--- Comment From daniel.axte...@ibm.com 2020-11-12 01:12 EDT---
Hi,
So, here are what I believe are the relevant kernel changes.
Firstly, there is a common core with the support for OpenPower/PowerNV
Secure Boot - LP#1866909 and friends. This covers things like securing
kexec under
--- Comment From niklas.schne...@ibm.com 2020-11-11 11:10 EDT---
(In reply to comment #9)
> I've build patches kernel packages and shared them here for further
> reference and testing:
> https://people.canonical.com/~fheimes/lp1903682/
I've just repeated the original test with this kernel
--- Comment From niklas.schne...@ibm.com 2020-11-10 07:36 EDT---
(In reply to comment #7)
> Ok, I can see that the commit got accepted with 5.10-rc3, hence it will land
> in hirsute.
> And because the patch was tagged as stable for 5.8, it will land in groovy's
> kernel 5.8 (I'll check the
Public bug reported:
Background:
When handling multifunction devices in zPCI we take the
UID of the PCI function with function number 0
(that always exists according to the PCI spec)
as domain number.
Therefore when hot plugging functions with function
number larger than 0 before function 0, we
--- Comment From heinz-werner_se...@de.ibm.com 2020-11-05 12:23 EDT---
We were finally able to cobble together a system to perform some testing on the
provided Ubuntu test kernel.
Here is what was tested (using Debian s390-tools 2.14):
- Using zipl to install the bootloader to NVMe works
** Tags removed: severity-medium
** Tags added: severity-high
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https://bugs.launchpad.net/bugs/1902694
Title:
Ubuntu 20.10- Undetected Data corruption in MPI workloads
--- Comment (attachment only) From wa...@us.ibm.com 2020-11-03 13:57
EDT---
** Attachment added: "mpe.py - test script for vmlinux misalignment"
https://bugs.launchpad.net/bugs/1902694/+attachment/5430774/+files/mpe.py
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--- Comment From wa...@us.ibm.com 2020-11-03 13:56 EDT---
Hello Patricia,
We have this script(mpe.py) which will detect if a vmlinux has the alignment
issue or not. We ran it against 16.04, 18.04, 20.04 and 21.04 kernels, and we
only found the misalignment in 20.04 and 21.04. 16.04's
Public bug reported:
== Comment: #0 - Waiki Wright - 2020-11-02 17:00:07
==
---Problem Description---
A data integrity issue was observed with the Ubuntu 20.04 - 5.4.0-52 and
20.10 - 5.8.0-26 kernel on Power 9. The root cause is found in the
compiling of p9_hmi_special_emu(). When doing a
** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin20041
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https://bugs.launchpad.net/bugs/188
Title:
[UBUNTU 20.04] Failed to install ubuntu
** Tags added: architecture-s39064 bugnameltc-188988 severity-high
targetmilestone-inin2004
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https://bugs.launchpad.net/bugs/1902254
Title:
Bionic: btrfs: kernel BUG at
--- Comment From heinz-werner_se...@de.ibm.com 2020-11-02 04:34 EDT---
IBM bugzilla status-> closed, Fix Released with all requested distros
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Public bug reported:
Description:s390-cio: Add cond_resched() in the slow_eval_known_fn() loop
Symptom:Slow performance during the subchannel scanning
Problem:Higher scheduling latencies for tasks during the subchannel
scanning event on devices with lots
Default Comment by Bridge
** Attachment added: "sosreport"
https://bugs.launchpad.net/bugs/1855679/+attachment/5430193/+files/sosreport-lep8d.stressngsoft-20180731003132.tar.xz
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--- Comment From srikar.dronamr...@in.ibm.com 2020-11-02 01:52 EDT---
Harish,
Since its not updated for a while now, lets close this bug and reopen this or a
new one if we see similar problem again.
Since we dont know if this problem still exists or not, I am marking
this bug as
--- Comment From mihaj...@de.ibm.com 2020-10-29 09:59 EDT---
With 2G, the crashkernel reservation will be 320K, which will not suffice to
unlock the LUKS volume when processing kdump. The installation was done using
2G.
Changing the VM size to 4+G will reserve 512K, and with this size
--- Comment From heinz-werner_se...@de.ibm.com 2020-10-23 03:29 EDT---
*** Bug 185933 has been marked as a duplicate of this bug. ***
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--- Comment From y...@cn.ibm.com 2020-10-22 21:30 EDT---
Based on this comments, can I say the issue is fixed in Ubuntu20.04?
