* [Qemu-devel] [Bug 1293975] [NEW] Guest is destroyed after live migration
@ 2014-03-18 8:00 Robert Hu
2014-03-18 14:21 ` [Qemu-devel] [Bug 1293975] " Dr. David Alan Gilbert
` (3 more replies)
0 siblings, 4 replies; 6+ messages in thread
From: Robert Hu @ 2014-03-18 8:00 UTC (permalink / raw)
To: qemu-devel
Public bug reported:
Environment:
------------
Host OS (ia32/ia32e/IA64):ia32e
Guest OS (ia32/ia32e/IA64):ia32e
Guest OS Type (Linux/Windows):Linux
kvm.git Commit:8fbb1daf3e8254afc17fc4490b69db00920197ae
qemu.git Commit: 6fffa26244737f8fd8641a21fee29bd6aa9fdff5
Host Kernel Version:3.14.0-rc3
Hardware:Romley_EP, Ivytown_EP
Bug detailed description:
--------------------------
after live migration, the guest will be destroyed
note:
after save restore, the guest will be destroyed.
Reproduce steps:
----------------
1.Start a TCP daemon for migration
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow -incoming tcp:localhost:4444
2. create guest
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow
3. ctrl+alt+2 to switch to qemu monitor
4. migrate tcp:localhost:4444
Current result:
----------------
the guest will be destroyed
Expected result:
----------------
the guest works fine
Basic root-causing log:
----------------------
qemu-system-x86[15027]: segfault at 698 ip 00007f94be628166 sp 00007f94bb820c58 error 6 in libc-2.12.so[7f94be5a5000+189000]
Bisect result
the first bad commit:
commit 00c8cb0a36f51a6866a83c08962d12a0eb21864b
Author: Andreas Färber <afaerber@suse.de>
Date: Wed Sep 4 02:19:44 2013 +0200
cputlb: Change tlb_flush() argument to CPUState
Signed-off-by: Andreas Färber <afaerber@suse.de>
** Affects: qemu
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1293975
Title:
Guest is destroyed after live migration
Status in QEMU:
New
Bug description:
Environment:
------------
Host OS (ia32/ia32e/IA64):ia32e
Guest OS (ia32/ia32e/IA64):ia32e
Guest OS Type (Linux/Windows):Linux
kvm.git Commit:8fbb1daf3e8254afc17fc4490b69db00920197ae
qemu.git Commit: 6fffa26244737f8fd8641a21fee29bd6aa9fdff5
Host Kernel Version:3.14.0-rc3
Hardware:Romley_EP, Ivytown_EP
Bug detailed description:
--------------------------
after live migration, the guest will be destroyed
note:
after save restore, the guest will be destroyed.
Reproduce steps:
----------------
1.Start a TCP daemon for migration
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow -incoming tcp:localhost:4444
2. create guest
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow
3. ctrl+alt+2 to switch to qemu monitor
4. migrate tcp:localhost:4444
Current result:
----------------
the guest will be destroyed
Expected result:
----------------
the guest works fine
Basic root-causing log:
----------------------
qemu-system-x86[15027]: segfault at 698 ip 00007f94be628166 sp 00007f94bb820c58 error 6 in libc-2.12.so[7f94be5a5000+189000]
Bisect result
the first bad commit:
commit 00c8cb0a36f51a6866a83c08962d12a0eb21864b
Author: Andreas Färber <afaerber@suse.de>
Date: Wed Sep 4 02:19:44 2013 +0200
cputlb: Change tlb_flush() argument to CPUState
Signed-off-by: Andreas Färber <afaerber@suse.de>
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1293975/+subscriptions
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Qemu-devel] [Bug 1293975] Re: Guest is destroyed after live migration
2014-03-18 8:00 [Qemu-devel] [Bug 1293975] [NEW] Guest is destroyed after live migration Robert Hu
@ 2014-03-18 14:21 ` Dr. David Alan Gilbert
2014-03-18 15:13 ` [Qemu-devel] [Bug 1293975] [NEW] " 陈梁
` (2 subsequent siblings)
3 siblings, 0 replies; 6+ messages in thread
From: Dr. David Alan Gilbert @ 2014-03-18 14:21 UTC (permalink / raw)
To: qemu-devel
Can you capture a backtrace for the failure? Is the seg happening in the
source or destination qemu?
