ok, can i at least assume that shim is not required? that was my main issue.
i wanted a single unencrypted file (grub + initramfs by another name:), and, my
chain of trust.
that is the key for me, if there is a requirement to only use shim and
the microsoft keys, i'm in trouble.
if its simply
** Changed in: grub2 (Ubuntu)
Status: Invalid => New
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https://bugs.launchpad.net/bugs/1890672
Title:
secure boot fails after upgrade to grub2-common 2.04-1ubuntu26.2
To manage
I'm the author of that secure boot package.
I think you might misunderstand... what it does is put all the grub config etc
into a signed initramfs. So you cannot change the grub.cfg.
Also, to sign the binaries you need the GPG keyring and the passphrase.
The objective is to *not* use the shipped
Observing on Focal 20.04 on ROG STRIX X470-I, same ALC1220 audio device.
Its intermittent, sometimes audacity will record properly. Sometimes it
will record slow and playback fast.
its not just audacity, e.g. chrome observes same affect
(https://mictests.com/)
bumped kernel to
See also https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890882
I just recompiled from upstream git repo, and same problem.
(w/ X11)
I did:
$ lxc launch images:ubuntu/bionic/amd64 b
to get a fresh system, and followed the build instructions from
https://www.freecadweb.org/wiki/CompileOnUnix
I wonder if this fix fell out or is somehow different now?
The below script, on 4.11rc7:
1cpu: 0m1.379s
12cpu: 1m36.556s
72cpu: 2m20.118s
This is a *huge* impact for neutron L3 agent on my OpenStack system.
# cd /tmp
# ip netns add foo
# ip netns add bar
# for i in `seq 0 1000` ; do echo -e
You may also need to add 'smfp' to /etc/sane.d/dll.conf.
And check:
SANE_DEBUG_DLL=128 scanimage -L
to see a line like:
device `smfp:net;172.16.0.222' is a Samsung C460 Series on 172.16.0.222 Scanner
device `smfp:net;fddcb6f32fe0021599fffecdf33f' is a Samsung C460 Series on
For myself as well the C460FW was plug until 16.04++.
Now my workaround is to edit /etc/sane.d/xerox_mfp.conf and add add line:
tcp PRINTERIP 9400
and then it resumes working.
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tried on utopic. resolved my issue with OpenStack snapshots.
** Tags removed: verification-needed
** Tags added: verification-done
** Description changed:
===
SRU Justification:
1. Impact: migration fails
2. Test case: Have cpu
tried 1.2.8-0ubuntu11.3. seems to resolve.
** Tags removed: verification-needed
** Tags added: verification-done
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Title:
libvirt-bin crashes /
I added the ppa:
$ cat /etc/apt/sources.list.d/serge-hallyn-ubuntu-virt-utopic.list
deb http://ppa.launchpad.net/serge-hallyn/virt/ubuntu utopic main
whilst the sru process presumably continues.
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i ran the ppa image on 10 blades for a day in my production. its cycled
through ~10K instances. so far so good, it appears to have solved this
issue.
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the attached (utopic.xml) shows how to launch a virtual machine running 14.10
under KVM that will demonstrate the problem w/ the attached script.
it pretends to have 2 socks NUMA to make the problem occur (in case it does not
on a single socket, since cgmanager is inter-related somehow)
**
on startup of libvirtd, it does a cgm_dbus_connect() for each thread (e.g. each
instance which is running).
One of these fails, not all.
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https://bugs.launchpad.net/bugs/1367702
Title:
there may be some threading issues here
e.g. https://bugs.launchpad.net/ubuntu/+source/libnih/+bug/1294200
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Title:
libvirt-bin terminated
OK, that is the problem.
in src/util/cgmanager.c, we are calling cgm_dbus_connect() from multiple
threads.
it in turn assigns 'cgroup_manager'.
but this is a global (static) var. So the threads fight over it, and corrupt.
static NihDBusProxy *cgroup_manager = NULL;
bool cgm_running = false;
so part of the issue is cgm_* is not thread safe, but is called from various
threads.
e.g. if u start libvirtd w/ several instances already running, it will call
cgm_dbus_connect from each.
there is a pair of global variable:
static NihDBusProxy *cgroup_manager = NULL;
bool cgm_running = false;
this patch to libvirt gets it going.
** Patch added: don-cgm.patch
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1397130/+attachment/4282322/+files/don-cgm.patch
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I just tried, it did not immediately reproduce, will let it run for a
bit.
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Title:
libvirt-bin crashes / refuses to restart if cgmanager is
the attached script will reproduce this on utopic.
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Title:
libvirt-bin crashes / refuses to restart if cgmanager is restarted
To manage
the attached script will reproduce this on utopic. I did it on a virtual
machine running under kvm, but it will also do it bare-metal.
#!/bin/bash
apt-get -qy install virtinst libvirt-bin
die() {
echo $*
exit 1
}
dir=$(mktemp -d /tmp/repro.XX)
echo rep files in $dir
cd $dir
chgrp
script to reproduce (as attachment)
** Attachment added: script to reproduce
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1397130/+attachment/4281789/+files/repro
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attached.
it didn't happen the first time [w/ 0 instances running].
i then started 1, and virsh hung [after my earlier restart?]
its now dead.
this is a different blade, a 2x E5-2640 0 @ 2.50GHz
** Attachment added: ubuntu-virt.txt
463.169884] init: cgmanager main process (510) killed by TERM signal
[ 468.885143] show_signal_msg: 1 callbacks suppressed
[ 468.885149] libvirtd[44515]: segfault at 0 ip 7fb39575b90f sp
7fb38241b8e0 error 4 in libvirt.so.0.1002.8[7fb3956f+2b3000][
469.049895] init: libvirt-bin
the latest repro shows this stack trace if it helps.
