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Bug 920950

Summary: qemu: fatal: Trying to execute code outside RAM or ROM at 0x00000000000a8000
Product: Red Hat Enterprise Linux 7 Reporter: Chao Yang <chayang>
Component: qemu-kvmAssignee: Virtualization Maintenance <virt-maint>
Status: CLOSED CURRENTRELEASE QA Contact: Virtualization Bugs <virt-bugs>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.0CC: acathrow, alex.williamson, chayang, hhuang, juzhang, michen, qiguo, shuang, virt-maint
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-08-09 11:24:33 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
lspci dump of this assigned PF none

Description Chao Yang 2013-03-13 07:15:02 UTC 
Description of problem:
hitting once "qemu: fatal: Trying to execute code outside RAM or ROM at 0x00000000000a8000"


CLI:
# qemu-system-x86_64 -M q35 -monitor stdio -drive file=rhel7.0.qcow2,if=none,id=drive-ide0-0-0,format=qcow2,cache=none -device virtio-blk-pci,drive=drive-ide0-0-0,bootindex=1 -vnc :1 -m 2048 -smp 2 -netdev tap,id=hostnet0,vhost=on -device virtio-net-pci,netdev=hostnet0,id=net0,mac=78:2b:cb:6e:41:22 -balloon none -boot menu=on -device vfio-pci,host=22:00.0,id=pf,rombar=0 -serial unix:/tmp/test,server,nowait
QEMU 1.4.0 monitor - type 'help' for more information
(qemu) 
(qemu) sy
system_powerdown  system_reset      system_wakeup     
(qemu) system_reset 
(qemu) qemu: fatal: Trying to execute code outside RAM or ROM at 0x00000000000a8000

EAX=00000002 EBX=000000b2 ECX=000000b2 EDX=000000b2
ESI=00000002 EDI=000000b2 EBP=818e5e78 ESP=818e5e78
EIP=00008000 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=1 HLT=0
ES =0000 00000000 ffffffff 00000000
CS =a000 000a0000 ffffffff 00000000
SS =0000 00000000 ffffffff 00000000
DS =0000 00000000 ffffffff 00000000
FS =0000 00000000 ffffffff 00000000
GS =0000 00000000 ffffffff 00000000
LDT=0000 00000000 00000000 00008200
TR =0040 7fc11d80 00002087 00008900
GDT=     7fc04000 0000007f
IDT=     81b3b000 00000fff
CR0=00050032 CR2=00000000 CR3=018f0000 CR4=00000000
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=0000000000000000 DR7=0000000000000400
CCS=00000000 CCD=00005400 CCO=EFLAGS  
EFER=0000000000000000
FCW=037f FSW=2000 [ST=4] FTW=f0 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=a9d4000000000000 400d FPR5=a9dc000000000000 400d
FPR6=a8e8000000000000 400d FPR7=a96a000000000000 400d
XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000
XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000
XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
Aborted (core dumped)

Version-Release number of selected component (if applicable):
# qemu-system-x86_64 -version
QEMU emulator version 1.4.0, Copyright (c) 2003-2008 Fabrice Bellard
# uname -r
3.8.0-0.40.el7.x86_64

How reproducible:
only once so far

Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:


Additional info:
Comment 1 Chao Yang 2013-03-13 07:16:41 UTC 
Created attachment 709362 [details]
lspci dump of this assigned PF
Comment 2 Chao Yang 2013-03-13 07:19:00 UTC 
I am trying to narrow this issue by using -vga as Alex's suggestion.
Comment 4 Hai Huang 2013-08-06 12:48:50 UTC 
Would it be possible to re-test this failure using a more recent qemu package?
Comment 5 Qian Guo 2013-08-08 03:34:18 UTC 
(In reply to Hai Huang from comment #4)
> Would it be possible to re-test this failure using a more recent qemu
> package?

Hi, Hai

I tried the latest qemu and rhel7 kernel :
# rpm -q qemu-kvm
qemu-kvm-1.5.2-2.el7.x86_64

# uname -r
3.10.0-6.el7.x86_64

cli:

# /usr/libexec/qemu-kvm -M q35 -monitor stdio -drive file=/home/RHEL-Server-7.0-64.qcow2,if=none,id=drive-ide0-0-0,format=qcow2,cache=none -device virtio-blk-pci,drive=drive-ide0-0-0,bootindex=1 -vnc :1 -m 2048 -smp 2 -netdev tap,id=hostnet0,vhost=on -device virtio-net-pci,netdev=hostnet0,id=net0,mac=78:2b:cb:6e:41:22 -balloon none -boot menu=on -device vfio-pci,host=03:00.0,id=pf,rombar=0 -serial unix:/tmp/test,server,nowait

I reboot guest for 10 times under qemu
(qemu) system_reset

Results: No errors and core dump happened, so the issue is fixed by qemu-kvm-1.5.2-2.el7.x86_64 .