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1293975
Title:
Guest is destroyed after live migration
Status in QEMU:
New
Bug description:
Environment:
------------
Host OS (ia32/ia32e/IA64):ia32e
Guest OS (ia32/ia32e/IA64):ia32e
Guest OS Type (Linux/Windows):Linux
kvm.git Commit:8fbb1daf3e8254afc17fc4490b69db00920197ae
qemu.git Commit: 6fffa26244737f8fd8641a21fee29bd6aa9fdff5
Host Kernel Version:3.14.0-rc3
Hardware:Romley_EP, Ivytown_EP
Bug detailed description:
--------------------------
after live migration, the guest will be destroyed
note:
after save restore, the guest will be destroyed.
Reproduce steps:
----------------
1.Start a TCP daemon for migration
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow -incoming tcp:localhost:4444
2. create guest
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow
3. ctrl+alt+2 to switch to qemu monitor
4. migrate tcp:localhost:4444
Current result:
----------------
the guest will be destroyed
Expected result:
----------------
the guest works fine
Basic root-causing log:
----------------------
qemu-system-x86[15027]: segfault at 698 ip 00007f94be628166 sp 00007f94bb820c58 error 6 in libc-2.12.so[7f94be5a5000+189000]
Bisect result
the first bad commit:
commit 00c8cb0a36f51a6866a83c08962d12a0eb21864b
Author: Andreas Färber <afaerber@suse.de>
Date: Wed Sep 4 02:19:44 2013 +0200
cputlb: Change tlb_flush() argument to CPUState
Signed-off-by: Andreas Färber <afaerber@suse.de>
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1293975/+subscriptions
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Qemu-devel] [Bug 1293975] [NEW] Guest is destroyed after live migration
2014-03-18 8:00 [Qemu-devel] [Bug 1293975] [NEW] Guest is destroyed after live migration Robert Hu
2014-03-18 14:21 ` [Qemu-devel] [Bug 1293975] " Dr. David Alan Gilbert
@ 2014-03-18 15:13 ` 陈梁
2014-03-18 15:33 ` [Qemu-devel] [Bug 1293975] " Dr. David Alan Gilbert
2014-03-24 8:33 ` Robert Hu
3 siblings, 0 replies; 6+ messages in thread
From: 陈梁 @ 2014-03-18 15:13 UTC (permalink / raw)
To: Bug 1293975; +Cc: 陈梁, qemu-devel
Do you have some qemu log about the failure?
> Public bug reported:
>
> Environment:
> ------------
> Host OS (ia32/ia32e/IA64):ia32e
> Guest OS (ia32/ia32e/IA64):ia32e
> Guest OS Type (Linux/Windows):Linux
> kvm.git Commit:8fbb1daf3e8254afc17fc4490b69db00920197ae
> qemu.git Commit: 6fffa26244737f8fd8641a21fee29bd6aa9fdff5
> Host Kernel Version:3.14.0-rc3
> Hardware:Romley_EP, Ivytown_EP
>
>
> Bug detailed description:
> --------------------------
> after live migration, the guest will be destroyed
>
> note:
> after save restore, the guest will be destroyed.
>
> Reproduce steps:
> ----------------
> 1.Start a TCP daemon for migration
> qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow -incoming tcp:localhost:4444
> 2. create guest
> qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow
> 3. ctrl+alt+2 to switch to qemu monitor
> 4. migrate tcp:localhost:4444
>
> Current result:
> ----------------
> the guest will be destroyed
>
> Expected result:
> ----------------
> the guest works fine
>
> Basic root-causing log:
> ----------------------
> qemu-system-x86[15027]: segfault at 698 ip 00007f94be628166 sp 00007f94bb820c58 error 6 in libc-2.12.so[7f94be5a5000+189000]
>
>
> Bisect result
> the first bad commit:
> commit 00c8cb0a36f51a6866a83c08962d12a0eb21864b
> Author: Andreas Färber <afaerber@suse.de>
> Date: Wed Sep 4 02:19:44 2013 +0200
>
> cputlb: Change tlb_flush() argument to CPUState
>
> Signed-off-by: Andreas Färber <afaerber@suse.de>
>
> ** Affects: qemu
> Importance: Undecided
> Status: New
>
> --
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/1293975
>
> Title:
> Guest is destroyed after live migration
>
> Status in QEMU:
> New
>
> Bug description:
> Environment:
> ------------
> Host OS (ia32/ia32e/IA64):ia32e
> Guest OS (ia32/ia32e/IA64):ia32e
> Guest OS Type (Linux/Windows):Linux
> kvm.git Commit:8fbb1daf3e8254afc17fc4490b69db00920197ae
> qemu.git Commit: 6fffa26244737f8fd8641a21fee29bd6aa9fdff5
> Host Kernel Version:3.14.0-rc3
> Hardware:Romley_EP, Ivytown_EP
>
>
> Bug detailed description:
> --------------------------
> after live migration, the guest will be destroyed
>
> note:
> after save restore, the guest will be destroyed.
