--- Comment From far...@us.ibm.com 2022-03-03 16:21 EDT---
A draft of the kvm-unit-test patches for these changes are now posted upstream:
https://lore.kernel.org/r/20220303210425.1693486-1-far...@linux.ibm.com/
There are a couple of additional cleanups in the series, but the key points
--- Comment (attachment only) From boris.m...@de.ibm.com 2022-03-03 05:32
EDT---
** Attachment added: "backported patches (combined, cap=211)"
https://bugs.launchpad.net/bugs/1962831/+attachment/5565243/+files/patches.tar.gz
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--- Comment From boris.m...@de.ibm.com 2022-03-03 05:34 EDT---
Here is the action performed to arrive at the specific patch, respectively:
01. backporte2c12909ae5f (selftests: kvm: add _vm_ioctl)
02. backporta46f8a63cde8 (selftests: kvm: Introduce the TEST_FAIL macro)
03.
Public bug reported:
Description:
KVM uses lazy storage key enablement as Linux does no longer make use of the
storage keys. When the guest enters keyed mode, then KVM will save/restore the
key during paging, provide change/reference tracking for guest and host and for
all interpreted
This was adressed in jammy by LP#1959735, hence updating the jammy entry
to Fix Released.
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Title:
[UBUNTU 20.04] Fix SIGP
Public bug reported:
Decription:
KVM: SIGP RESTART is reporting a CPU state 'stopped' after SIGP RESTART was
issued, while it should report a 'busy' condition until the CPU is really
started.
The patches to fix this have already been picked for jammy/master-next:
812de04661c4 "KVM: s390:
--- Comment From niklas.schne...@ibm.com 2022-02-28 09:03 EDT---
(In reply to comment #11)
> And for focal this commit is included (as 00501b41aaf7) in Ubuntu-5.4.0-100
> (and higher).
> It came in via upstream stable bug: https://bugs.launchpad.net/bugs/1956381
> And since focal-updates
--- Comment From wint...@de.ibm.com 2022-02-25 12:03 EDT---
I installed and tested:
# add-apt-repository ppa:fheimes/lp1959529
# apt install linux-image-unsigned-5.4.0-102-generic/focal-proposed
(The instructions in https://wiki.ubuntu.com/Testing/EnableProposed did
nor work for me)
--
--- Comment From cborn...@de.ibm.com 2022-02-25 07:32 EDT---
Capability number will be 211, see this merge
https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?h=next=4dfc4ec2b7f5a3a27d166ac42cf8a583fa2d3284
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index
--- Comment From janis.schoetterl-glau...@ibm.com 2022-02-24 07:29
EDT---
Am I looking at the wrong thing?
https://git.launchpad.net/~fheimes/+git/lp1933179/commit/?h=master-next=1e2aeba3bda1e4ab7e91487ac1df29f1e3767adc
Those lines are superfluous:
+/x86_64/amx_test
+/x86_64/cpuid_test
--- Comment From janis.schoetterl-glau...@ibm.com 2022-02-24 04:54
EDT---
You only need the s390 specific lines for the two conflicts, i.e.
+/s390x/tprot
and
+#define KVM_CAP_S390_MEM_OP_EXTENSION 210
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--- Comment From boris.m...@de.ibm.com 2022-02-23 04:02 EDT---
Hi @Frank: yes, fix needs to be applied to focal and higher, i.e. impish &
jammy as well. Would you prefer to have separate bugzilla / LP entries for
impish and jammy or handle all three through this item?
--
You received
Public bug reported:
Description: s390/pci: move pseudo-MMIO to prevent MIO overlap
Symptom: On some configurations of z15 LPARs having an ISM device
attached may cause other PCI devices like NVMes or RoCEs to
be unusable and fail to probe. An error message
--- Comment From cha...@us.ibm.com 2022-02-22 09:29 EDT---
(In reply to comment #32)
> Marking as "incomplete" while waiting for input from Power MMU experts.
Adding a couple of developers from MM team to review...