Linux nubo-9 3.16.0-28-generic #37-Ubuntu SMP Mon Dec 8 17:15:28 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
root@nubo-9:/var/crash# dpkg -l |grep cgm
ii cgmanager 0.33-2
amd64
another way to reproduce this is to start new instances quickly (e.g.
create back to back), and then restart libvirt-bin.
and sometimes, just start new instances quickly (w/o restart libvirt-
bin)
for example, for host X, if the sleep are commented out, it will
normally crash libvirt if this is
reproduced with requested steps attached
** Attachment removed: ubuntu-virt.txt
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1397130/+attachment/4279216/+files/ubuntu-virt.txt
** Attachment added: ubuntu-virt.txt
Public bug reported:
reference bug 1367702. As per request, opening new ticket w/
instructions to reproduce.
This is on 14.10 server, libvirt-bin 1.2.8-0ubuntu11.1
As per 1367702, this is not using LXC (which u used in your attempt).
This is running bare-metal, no container, no hypervisor. Each
apport information
** Attachment added: RelatedPackageVersions.txt
https://bugs.launchpad.net/bugs/1397130/+attachment/4269913/+files/RelatedPackageVersions.txt
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[Thread debugging using libthread_db enabled]
Using host libthread_db library /lib/x86_64-linux-gnu/libthread_db.so.1.
Core was generated by `libvirtd -v'.
Program terminated with signal SIGABRT, Aborted.
#0 0x7fa266277d27 in __GI_raise (sig=sig@entry=6) at
Public bug reported:
reference bug 1367702. As per request, opening new ticket w/
instructions to reproduce.
This is on 14.10 server, libvirt-bin 1.2.8-0ubuntu11.1
As per 1367702, this is not using LXC (which u used in your attempt).
This is running bare-metal, no container, no hypervisor. Each
apport information
** Attachment added: KernLog.txt
https://bugs.launchpad.net/bugs/1397130/+attachment/4269912/+files/KernLog.txt
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Title:
(gdb) bt
#0 0x7f9fd650ad27 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x7f9fd650c418 in __GI_abort () at abort.c:89
#2 0x7f9fd448f538 in cgmanager_get_pid_cgroup_sync () from
/lib/x86_64-linux-gnu/libcgmanager.so.0
#3 0x7f9fd6b2302b in
filed bug 1397130 as per request.
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Title:
libvirt-bin terminated unexpectedly
To manage notifications about this bug go to:
if cgmanager is restarted, this problem occurs.
2014-11-22 22:32:45.543+: 18448: error : cgm_dbus_connect:76 : cgmanager:
Error pinging manager: Did not receive a reply. Possible causes include: the
remote application did not send a reply, the message bus security policy
blocked the reply,
sigh, the kvm-spice entry in apparmor.d/libivrt is my workaround. i added it
manually and forget to mention that when attaching above.
w/o that entry, openstack will not start an instance.
with it, it is fine.
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The ls has:
total 192
-rw-r--r-- 1 root root 265 Sep 15 18:46
libvirt-06bba064-b57e-4cf5-a1e3-c39567895aab
-rw-r--r-- 1 root root 1140 Oct 28 03:09
libvirt-06bba064-b57e-4cf5-a1e3-c39567895aab.files
-rw-r--r-- 1 root root 265 Oct 14 04:07
libvirt-0cb7d575-9a0b-4000-b6d2-3901a4d44f7c
Public bug reported:
I believe this commit
http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=de0aeafe9ce3eb414c8b5d3aa8995d776a2952de
fixes the issue.
In OpenStack nova, one gets this error:
libvirtError: internal error: unable to execute QEMU command 'migrate': State
blocked by
Public bug reported:
I believe this commit
http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=de0aeafe9ce3eb414c8b5d3aa8995d776a2952de
fixes the issue.
In OpenStack nova, one gets this error:
libvirtError: internal error: unable to execute QEMU command 'migrate': State
blocked by
osadmin-don@nubo-7:~$ ls -l /usr/bin/kvm*
-rwxr-xr-x 1 root root 52 Jul 30 23:06 /usr/bin/kvm
lrwxrwxrwx 1 root root 3 Oct 16 09:59 /usr/bin/kvm-spice - kvm
$ sudo apt-file search kvm-spice
qemu-kvm: /usr/bin/kvm-spice
domain type='kvm' id='12'
nameinstance-0563/name
Public bug reported:
/usr/bin/kvm-spice is a soft-link to /usr/bin/kvm
in /etc/apparmor.d/abstractions/libvirt-qemu there is no line for kvm-
spice.
This leads rise to the error:
libvirt: error : unable to set AppArmor profile
'libvirt-224075ba-a31a-48e9-98fe-337146e9f4f1' for
Public bug reported:
/usr/bin/kvm-spice is a soft-link to /usr/bin/kvm
in /etc/apparmor.d/abstractions/libvirt-qemu there is no line for kvm-
spice.
This leads rise to the error:
libvirt: error : unable to set AppArmor profile
'libvirt-224075ba-a31a-48e9-98fe-337146e9f4f1' for
after running into this problem infrequently, I enabled logging, and
found that it was this issue for me:
https://groups.google.com/a/chromium.org/forum/#!msg/chromium-
dev/lFgKOYo3iYM/Ws_7Gn32ZoMJ
I increased my ulimit on the # of files, and the renderer no longer
gives the Snap problem
I also observe this on trusty server amd64 (release).
Its a bit hard to diagnose, it just locks up.
two systems... one is zotac z77-itx, and the other is gigabyte brix. in
both cases, only usb keyboard is available. both hang the same way.
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