Justin, here is a workaround for xen-create-image:
https://bugs.launchpad.net/ubuntu/+bug/1007439/comments/15
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Title:
libc6 crash while running
Is there any way this can get pushed to precise instead of precise-
updates? See https://bugs.launchpad.net/ubuntu/+bug/1007439 - it's now
impossible to use xen-tools (e.g. xen-create-image) to make a 12.04
guest because this bug is hit almost instantly during the debootstrap
install process
This bug was fixed in the package eglibc - 2.15-0ubuntu10.3
---
eglibc (2.15-0ubuntu10.3) precise; urgency=low
* Backport fixes for dbl-64 and ldbl-128 issues (LP: #1000498)
* Backport another FMA support patch from glibc master branch.
eglibc (2.15-0ubuntu10.2)
I am affected by this bug too (rented 1und1 Virtual Server) and I can
confirm that the following steps solve the problem (taken from
https://wiki.ubuntu.com/Testing/EnableProposed)
1.) add precise-proposed to /etc/apt/sources.list as described
deb http://archive.ubuntu.com/ubuntu/
Likewise, I can confirm this latest package fixes the issue for me on
various XenServer DomU instances running Precise 12.04.1 LTS 64 bit with
Hosts/Dom0 on dual AMD 6238 cpus.
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I needed a step 2.5 to update my 1and1 Virtual Server. Refer to
https://wiki.ubuntu.com/Testing/EnableProposed for steps 1 and 2. Steps
2.5 and 3 are commands that can be copied and pasted.
1.) add precise-proposed to /etc/apt/sources.list as described in
Tested across several machines, both Xen Dom0's where this specific
error was occurring and other machines which had the same error produced
during some dpkg operations are now fixed.
** Tags removed: verification-needed
** Tags added: verification-done
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Any update on this? I'm completely blocked on this at the moment.
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Title:
libc6 crash while running 'xm'
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Hello Adrian, or anyone else affected,
Accepted eglibc into precise-proposed. The package will build now and be
available at http://launchpad.net/ubuntu/+source/eglibc/2.15-0ubuntu10.3
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
Unfortunately not, worse still it appears the fixed version
(2.15-0ubuntu10.1) appears to have been removed from precise proposed...
I fortunately have the debs in my cache still but I no longer can get
the libc6-dev debs to install build-essential.
This really needs to be fixed as a matter of
They were removed due to being superseded by a security update. Redoing the
update (+ the security fix) is in progress.
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Title:
libc6 crash
Thanks for that Scott, how long will it likely be before this is merged
back into precise main repos?
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libc6 crash while running 'xm'
To
Thanks Scott, do you have any idea on a rough ETA (and also when we
could expect this new version to make it into the main repositories?)
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I am told today for -proposed. It's generally a week or so from -proposed
to the main repositories.
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Title:
libc6 crash while running 'xm'
To
Nearly a month on multiple XenServer VMs running 12.04.1 and no problems at all.
Can I presume the update hasn't made it into today's libc6 security updates?
Thanks.
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4 days running on several servers with no issues at all, all oneirc -
precise guest OS upgrades using the proposed repository, on XenServer
6.0.2 with AMD cpus (dual Opteron 12 core 6238) on the hosts.
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I'm afraid it still isn't a bulletproof fix.
The dom0 boots up fine, but while debootstrapping a precise machine I
encountered a core dump with unknown exception during debconf
installation.
I doubled checked and booted without xen and the debootstrapping went
just fine.
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debootstrap seems to use the current non fixed libc files which could
explain the above behaviour.
Lets see what happens when the fixed eglibc will be published.
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I can confirm that after adding proposed to a 11.10 install, then apt-get
update and do-release-upgrade'ing it to 12.04 the install now works and so far
so good!
Hopefully it'll get into main and the netinstall soon!
Thanks for the work Adam.
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I just enabled the proposed repository and installed
eglibc-2.15-0ubuntu10.1 but it didn't change anything.
I still get the same errors as before when entering a non-existing
command in the shell.
https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/956051/comments/20
I just did a fresh
Alexander, the package you'd want to be upgrading to the precise-
proposed version would be libc6.