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Public bug reported:
Description: zlib: compressBound() returns an incorrect result on z15
Symptom: Passing the result of compressBound() to compress()
results in an error code.
Problem: compressBound() is not adjusted for DFLTCC.
Solution: Adjust compressBound()
--- Comment on attachment From tmri...@de.ibm.com 2022-02-15 07:48
EDT---
Reworked patch for ubuntu 20.04 branch master-next
** Attachment added: "s390/cpumf: Support for CPU Measurement Facility CSVN 7
for Ubuntu 20"
--- Comment on attachment From tmri...@de.ibm.com 2022-02-15 07:49
EDT---
This is the upstream patch which applies with 3 lines off message
** Attachment added: "s390/cpumf: Support for CPU Measurement Sampling Facility
LS bit"
--- Comment From tmri...@de.ibm.com 2022-02-15 07:46 EDT---
I have downloaded the master-next branch from ubuntu version 20. I used this
repository: Fetch URL:
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal
The patches needed to support the new machine are
--- Comment From boris.m...@de.ibm.com 2022-02-14 20:28 EDT---
The root-patch which has introduced the bug is from kernel 5.11.
Therefore, Ubuntu 21.10 and higher need to be fixed.
The fix is already available in stable now:
** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin2004
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Title:
Hipersocket page allocation failure on
Public bug reported:
Description: s390/cio: verify the driver availability for path_event call
Symptom: If no driver is attached to a device or the driver does not
provide the path_event function, an FCES path-event on this
device could end up in a
--- Comment From wint...@de.ibm.com 2022-02-11 09:02 EDT---
Thanks again to Krzysztof and Thadeu for the careful review of the backport.
I'm embarrassed to admit that my initial tests didn't show the problem;
possibly a build error on my side. I tried again today and KASAN showed the
--- Comment From ch...@us.ibm.com 2022-02-10 08:49 EDT---
IDAA team tested the new image with stress on the Hipersocket and did not
observe any problem. We need this fix to progress to focal-updates as quickly
as possible. Thank you for your rapid turnaround on this customer issue.
--
--- Comment From wint...@de.ibm.com 2022-02-09 09:45 EDT---
Did a quick test of HiperSockets and OSA with
add-apt-repository ppa:krzk/linux-testing
apt install linux-image-unsigned-5.4.0-100-generic/focal
Looks good to me.
I did not exercise any memory pressure though. So it makes sense
--- Comment From ch...@us.ibm.com 2022-02-08 17:25 EDT---
Acknowledging we (IBM SSC, IDAA) saw this and are working on verification.
Successfully pulled 5.4.0-100.113~test2 patches for packages included in SSC
(linux-cloud-tools-common, linux-libc-dev, linux-tools-common,
--- Comment From mihaj...@de.ibm.com 2022-02-08 07:17 EDT---
FWIW: Backporting the long kernel command line is not a pre-req for adding this
to QEMU. This change is required to support *guests* which have the necessary
kernel support(e.g. future Ubuntu 22.10 or upcoming HWE kernels).
--
Public bug reported:
Fix CPU-MF error on new IBM Z Hardware by adding support for CPU-MF
counter second version 7
Error Symptom: Daemon cpacfstatsd fails on start up of the system
with this error message
cpacfstatsd: Event DEA_FUNCTIONS for pmu cpum_cf
Public bug reported:
== Comment: #0 - D. Gary Chapman - 2022-01-26 12:43:25 ==
---Problem Description---
IBM IDAA customer exposes hypersocket page allocation failure on Ubuntu 20.04
based SSC
Contact Information = Gary Chapman (ch...@us.ibm.com)
---uname output---
5.4.0-73-generic
--- Comment From fre...@de.ibm.com 2022-01-24 04:38 EDT---
Verified this with an update from the 'proposed' repository:
uname -a shows:
Linux a35lp66 5.4.0-97-generic #110-Ubuntu SMP Thu Jan 13 18:22:14 UTC 2022
s390x
s390x s390x GNU/Linux
and I can see the new sysfs attributes
--- Comment From fre...@de.ibm.com 2022-01-14 05:21 EDT---
Thanks for this clarification.