>
> Reproduce steps:
> ----------------
> 1.Start a TCP daemon for migration
> qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow -incoming tcp:localhost:4444
> 2. create guest
> qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow
> 3. ctrl+alt+2 to switch to qemu monitor
> 4. migrate tcp:localhost:4444
>
> Current result:
> ----------------
> the guest will be destroyed
>
> Expected result:
> ----------------
> the guest works fine
>
> Basic root-causing log:
> ----------------------
> qemu-system-x86[15027]: segfault at 698 ip 00007f94be628166 sp 00007f94bb820c58 error 6 in libc-2.12.so[7f94be5a5000+189000]
>
>
> Bisect result
> the first bad commit:
> commit 00c8cb0a36f51a6866a83c08962d12a0eb21864b
> Author: Andreas Färber <afaerber@suse.de>
> Date: Wed Sep 4 02:19:44 2013 +0200
>
> cputlb: Change tlb_flush() argument to CPUState
>
> Signed-off-by: Andreas Färber <afaerber@suse.de>
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/qemu/+bug/1293975/+subscriptions
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Qemu-devel] [Bug 1293975] Re: Guest is destroyed after live migration
2014-03-18 8:00 [Qemu-devel] [Bug 1293975] [NEW] Guest is destroyed after live migration Robert Hu
2014-03-18 14:21 ` [Qemu-devel] [Bug 1293975] " Dr. David Alan Gilbert
2014-03-18 15:13 ` [Qemu-devel] [Bug 1293975] [NEW] " 陈梁
@ 2014-03-18 15:33 ` Dr. David Alan Gilbert
2014-03-19 10:25 ` Oliver Francke
2014-03-24 8:33 ` Robert Hu
3 siblings, 1 reply; 6+ messages in thread
From: Dr. David Alan Gilbert @ 2014-03-18 15:33 UTC (permalink / raw)
To: qemu-devel
It looks like this is fixed by:
https://github.com/afaerber/qemu-cpu/commit/5a4ad843eee6ba2241828f568af6e147461b4e54
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1293975
Title:
Guest is destroyed after live migration
Status in QEMU:
New
Bug description:
Environment:
------------
Host OS (ia32/ia32e/IA64):ia32e
Guest OS (ia32/ia32e/IA64):ia32e
Guest OS Type (Linux/Windows):Linux
kvm.git Commit:8fbb1daf3e8254afc17fc4490b69db00920197ae
qemu.git Commit: 6fffa26244737f8fd8641a21fee29bd6aa9fdff5
Host Kernel Version:3.14.0-rc3
Hardware:Romley_EP, Ivytown_EP
Bug detailed description:
--------------------------
after live migration, the guest will be destroyed
note:
after save restore, the guest will be destroyed.
Reproduce steps:
----------------
1.Start a TCP daemon for migration
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow -incoming tcp:localhost:4444
2. create guest
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow
3. ctrl+alt+2 to switch to qemu monitor
4. migrate tcp:localhost:4444
Current result:
----------------
the guest will be destroyed
Expected result:
----------------
the guest works fine
Basic root-causing log:
----------------------
qemu-system-x86[15027]: segfault at 698 ip 00007f94be628166 sp 00007f94bb820c58 error 6 in libc-2.12.so[7f94be5a5000+189000]
Bisect result
the first bad commit:
commit 00c8cb0a36f51a6866a83c08962d12a0eb21864b
Author: Andreas Färber <afaerber@suse.de>
Date: Wed Sep 4 02:19:44 2013 +0200
cputlb: Change tlb_flush() argument to CPUState
Signed-off-by: Andreas Färber <afaerber@suse.de>
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1293975/+subscriptions
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Qemu-devel] [Bug 1293975] Re: Guest is destroyed after live migration
2014-03-18 15:33 ` [Qemu-devel] [Bug 1293975] " Dr. David Alan Gilbert
@ 2014-03-19 10:25 ` Oliver Francke
0 siblings, 0 replies; 6+ messages in thread
From: Oliver Francke @ 2014-03-19 10:25 UTC (permalink / raw)
To: qemu-devel
Hi,
was just about to open a bug-report... but...