(In reply to comment #29)
> The focal part of this ticket is addressed by:
> "Focal update: v5.4.69 upstream stable release"
>
--- Comment From stefan.haberl...@de.ibm.com 2020-10-22 11:52 EDT---
*** Bug 188223 has been marked as a duplicate of this bug. ***
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--- Comment From heinz-werner_se...@de.ibm.com 2020-10-20 08:52 EDT---
IBM Bugzilla status->closed, Fix Released with all requested distros
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--- Comment From heinz-werner_se...@de.ibm.com 2020-10-20 08:40 EDT---
IBM Bugzilla status-> closed, Fix Released with all requested Distros
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--- Comment From hegdevas...@in.ibm.com 2020-10-19 05:54 EDT---
(In reply to comment #10)
> The commit has the hash 5f4b3a8fa343 in focal and is tagged with
> 'ubuntu-5.4.0-49.53'
> and since we are at 5.4.0.51.54 in focal-updates:
> ? linux-generic | 5.4.0.51.54| focal-updates |
--- Comment From tuan.hoa...@ibm.com 2020-10-19 03:28 EDT---
(In reply to comment #25)
> Kernel test builds based on groovy master-next (cherry-pick) and focal
> master-next (backport) are available here for further testing:
> https://people.canonical.com/~fheimes/lp1899582/
The kernels
--- Comment From jan.hoepp...@de.ibm.com 2020-10-15 13:47 EDT---
(In reply to comment #34)
> So I took the time to re-test this again.
> My z/VM guest has 4 CPUs (but SMT on), and 4 DASD FBA devices that equally
> split a 64GB zFCP/SCSI LUN in 4 16GB FBA chunks.
>
> I've tested (in comment
--- Comment From heinz-werner_se...@de.ibm.com 2020-10-15 03:37 EDT---
@Canonical: Where is this commit currently integrated
commit 709192d531e5 ("s390/dasd: Fix zero write for FBA devices").
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--- Comment From mihaj...@de.ibm.com 2020-10-14 07:51 EDT---
Sorry for not responfing earlier. After installing a new system I can see that
the update happening:
$ cat /proc/cmdline
root=/dev/mapper/vgubuntu-root
--- Comment From tuan.hoa...@ibm.com 2020-10-14 04:43 EDT---
This is the original bug report at Ceph project :
https://tracker.ceph.com/issues/46828. Might help to clarify a bit ...
** Bug watch added: tracker.ceph.com/issues #46828
http://tracker.ceph.com/issues/46828
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--- Comment From tuan.hoa...@ibm.com 2020-10-13 11:40 EDT---
Hi,
This patch is not going to be merged to stable 5.8 tree, more details at
: https://lkml.org/lkml/2020/9/5/106.
Thus we have to do this backport with minor change for 5.4 tree for
Ubuntu 20.04 LTS. The most significant
--- Comment From wa...@us.ibm.com 2020-10-06 11:40 EDT---
Barry verified on 18.04 and everything looks good.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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--- Comment From heinz-werner_se...@de.ibm.com 2020-10-06 09:53 EDT---
Business Case: To accelerate an re-ipl, the memory will not be deleted first,
direct re-ipl possible. This is important if the system allocates terrabytes of
memory.
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--- Comment From hegdevas...@in.ibm.com 2020-10-05 10:07 EDT---
(In reply to comment #8)
> hi Vasant,
>
> according to:
> - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895031
> - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895328
> -
--- Comment From mihaj...@de.ibm.com 2020-10-01 12:49 EDT---
The zipl.conf content was there right after the installation, before even
installing the kdump tools. Hmm ... but I was using the legacy di installer
from
--- Comment From mihaj...@de.ibm.com 2020-10-01 09:43 EDT---
Took me a bit longer than expected, as I ran into some other unrelated issue.
Unfortunately I was not successful. What I did on a pristine Ubuntu 20.04.1
install with a luks-encrypted setup was:
$ add-apt-repository
--- Comment From thierry.fa...@fr.ibm.com 2020-09-30 15:03 EDT---
I loaded the kernel on both focal and groovy and connecting/disconnecting from
the console seems to work. Is there anything I can do to validate it is working
? thanks
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--- Comment From thierry.fa...@fr.ibm.com 2020-09-30 13:13 EDT---
I loaded the kernel on both focal and groovy and connecting/disconnecting from
the console seems to work. Is there anything I can do to validate it is working
? thanks
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--- Comment From tyr...@us.ibm.com 2020-09-29 14:04 EDT---
Verfied 16.04. Still waiting on Focal and Bionic.