For Ubuntu 21.10 I already did the verification (I think it was launchpad
1933805) in September last year.
So I'll wait until something for focal is available.
Thanks
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--- Comment From fre...@de.ibm.com 2022-01-14 03:50 EDT---
Sorry for this confusion about my last comment.
The installation issue is clearly not related to Cannonical and I apologize for
this.
However, I finally managed to have a Ubuntu 20.04 running on my system
with some tricks. Then I
--- Comment From fre...@de.ibm.com 2022-01-13 11:17 EDT---
unable to install a system with ubuntu 20.04 or whatever ... looks like jet
another 'improvement' in your installation system. Maybe we should start
selling teddy bears instead of claiming to be a company able to provide
--- Comment From fre...@de.ibm.com 2022-01-13 09:38 EDT---
I am about to set up a system and will try to verify asap.
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Title:
(builds are ongoing ...)
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Title:
Power guest secure boot with static keys: kernel portion
Status in The Ubuntu-power-systems
** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin20045
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Title:
Reassign I/O Path of ConnectX-5 Port 1
--- Comment on attachment From boris.m...@de.ibm.com 2021-12-06 10:51
EDT---
Comment: Re-attaching Collin's Patch (#3 of 4) as 'external' for sharing with
Canonical
** Attachment added: "0003-KVM-s390-remove-diag318-reset-code Applied
directly from upstream"
--- Comment on attachment From boris.m...@de.ibm.com 2021-12-06 10:53
EDT---
Comment: Re-attaching Collin's Patch (#4 of 4) as 'external' for sharing with
Canonical
** Attachment added: "0004-KVM-s390-add-debug-statement-for-diag-318-CPNC-data
Applied directly from upstream"
--- Comment on attachment From boris.m...@de.ibm.com 2021-12-06 10:49
EDT---
Comment: Re-attaching Collin's Patch (#2 of 4) as 'external' for sharing with
Canonical
** Attachment added: "0002-s390-kvm-diagnose-0x318-sync-and-reset backported
from commit
--- Comment on attachment From boris.m...@de.ibm.com 2021-12-06 10:42
EDT---
Re-attaching Collin's Patch as 'external' for sharing with Canonical
** Attachment added: "0001-s390-setup-diag-318-refactor-struct Applied
directly from upstream"
--- Comment From t...@uk.ibm.com 2021-12-06 09:43 EDT---
It was filed with Canonical because we are running with a Ubuntu 20 userland;
this is probably a mistake since it is clearly a kernel bug. How do I un-file a
bug ? May be better to just wait until they reject it.
Do you think
--- Comment From mihaj...@de.ibm.com 2021-12-06 06:33 EDT---
Thanks for the pointer. I am perfectly fine with option 1. It would still help,
if the documentation would call out that for less than 4G together with an
encrypted root filesystem (using the LUKS2 defaults) kdump will not
Public bug reported:
Hardware diagnose data (diag 318) of KVM guest kernel cannot be handled.
Fix needed to enhance problem determination of guest kernel under KVM
Solution provided by Collin:
All patches are provided to enable the DIAGNOSE 0x318 problem determination aid
for a QEMU guest.
Public bug reported:
Hardware diagnose data (diag 318) of KVM guest kernel cannot be handled.
Fix needed to enhance problem determination of guest kernel under KVM
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status:
--- Comment From mihaj...@de.ibm.com 2021-12-06 04:21 EDT---
Coming back to the default for 2-4G, which will not allow the decryption of the
root volume, see comments above. Will this be addressed via a warning message
during install/update or at least some documentation?
--
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** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin2004
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Title:
[UBUNTU 20.04] kernel: unable to read
Hi, no you didn't messed it up - the version number causes some confusion from
time to time.
