This bug still exists in 12.04.4
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https://bugs.launchpad.net/bugs/1045027
Title:
[regression] iPXE kills kvm with KVM: entry failed, hardware error
0x8021
To manage
Reproduced in Quantal with the last kernel (3.5.0-30-generic):
2013-05-23 15:39:27.176+: starting up
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
QEMU_AUDIO_DRV=none /usr/bin/kvm-spice -name windows1 -S -M pc-1.2 -enable-kvm
-m 3500
-smp
This bug can be reproduce in Raring (kernel 3.8.0-6-generice) on a
Laptop with core duo processor T2300 (32-bit).
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Title:
[regression] iPXE
This bug can be reproduced in Raring (kernel: 3.8.0-6-generic ) on a
Laptop with core duo processor T2300 (32-bit).
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Title:
[regression] iPXE
Hi GONG-Yi,
I've just tested it on the same machine I originally reported this with and
it seems fine to me; so whatever it is it seems like a separate variation; can
you submit a new bug stating the version of linux, qemu and iPXE your using and
including the log from /var/log/libvirt/qemu
I am not sure if this is caused by different CPU, I have almost exactly
the same setting on another laptop (Thinkpad T61, CPU T7500 64-bit
Ubuntu Raring), the KVM quest runs without any problems. But the same
setting on the laptop with CPU T2300 32-bit Ubuntu Raring, KVM just
pauses.
the
Hi Gong-Yi,
OK, as I say it's probably best to open as a new bug and then add the comment
back here to state the bug number you got.
Also, is it happening when doing the same thing - i.e. when starting iPXE?
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** Branch linked: lp:ubuntu/quantal-proposed/linux-lowlatency
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Title:
[regression] iPXE kills kvm with KVM: entry failed, hardware error
This bug was fixed in the package linux - 3.5.0-16.24
---
linux (3.5.0-16.24) quantal-proposed; urgency=low
[ Andy Whitcroft ]
* SAUCE: ata_piix: add a disable_driver option
- LP: #994870
[ Christian König ]
* (pre-stable) drm/radeon: make 64bit fences more robust v3
Looks good:
Linux major 3.5.0-16-generic #24-Ubuntu SMP Thu Sep 27 23:57:26 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
Thanks all!
Dave
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Title:
Upstream has provided some feedback. 3.6 has had a lot more
(unbackportable) work in this area. Upstream will see if this can be
fixed, if not, they will revert it.
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Since an upstream fix is not scheduled to happen soon, a revert of
commit b398aa31 will be requested for Quantal.
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Title:
[regression] iPXE
** Changed in: linux (Ubuntu Quantal)
Status: In Progress = Fix Committed
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Title:
[regression] iPXE kills kvm with KVM: entry failed,
nack - both 3.6.-rc2 and 3.6-rc3 work.
Linux major 3.6.0-030600rc3-generic #201208221735 SMP Wed Aug 22 21:36:32 UTC
2012 x86_64 x86_64 x86_64 GNU/Linux
Linux major 3.6.0-030600rc2-generic #201208161835 SMP Thu Aug 16 22:36:32 UTC
2012 x86_64 x86_64 x86_64 GNU/Linux
Dave
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and 3.6-rc1 is good as well:
Linux major 3.6.0-030600rc1-generic #201208022056 SMP Fri Aug 3 00:57:36
UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
Dave
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@Dave,
Thanks for testing. That is an interesting test result, since the
commit that causes this bug in v3.5.3 has also been applied against
v3.6-rc1:
commit b246dd5df139501b974bd6b28f7815e53b3a792f
Author: Orit Wasserman owass...@redhat.com
Date: Thu May 31 14:49:22 2012 +0300
KVM: VMX:
For completeness, can you test v3.5.4:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.5.4-quantal/
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Title:
[regression] iPXE kills kvm with
Yeh, already tested 3.5.4 - it's broken ( Linux major
3.5.4-030504-generic #201209142010 SMP Sat Sep 15 00:11:50 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux )
There are a heck of a lot of differences in the kvm code between 3.5.x
and 3.6.x (about 400 patches from what I can see), so it's a bit of a
@Albert,
Can you also confirm that v3.6-rc2[0] and v3.6-rc1[1] do not have the
bug?
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc1-quantal/
[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc2-quantal/
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removed tag, since was already accepted to series.
** Tags removed: release-q-incoming
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Title:
[regression] iPXE kills kvm with KVM: entry
Joseph,
with default module parameters for 3.6, meaning emulate_invalid_guest_state=Y,
both 3.6-rc1 and -rc2 are good.
However, with emulate_invalid_guest_state=N, like it is with 3.5 kernels, both
rc1 and rc2 are bad. Also 3.6-rc7 from the mainline ppa is bad with this module
parameter
Just to confirm, can you test upstream v3.6-rc2[0], and confirm it has
the bug. Then test v3.6-rc3[1] and confirm it is fixed?
If that is the case, I can perform a reverse bisect to identify the
commit that fixes the bug.
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc2-quantal/
[1]
Thanks for testing, Dave and Albert.
I'll take a look at the 3.5-rc3 changelog and see if I can spot the fix
for this.
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Title:
[regression]
linux-image-3.5.0-15-generic_3.5.0-15.22~lp1045027v1_amd64.deb works
fine for me too.
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Title:
[regression] iPXE kills kvm with KVM: entry
Hi Joseph,
Linux major 3.5.0-15-generic #22~lp1045027v1 SMP Thu Sep 20 19:26:02 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
That seems to work; Thanks!
I guess one thought is that since 3.6-rc3 works fine, it would probably
be better to pick whatever fixed it from the newer one.
Dave
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** Summary changed:
- iPXE kills kvm with KVM: entry failed, hardware error 0x8021
+ [regression] iPXE kills kvm with KVM: entry failed, hardware error 0x8021
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Thanks for testing, Dave. I will start a bisect between 3.5.2 and
3.5.3. I'll post a test kernel shortly.
** Also affects: linux (Ubuntu Quantal)
Importance: Critical
Status: Triaged
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I just re-read comment #13. I'll first build a Quantal test kernel with
commit KVM: VMX: Fix KVM_SET_SREGS with big real mode segments
reverted.
Thanks for finding that, Albert!
I'll post it shortly.
** Changed in: linux (Ubuntu Quantal)
Assignee: (unassigned) = Joseph Salisbury
I built a Quantal test kernel with commit b398aa31 reverted. The kernel is
available at:
http://people.canonical.com/~jsalisbury/lp1045027/
Can folks affected by this bug test that kernel, and post back if it
fixes the issue or not?
Thanks in advance!
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