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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--- Comment From klaus.theur...@de.ibm.com 2020-09-29 08:58 EDT---
With kernel ubu204 5.4.0-49-generic from Frank Heimes/Canonical:
ran a 8 and 16 guest (secure) scenario with MongoDB, same performance, no qemu
crash, no wiredtiger crash looks good to me.
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--- Comment From klaus.theur...@de.ibm.com 2020-09-29 03:27 EDT---
(In reply to comment #166)
> I took this from "linux-next" (where it was tagged with 'next-20200923') as:
> ~/linux-next$ git show a02b55ea66b9
> commit a02b55ea66b9257744528da609a26279152a3bc3
> Author: Vasily Gorbik
>
--- Comment From pa...@de.ibm.com 2020-09-29 00:26 EDT---
(In reply to comment #163)
> Hi Gerald, I wasn't aware that you already started to work on/with upstream
> stable - that's great!
>
> I had a look at the backport at
>
--- Comment From cborn...@de.ibm.com 2020-09-28 01:44 EDT---
Fix is upstream as
commit d3f7b1bb204099f2f7306318896223e8599bb6a2
Author: Vasily Gorbik
AuthorDate: Fri Sep 25 21:19:10 2020 -0700
Commit: Linus Torvalds
CommitDate: Sat Sep 26 10:33:57 2020 -0700
mm/gup: fix
--- Comment From mihaj...@de.ibm.com 2020-09-24 04:57 EDT---
Quick question, is my understanding correct, that if I upgrade the package the
crashkernel size should be increased in zipl.conf?
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--- Comment From geral...@de.ibm.com 2020-09-23 15:37 EDT---
(In reply to comment #161)
> While working on this bug a patched kernel was created and made available
> here:
> https://people.canonical.com/~fheimes/lp1896726/
> But it's a patched groovy kernel only, since the commit/patch
--- Comment From hegdevas...@in.ibm.com 2020-09-23 07:45 EDT---
(In reply to comment #6)
> built and tested kernel versions available on:
> https://people.canonical.com/~patriciasd/kernel-lp1893897/
Looks good.
Thanks!
-Vasant
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--- Comment From heinz-werner_se...@de.ibm.com 2020-09-23 05:27 EDT---
Severity adapted to critical. Please be aware of that. Many thx
** Tags removed: severity-medium
** Tags added: severity-critical
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--- Comment From heinz-werner_se...@de.ibm.com 2020-09-23 04:54 EDT---
This problem exist also with the current 5.4.0.48 kernel!
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Default Comment by Bridge
** Attachment added: "Look for suspicious buffers"
https://bugs.launchpad.net/bugs/1896726/+attachment/5413450/+files/0001-WIP-look-for-suspicious-buffers.patch
** Changed in: ubuntu
Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)
**
--- Comment From tmri...@de.ibm.com 2020-09-22 08:14 EDT---
I just installed bionic (Ubuntu 18.04) and installed the latest kernel from the
bionic-proposed repository. I can confirm that this bug is fixed.
The counter name DFLT_CCFINISH is available:
oot@t35lp46:~# uname -a
Linux t35lp46
--- Comment From niklas.schne...@ibm.com 2020-09-22 04:02 EDT---
I've verified that this now works as expected on focal-proposed kernel
5.4.0-49.53.
Thanks!
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Public bug reported:
Example of how was detected that the syslog stop working, it has couple
of days without reporting:
root@ilzlnx4:~# tail -f /var/log/syslog
Sep 15 17:16:52 ilzlnx4 kernel: [3725853.664541] sd 3:0:0:2: [sdt] tag#81 CDB:
Inquiry 12 01 c9 00 fe 00
Sep 15 17:16:52 ilzlnx4
--- Comment From heinz-werner_se...@de.ibm.com 2020-09-21 09:07 EDT---
IBM bugzilla status->closed, Fix Released for focal and groovy
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--- Comment From niklas.schne...@ibm.com 2020-09-21 05:55 EDT---
SRU Justification:
[Impact]
* As zpci_dma_exit_device() is never called on a zPCI device that
is removed via PCI event which only informs Linxu of device removal
instead of requesting deconfiguration, the vmalloced memory
--- Comment From niklas.schne...@ibm.com 2020-09-18 06:41 EDT---
Note I just checked and this cherry-picks cleanly on focal/master-next.