If the first 4 digits are the same, you have the right kernel (in other words:
content-wise 5.4.0.92.9 is equal to 5.4.0-92.103 - the difference is just that
the first one if the source and the second
--- Comment From pa...@de.ibm.com 2021-12-03 08:37 EDT---
(In reply to comment #12)
> This bug is awaiting verification that the linux/5.4.0-92.103 kernel in
> -proposed solves the problem. Please test the kernel and update this bug
> with the results. If the problem is solved, change the
Default Comment by Bridge
** Attachment added: "Proposed Fix"
https://bugs.launchpad.net/bugs/1951470/+attachment/5541882/+files/webkit-IBMZ-fix.patch
** Changed in: ubuntu
Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)
** Package changed: ubuntu => linux
--- Comment From boris.m...@de.ibm.com 2021-11-18 06:36 EDT---
Patch is included in v5.4.146 upstream stable release-updates which was already
rolled out for focal. Therefore closing the bug.
IBM status update: CLOSED
** Tags removed: targetmilestone-inin---
** Tags added:
Public bug reported:
Description: kvm: floating interrupts may get stuck
Symptom: Most prominently guest stuck in IPL.
Problem: When trying to pick an idle cpu to process the
interrupts we can end up messing up, and picking,
for example a stopped vcpu,
I can repro this with the latest Focal kernel on:
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Title:
IPv6 TCP in reuseport_bpf_cpu from ubuntu_kernel_selftests/net crash
P8
In other words: having /focal-proposed enabled, and installing linux-
generic 5.4.0.91.95 will install the kernel that needs the verification.
--- Comment From niklas.schne...@ibm.com 2021-11-10 12:30 EDT---
Ah ok didn't know that, thanks for the explanation.
I tried the test scenario
--- Comment From niklas.schne...@ibm.com 2021-11-10 03:24 EDT---
Somehow this hasn't made it to focal-proposed yet as far as I can tell. With
proposed enabled the version of linux-generic I see is still:
linux-generic/focal-proposed,now 5.4.0.91.95 s390x [installed]
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** Tags removed: bugnameltc-194783 severity-medium
** Tags added: bugnameltc-192677 severity-high
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Title:
IPv6 TCP in
--- Comment From steffen.ei...@ibm.com 2021-11-08 06:34 EDT---
[Impact]
* unable to read partitions on virtio-block dasd (Regression)
* the problem is that verify is called before virtio_finalize_features() , so a
transitional s390 virtio device still serves native endian
(i.e. big
Public bug reported:
Description: kernel: unable to read partitions on virtio-block dasd (kvm)
Symptom: unable to read partitions on virtio-block dasd (kvm)
Problem: verify is called before virtio_finalize_features() , so a
transitional s390 virtio device still serves
--- Comment From stefan.ra...@de.ibm.com 2021-11-03 11:52 EDT---
Hi - did you add your comment to the wrong bugzilla..?! I can't quite make the
connection here!
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--- Comment (attachment only) From niklas.schne...@ibm.com 2021-10-29 06:03
EDT---
** Attachment added: "Focal: 0002-s390-pci-fix-use-after-free-of-zpci_dev.patch"
https://bugs.launchpad.net/bugs/1943464/+attachment/5536977/+files/0002-s390-pci-fix-use-after-free-of-zpci_dev.patch
--- Comment (attachment only) From niklas.schne...@ibm.com 2021-10-29 06:03
EDT---
** Attachment added: "Focal: 0003-s390-pci-fix-zpci_zdev_put-on-reserve.patch"
https://bugs.launchpad.net/bugs/1943464/+attachment/5536978/+files/0003-s390-pci-fix-zpci_zdev_put-on-reserve.patch
--
--- Comment (attachment only) From niklas.schne...@ibm.com 2021-10-29 06:02
EDT---
** Attachment added: "Focal:
0001-s390-pci-fix-leak-of-PCI-device-structure.patch"
--- Comment From niklas.schne...@ibm.com 2021-10-29 06:01 EDT---
Ok, so for focal master-next we didn't yet have the earlier commits
2a671f77ee49 ("s390/pci: fix use after free of zpci_dev")
0b13525c20fe ("s390/pci: fix leak of PCI device structure")
so I had to backport those in
--- Comment From niklas.schne...@ibm.com 2021-10-28 09:16 EDT---
(In reply to comment #11)
> Thanks for the update, Niklas.
