm-60-155-g4422f97,
kernelspace: kvm-60-10207-g9ef1f35)
When installing Windows XP guest on emulated SCSI disk, KVM lock ups.
The Command sent to Qemu/KVM:
/usr/local/bin/qemu-system-x86_64 -drive
file=/vm/WindowsXP.qcow2,if=scsi,boot=on -m 128 -monitor
tcp:localhost:4503,server,nowait -cdrom
/isos/windows/WindowsXP-SP2-Home-Pro-Tablet.iso -boot d -name WindowsXP
Reproducible: Sometimes.
Symptons:
-The image during XP setup looks halted/locked, and no progress over 12 hours.
-kvm_stat shows zero KVM activity.
-Host CPU is 100% busy.
-Qemu doesn't responds to any commands (such as alt+f2).
GNU Debugger shows:
(gdb) bt
#0 lsi_execute_script (s=0x2bed030) at ../cpu-all.h:848
#1 0x000000000048a2e9 in qcow_aio_write_cb (opaque=0x2c8a050, ret=0)
at block-qcow2.c:947
#2 0x000000000041898f in qemu_aio_poll ()
at /root/git/kvm/qemu/block-raw-posix.c:318
#3 0x000000000040de3c in main_loop_wait (timeout=0)
at /root/git/kvm/qemu/vl.c:7822
#4 0x00000000004fd81d in kvm_eat_signals (env=0x2b52400, timeout=0)
at /root/git/kvm/qemu/qemu-kvm.c:204
#5 0x00000000004fd859 in kvm_main_loop_wait (env=0x2b52400, timeout=0)
at /root/git/kvm/qemu/qemu-kvm.c:211
#6 0x00000000004fe0a6 in kvm_main_loop_cpu (env=0x2b52400)
at /root/git/kvm/qemu/qemu-kvm.c:309
#7 0x0000000000410e3d in main (argc=<value optimized out>,
argv=0x7fff06235728) at /root/git/kvm/qemu/vl.c:7856
====================================================
Dmesg shows:
apic write: bad size=1 fee00030
Ignoring de-assert INIT to vcpu 0
Ignoring de-assert INIT to vcpu 0
apic write: bad size=1 fee00030
Ignoring de-assert INIT to vcpu 0
Ignoring de-assert INIT to vcpu 0
...looping forever.
-Alexey "Technologov", 18.02.2008.
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