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Public bug reported:
Commit "s390/pci: adapt events for zbus" removed the
zpci_disable_device() call for a zPCI event with PEC 0x0304 (hot unplug)
becausethe device is already deconfigured by the platform.
This however skips the Linux side of the disable in particular it leads
to leaking the DMA
--- Comment From heinz-werner_se...@de.ibm.com 2020-09-16 09:02 EDT---
@CAN: Will the patch mentioned in LP comment #8 be used to build the kernel
referenced above made it into the regular Ubuntu kernel?
Many thx in advance
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** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin20041
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https://bugs.launchpad.net/bugs/1802233
Title:
hwclock test failed on Power9 due to 0.x
--- Comment From tyr...@us.ibm.com 2020-09-11 14:07 EDT---
(In reply to comment #33)
> Looks like the patch is not accepted into Greg KH's tty/next tree.
>
TYPO - should read "patch is ***NOW*** accepted into Greg KH's tty/next
tree."
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--- Comment From tyr...@us.ibm.com 2020-09-10 12:36 EDT---
Looks like the patch is not accepted into Greg KH's tty/next tree.
This is a note to let you know that I've just added the patch titled
tty: hvcs: Don't NULL tty->driver_data until hvcs_cleanup()
to my tty git tree which can be
** Tags added: architecture-s39064 bugnameltc-188093 severity-high
targetmilestone-inin2004
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Title:
IBM-iobrick patches for Ubuntu
--- Comment From heinz-werner_se...@de.ibm.com 2020-09-04 08:39 EDT---
*** Bug 184194 has been marked as a duplicate of this bug. ***
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--- Comment From heinz-werner_se...@de.ibm.com 2020-09-04 03:06 EDT---
IBM Bugzilla status-> closed, Fix Released with all requested distros.
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--- Comment From heinz-werner_se...@de.ibm.com 2020-09-04 03:04 EDT---
IBM Bugzilla status->closed, Fix Released
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Title:
--- Comment From heinz-werner_se...@de.ibm.com 2020-09-04 02:35 EDT---
IBM Buzgilla status->closed, now released for all requested distros...
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--- Comment From heinz-werner_se...@de.ibm.com 2020-09-04 02:11 EDT---
IBM Bugzilla status-> closed, Fix Released with focal
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--- Comment From hegdevas...@in.ibm.com 2020-09-02 04:58 EDT---
(In reply to comment #4)
> Looks like the patch 90a9b102eddf "powerpc/pseries: Do not initiate shutdown
> when system is running on UPS" got upstream accepted with v5.9-rc2,
> but it's already integrated in groovy's kernel 5.8
--- Comment From tyr...@us.ibm.com 2020-09-01 19:12 EDT---
(In reply to comment #31)
> Moving to "Incomplete" while waiting for the test results from the test
> kernel referenced in comment #5.
The kernel was tested in two different staging environments and the
issue is no longer
--- Comment From s...@de.ibm.com 2020-09-01 12:36 EDT---
This is now fixed on flatpak master, see merged pull-request:
"Fix argument order of clone() for s390x in seccomp filter #3777"
https://github.com/flatpak/flatpak/pull/3777
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Public bug reported:
When a PCI device (including virtio-pci for which this is easiest to test)
is hot-plugged while Linux is still booting, it can be detected as
an entry in CLP List PCI Functions (basically equivalent to boot time probing
on other architectures) and with the hot-plug event.
In
Public bug reported:
---Problem Description---
Failure to install Ubuntu 20.04.1 as KVM guest on DASD
---uname output---
Linux version 5.4.0-42-generic (buildd@bos02-s390x-003) (gcc version 9.3.0
(Ubuntu 9.3.0-10ubuntu2)) #46-Ubuntu SMP Fri Jul 10 00:21:32 UTC 2020 (Ubuntu
--- Comment From niklas.schne...@ibm.com 2020-09-01 04:30 EDT---
Ok I've tested the proposed kernel and also looked at the sources in the focal
Kernel repository. Sadly it looks like we missed adding the following upstream
commit.
b76fee1bc56c31a9d2a49592810eba30cc06d61a s390/pci:
--- Comment From niklas.schne...@ibm.com 2020-09-01 04:18 EDT---
Thanks for your quick work, I can confirm that this works as designed on
the 5.4.0-46-generic kernel from proposed.