On 03/18/2014 04:33 PM, Dr. David Alan Gilbert wrote:
> It looks like this is fixed by:
> https://github.com/afaerber/qemu-cpu/commit/5a4ad843eee6ba2241828f568af6e147461b4e54
>
yikes, it now works ;)
Thnx,
Oliver.
--
Oliver Francke
filoo GmbH
Moltkestraße 25a
33330 Gütersloh
HRB4355 AG Gütersloh
Geschäftsführer: J.Rehpöhler | C.Kunz
Folgen Sie uns auf Twitter: http://twitter.com/filoogmbh
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Qemu-devel] [Bug 1293975] Re: Guest is destroyed after live migration
2014-03-18 8:00 [Qemu-devel] [Bug 1293975] [NEW] Guest is destroyed after live migration Robert Hu
` (2 preceding siblings ...)
2014-03-18 15:33 ` [Qemu-devel] [Bug 1293975] " Dr. David Alan Gilbert
@ 2014-03-24 8:33 ` Robert Hu
3 siblings, 0 replies; 6+ messages in thread
From: Robert Hu @ 2014-03-24 8:33 UTC (permalink / raw)
To: qemu-devel
kvm.git + qemu.git: 94b3ffcd_f71e769d
after live migration, the guest works fine.
** Changed in: qemu
Status: New => Fix Released
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1293975
Title:
Guest is destroyed after live migration
Status in QEMU:
Fix Released
Bug description:
Environment:
------------
Host OS (ia32/ia32e/IA64):ia32e
Guest OS (ia32/ia32e/IA64):ia32e
Guest OS Type (Linux/Windows):Linux
kvm.git Commit:8fbb1daf3e8254afc17fc4490b69db00920197ae
qemu.git Commit: 6fffa26244737f8fd8641a21fee29bd6aa9fdff5
Host Kernel Version:3.14.0-rc3
Hardware:Romley_EP, Ivytown_EP
Bug detailed description:
--------------------------
after live migration, the guest will be destroyed
note:
after save restore, the guest will be destroyed.
Reproduce steps:
----------------
1.Start a TCP daemon for migration
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow -incoming tcp:localhost:4444
2. create guest
qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -net none /root/rhel6u4.qcow
3. ctrl+alt+2 to switch to qemu monitor
4. migrate tcp:localhost:4444
Current result:
----------------
the guest will be destroyed
Expected result:
----------------
the guest works fine
Basic root-causing log:
----------------------
qemu-system-x86[15027]: segfault at 698 ip 00007f94be628166 sp 00007f94bb820c58 error 6 in libc-2.12.so[7f94be5a5000+189000]
Bisect result
the first bad commit:
commit 00c8cb0a36f51a6866a83c08962d12a0eb21864b
Author: Andreas Färber <afaerber@suse.de>
Date: Wed Sep 4 02:19:44 2013 +0200
cputlb: Change tlb_flush() argument to CPUState
Signed-off-by: Andreas Färber <afaerber@suse.de>
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1293975/+subscriptions
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2014-03-24 8:41 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-03-18 8:00 [Qemu-devel] [Bug 1293975] [NEW] Guest is destroyed after live migration Robert Hu
2014-03-18 14:21 ` [Qemu-devel] [Bug 1293975] " Dr. David Alan Gilbert
2014-03-18 15:13 ` [Qemu-devel] [Bug 1293975] [NEW] " 陈梁
2014-03-18 15:33 ` [Qemu-devel] [Bug 1293975] " Dr. David Alan Gilbert
2014-03-19 10:25 ` Oliver Francke
2014-03-24 8:33 ` Robert Hu
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