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libc6 crash while running 'xm'
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Thank you Adam! Now it looks like everything is working :-)
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libc6 crash while running 'xm'
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** Tags removed: verification-needed
** Tags added: verification-done
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libc6 crash while running 'xm'
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** Description changed:
+ [Impact]
+ When using xen as a hypervisor on AMD Bulldozer/Opteron hardware, 'xm list'
will cause an 'invalid opcode' trap and crash.
+
+ [Development Fix]
+ This is fixed in quantal.
+
+ [Stable Fix]
+ A fix can be backported from quantal into precise.
+
+ [Test
** Description changed:
+ SRU Justification:
+
[Impact]
When using xen as a hypervisor on AMD Bulldozer/Opteron hardware, 'xm list'
will cause an 'invalid opcode' trap and crash.
[Development Fix]
This is fixed in quantal.
[Stable Fix]
A fix can be backported from quantal into
Hello Adrian, or anyone else affected,
Accepted eglibc into precise-proposed. The package will build now and be
available at http://launchpad.net/ubuntu/+source/eglibc/2.15-0ubuntu10.1
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
Is there anywhere we can get the updated deb for glibc from?
This is a show-stopper for us.
Thanks,
TS.
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Title:
libc6 crash while running 'xm'
There's an upload in the queue for precise-proposed for this, it's just
pending review. As soon as it makes it to precise-updates, I'll be sure
to re-spin debian-installer so that at least the netboot images are sane
(and it will make it to CD media for 12.04.2)
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I'd like to second Tom Worley's comments, this bug is a pain.
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libc6 crash while running 'xm'
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Me, too! A lot of new servers are waiting since april for being tested without
this bug!
It is really to consider to look for alternative server distributions :(
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Thanks for the support guys, but the deadline for the freeze on 12.04.1 LTS has
been and gone.
Adam: Would it be at least possible to push the update out now even though it
won't make it into the installation media, so that we can at least upgrade or
use the net-install image?
Thanks,
Tom.
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Bug was fixed almost 2 weeks ago, my FX-8120 works fine.
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libc6 crash while running 'xm'
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Can I ask that the Precise fix gets put into 12.04.1 LTS as at the moment the
12.04 LTS installer will not install on XenServer, this would make a big
difference rather than having to try and install 11.10 and then upgrade (if the
correct package will be used in the upgrade).
This is quite an
** Branch linked: lp:ubuntu/eglibc
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libc6 crash while running 'xm'
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This bug was fixed in the package eglibc - 2.15-0ubuntu16
---
eglibc (2.15-0ubuntu16) quantal; urgency=low
* Backport fix from 2.16 to fix htons() conversion errors on non-x86
architectures, by correctly casting to uint16_t (LP: #1016349)
* Restore missing AT_EMPTY_PATH
** Changed in: eglibc (Ubuntu Precise)
Importance: Medium = High
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Similar problem on my AMD FX-8120 and Ubuntu 12.10 x64
https://bugs.launchpad.net/ubuntu/+source/xen/+bug/1029175
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Title:
libc6 crash while
When I install Ubuntu 12.04 as Guest System on a Xen Server I get this
dmesg-errors all the time:
Jul 25 05:05:25 kernel: [129839.757278] landscape-sysin[27526]
trap invalid opcode ip:7f3c3e11a5fc sp:7fff1a08fc50 error:0 in
libm-2.15.so[7f3c3e0d8000+f9000]
Jul 25 05:05:25 kernel:
Unfortunately this is still affecting me, and I can't get Ubuntu 12.04 LTS
server installed on fully patched XenServer 6.0.2
I tried to get around it by installing Ubuntu 10.04.4 LTS and upgrading to
10.10-11.04-11.10 (all fine) and then the upgrade from 11.10-12.04 failed
with the Python
This bug also affects the ubuntu install on our dual AMD 6238 cpus while
running XenServer 6.0.201 and also Xen Cloud Platform 1.5
The installer shows:
Warning: Failure trying to run: chroot /target dpkg --force-depends --install
/var/cache/apt/archives/debconf_1.5.42ubuntu1_all.deb
In the log
I am also affected by this bug (dual Opteron 12 core 6238), but when starting
/etc/init.d/xcp-xapi
Fresh install of Ubuntu 12.04
About to try the cpuid_mask_ext_ecx fix.
Adam: I'll test the backport if you need?
# /etc/init.d/xcp-xapi start
Error: Connection refused (calling connect )
syslog:
Note that this may also need fixing in lucid, but that backport might
cause a bit of pain. Looking into it now.