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--- Comment From heinz-werner_se...@de.ibm.com 2020-09-01 03:25 EDT---
und BPF ist derzeit nicht mehr dringend, da arbeiten wir jetzt upstream, und
werden zu einem sp?teren zeitpunt wiederkommen falls es ein target date gibt,
aber das schreib ich dir noch in den LP
Status update from
--- Comment From tmri...@de.ibm.com 2020-09-01 02:28 EDT---
As already explained in comment 22 above, this bz is already verified:
erified ok for focal:
root@t35lp46:~# uname -a
Linux t35lp46 5.4.0-44-generic #48 SMP Tue Aug 25 12:53:01 UTC 2020 s390x s390x
s390x GNU/Linux
--- Comment From kamale...@in.ibm.com 2020-08-27 02:48 EDT---
(In reply to comment #8)
> Starting to work on this SRU I figures out that this kernel config option is
> already enabled.
> I checked the config file that is created at kernel build time as well as
> the master-next trees of
--- Comment From tyr...@us.ibm.com 2020-08-26 21:26 EDT---
(In reply to comment #28)
> Is this issue associated with the Xenial GA (4.4) kernel or the Xenial HWE
> (4.15) kernel?
(In reply to comment #28)
> Is this issue associated with the Xenial GA (4.4) kernel or the Xenial HWE
>
--- Comment From heinz-werner_se...@de.ibm.com 2020-08-26 09:51 EDT---
IBM Bugzilla status-> closed -> Documented
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https://bugs.launchpad.net/bugs/1875826
--- Comment From heinz-werner_se...@de.ibm.com 2020-08-26 09:11 EDT---
@Canonical, any update available? Many thx
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https://bugs.launchpad.net/bugs/1886814
Title:
Default Comment by Bridge
** Attachment added: "Fix wrong output of lscpumf when device cpum_cf has
different type than 4"
https://bugs.launchpad.net/bugs/1893027/+attachment/5404698/+files/0001-cpumf-lscpumf.pl-displays-raw-event-number-incorrect.patch
** Changed in: ubuntu
Assignee:
--- Comment From heinz-werner_se...@de.ibm.com 2020-08-26 05:19 EDT---
Verified ok for focal:
root@t35lp46:~# uname -a
Linux t35lp46 5.4.0-44-generic #48 SMP Tue Aug 25 12:53:01 UTC 2020 s390x s390x
s390x GNU/Linux
root@t35lp46:~# ll /sys/devices/cpum_cf/events/| fgrep DFLT
-r--r--r-- 1
--- Comment From niklas.schne...@ibm.com 2020-08-26 04:59 EDT---
(In reply to comment #8)
> I made builds of patched focal (master-next) kernel packages available here
> for further testing:
> https://people.canonical.com/~fheimes/lp1891437+lp1892849/
I've tested this build as KVM host
--- Comment From niklas.schne...@ibm.com 2020-08-25 07:26 EDT---
Please ignore the Stacktrace and entire first part of the Bug Description.
We originally had this as one Bug together with what is now
LaunchPad 1891437 and this was erroneously mirrored.
The Bug is entirely described in my
--- Comment From niklas.schne...@ibm.com 2020-08-25 06:07 EDT---
Thanks for providing the build Frank, there is another
Launchpad bug mirror incoming for which the patches will
touch the same area (but should apply cleanly on top of the
fix for this issue) it's titled "zPCI attach/detach
Public bug reported:
Problem description:
When a NVMe drive is assigned/hotplugged to a Linux LPAR then
a bug is hit in lib/list_debug.c. And the device is not accessible, there is no
/dev/ file
and lspci does not report it also.
[ 1681.564462] list_add double add: new=eed0f808,
--- Comment From tyr...@us.ibm.com 2020-08-24 12:34 EDT---
(In reply to comment #24)
> It looks like the patch just got submitted to upstream (and landed in a
> staging tree); but we usually need to wait for it's upstream acceptance - at
> least to Torvalds tree or linux-next (to be sure
Public bug reported:
-- Problem Description --
drmgr command is failing while trying to open console for IBMi.
Log snap shot:
Please make sure you have specified a valid locale (check your NLSPATH and LANG
environment variables. Your application will use english as the default. 2
07/15/20
--- Comment From ursula.br...@de.ibm.com 2020-08-21 14:10 EDT---
My tests have been successful. Fix is validated.