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libc6 crash while
I'm fixing this in quantal right now, and will backport to precise, with
upstream's more correct fix. I'd love testers, once I get this all
done here, as I have no AMD hardware to test on, only Intel. (The
upstream fix was widely tested, however, so I have a fair amount of
trust in it)
**
I installed the patch from Kenny Millington's PPA.
It's now working as intended.
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libc6 crash while running 'xm'
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Attached is a debdiff for the patch proposed in comment #7 by jwestfall:
disabling FMA4 if AVX support is unavailable.
A package containing this patch has been pushed to my lpbugs PPA at:
https://launchpad.net/~kmdm/+archive/lpbugs/
IMPORTANT NOTE: This is *UNTESTED* since due to commercial
Same on AMD FX(tm)-8120 Eight-Core Processor Ubuntu 12.04 amd 64 - fresh
install
-libc6: 2.15-0ubuntu10
-xen-hypervisor-4.1-amd64: 4.1.2-2ubuntu2
-linux-image-3.2.0-24-generic: 3.2.0-24.39
cpuid_mask_ext_ecx=0xFFFEFFF cpuid_mask_ecx=0xEFF didnt work.
cpuid_mask_cpu=fam_10_rev_c didnt work
Same on AMD Opteron(tm) Processor 4226 with ubuntu 12.04
libc6: 2.15-0ubuntu10
linux-image-generic: 3.2.0.24.26
xen-hypervisor-4.1-amd64: 4.1.2-2ubuntu2
cpuid_mask_ext_ecx=0xFFFEFFF cpuid_mask_ecx=0xEFF didnt work.
cpuid_mask_cpu=fam_10_rev_c works for me
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Solved by Redhat:
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=1a0994f5356214e8af8a1c1cc33fbf74a7ac8993
http://sourceware.org/bugzilla/show_bug.cgi?id=14059#c7 can Ubuntu
measure up to them, please?
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HI
The attached patch against 2.15-0ubuntu10 resolves the issue for me.
It does this by disabling FMA4 if AVX is unavailable.
thanks
jim
** Patch added: fma4-depends-avx.diff
https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/956051/+attachment/3135508/+files/fma4-depends-avx.diff
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** Also affects: eglibc (Ubuntu Precise)
Importance: Undecided
Status: New
** Changed in: eglibc (Ubuntu Precise)
Importance: Undecided = Medium
** Changed in: eglibc (Ubuntu Precise)
Status: New = Confirmed
** Changed in: eglibc (Ubuntu Precise)
Milestone: None =
Hi
In briefly talking with the xen folks, this is a glibc bug. I filed the
following bug report with them.
http://sourceware.org/bugzilla/show_bug.cgi?id=14059
jim
** Bug watch added: Sourceware.org Bugzilla #14059
http://sourceware.org/bugzilla/show_bug.cgi?id=14059
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Hello,
cpuid_mask_ext_ecx=0xFFFEFFF cpuid_mask_ecx=0xEFF didn't work with
my setup, but I found a similiar workaround:
Reducing the instruction set to an older K10 opteron architecture helps:
cpuid_mask_cpu=fam_10_rev_c
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Hi
It appears this issue can be worked around by adding the following
options to xen's command line in grub.
cpuid_mask_ext_ecx=0xFFFEFFF cpuid_mask_ecx=0xEFF
This masks both FMA4 and AVX from cpuid for dom0 and all domU's
Also note that xen has a cpuid option for domU configs that allows
Hi
Some additional information that leads me to believe this is a xen
issue.
gcc 4.6.3 code has the following
#define OPTION_MASK_ISA_FMA4_SET \
(OPTION_MASK_ISA_FMA4 | OPTION_MASK_ISA_SSE4A_SET \
| OPTION_MASK_ISA_AVX_SET)
So when you use -mfma4 option it also enables avx instruction
I am running into this issue as well on a 12.04 domU with a AMD Opteron
6272 based box.
[14553.237586] apport[18522] trap invalid opcode ip:7f1d632625fc
sp:78701390 error:0 in libm-2.15.so[7f1d6322+f9000]
Debugging info
(gdb) exec-file python-dbg
(gdb) run
Starting program:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: eglibc (Ubuntu)
Status: New = Confirmed
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