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https://bugs.launchpad.net/bugs/1882088
Title:
--- Comment From ursula.br...@de.ibm.com 2020-08-21 12:42 EDT---
Yes, it helped. Thx! I am now running kernel 5.4.0-44-generic and started
verification.
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--- Comment From ursula.br...@de.ibm.com 2020-08-20 09:32 EDT---
I have installed an Ubuntu 20.4, and copied the deb-packages to
/root/tmp/fheimes.
But I have never installed additional kernel packages on Ubuntu. It failed like
this:
root@s8360032:~/tmp/fheimes# apt install
Default Comment by Bridge
** Attachment added: "qeth-udev.rule file"
https://bugs.launchpad.net/bugs/1892367/+attachment/5403136/+files/41-qeth-0.0.bdf0.rules
** Changed in: ubuntu
Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)
** Package changed: ubuntu => linux
Public bug reported:
Problem description:
Sometimes a PV guest fails to reboot from a disk.
# How to reproduce?
Try to reboot a PV guest multiple times.
Or using hades (bb/mhartmay/pv branch):
$ for i in $(seq 1 100); do nose2 -v --early-debug
tests.test_pv.PVChreiplTestCase; done
# Host
--- Comment From heinz-werner_se...@de.ibm.com 2020-08-18 06:26 EDT---
@Cascado:
IBM's response to your comment suggestion: wer:
1) the offering will be based on Ubuntu 20.04
2) it is okay for us to use clang-8
(actually the userspace code runs in a Ubuntu 18.04
container including the
--- Comment From ursula.br...@de.ibm.com 2020-08-18 05:13 EDT---
I can start the test tomorrow.
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https://bugs.launchpad.net/bugs/1882088
Title:
[UBUNTU 20.04] smc:
--- Comment From heinz-werner_se...@de.ibm.com 2020-08-14 07:26 EDT---
Sorry for my mistake. Its not requested for xenial, -> bionic is correct...
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--- Comment From heinz-werner_se...@de.ibm.com 2020-08-14 06:51 EDT---
@Canonical: what is the current expectation on solving this issue. This one it
timely critical for our upcoming offering. A comment from Canonicals side would
be appreciated.. Many thx in advance
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--- Comment (attachment only) From tmri...@de.ibm.com 2020-08-14 03:41
EDT---
** Attachment added: "Patch for Ubuntu 18.04 branch master-next"
https://bugs.launchpad.net/bugs/1891454/+attachment/5401424/+files/u18-0001-s390-cpum_cf-Add-new-extended-counters-for-IBM-z15.patch
--
--- Comment From heinz-werner_se...@de.ibm.com 2020-08-14 04:19 EDT---
This fix need to be applied to groovy, which is already documented within LP.
But focal and xenial, need also to be added.
The backports are available for both distros.
Please update your LP entry. Many thanks in
Default Comment by Bridge
** Attachment added: "s390/cpum_cf,perf: change DFLT_CCERROR counter name"
https://bugs.launchpad.net/bugs/1891454/+attachment/5401272/+files/0001-s390-cpum_cf-perf-change-DFLT_CCERROR-counter-name.patch
** Changed in: ubuntu
Assignee: (unassigned) => Skipper
Public bug reported:
When a NVMe drive is assigned/hotplugged to a Linux LPAR then
a bug is hit in lib/list_debug.c. And the device is not accessible, there is no
/dev/ file
and lspci does not report it also.
[ 1681.564462] list_add double add: new=eed0f808,
prev=eed0f808,
--- Comment From tmri...@de.ibm.com 2020-08-11 06:49 EDT---
I have installed this ubuntu version (adding focal-proposed to
/etc/apt/list.sources.d tree):
root@t35lp46:~# uname -a
Linux t35lp46 5.4.0-43-generic #47-Ubuntu SMP Sat Aug 8 06:29:47 UTC 2020 s390x
s390x s390x GNU/Linux
--- Comment From thorsten.di...@de.ibm.com 2020-08-10 12:16 EDT---
I just changed the tag 'verification-needed-focal' to 'verification-done-focal'
in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1887124
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--- Comment From thorsten.di...@de.ibm.com 2020-08-10 12:03 EDT---
root@m83lp31:~# uname -a
Linux m83lp31 5.4.0-43-generic #47-Ubuntu SMP Sat Aug 8 06:29:47 UTC 2020 s390x
s390x s390x GNU/Linux
root@m83lp31:~# cat /proc/cmdline
root=UUID=77f4a483-314f-4377-86cf-55d36e4d05a6
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