> Ok, we need to address all this for all Ubuntu releases that are in service,
> up to the oldest that needs to be patched - and these are in this case
> impish,
--- Comment From niklas.schne...@ibm.com 2021-10-27 04:49 EDT---
There a new patch for this issue. The previous fixes still had an issue around
the handling of multiple events for a single reserve state transition of the
device.
The fix is the following upstream commit:
--- Comment From boris.m...@de.ibm.com 2021-10-25 11:37 EDT---
Closing the bug
IBM BZ status change: REJECTED (UNREPRODUCIBLE) -> CLOSED
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--- Comment From boris.m...@de.ibm.com 2021-10-25 05:54 EDT---
Fix landed in impish (U21.10), hence closing the bug.
IBM BZ status change to:->CLOSED
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--- Comment From boris.m...@de.ibm.com 2021-10-25 05:51 EDT---
Fix has landed in impish (U21.10), hence closing the bug.
IBM BZ status change:->CLOSED
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--- Comment From boris.m...@de.ibm.com 2021-10-25 05:39 EDT---
Fix landed in impish, hence closing the bug.
IBM BZ status change:->CLOSED
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--- Comment From boris.m...@de.ibm.com 2021-10-22 14:34 EDT---
Problem doesn't occur on the latest supported Ubuntu level, hence closing the
bug.
BZ status change:->REJECTED / UNREPRODUCIBLE
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--- Comment From aleksandra.pa...@de.ibm.com 2021-10-22 06:55 EDT---
I have talked with our team and we have not seen the problem on the last
supported Ubuntu level yet. So you, from our perspective, can cancel the Bug.
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--- Comment From kgr...@de.ibm.com 2021-10-20 06:08 EDT---
Hi Frank,
thanks for the summary! Closing this bug now...
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Title:
--- Comment From aleksandra.pa...@de.ibm.com 2021-09-16 04:22 EDT---
Hi, we have hit the same problem:
vmcore/dvtc2b-2.gpfs.net_202106240332/dmesg.202106240332:
...
[645967.289658] Unable to handle kernel pointer dereference in virtual kernel
address space
[645967.289665] Failing
--- Comment From kgr...@de.ibm.com 2021-10-19 09:40 EDT---
Is there anything else we can do for this IUCV problem? If not then I would
like to close the bug. Thank you!
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--- Comment From naynj...@ibm.com 2021-10-14 11:12 EDT---
(In reply to comment #40)
> Hi Nayna,
>
> I agree that Reviewed-by or Tested-by are in general helpful, but these tags
> follow strict rules in Linux kernel (see: "Reviewer's statement of
> oversight" in kernel documentation). I
--- Comment From naynj...@ibm.com 2021-10-13 16:43 EDT---
Thanks !!
I guess a Reviewed-by or Tested-by might be helpful.
Thanks & Regards,
- Nayna
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** Tags removed: bugnameltc-192677 severity-high
** Tags added: bugnameltc-194783 severity-medium
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Title:
IPv6 TCP in
Default Comment by Bridge
** Attachment added: "sosreport-ilzlnx3-194306-2021-09-02-gudyizi.tar"
https://bugs.launchpad.net/bugs/1946463/+attachment/5531515/+files/sosreport-ilzlnx3-194306-2021-09-02-gudyizi.tar.xz
** Changed in: ubuntu
Assignee: (unassigned) => Skipper Bug Screeners
--- Comment From boris.m...@de.ibm.com 2021-09-17 05:13 EDT---
Fix landed in impish / 21.10, hence closing the bug.
Changing IBM BZ status: ->CLOSED
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--- Comment From boris.m...@de.ibm.com 2021-09-17 05:18 EDT---
Fix landed in impish / U21.10, hence closing the bug.
Changing IBM BZ status:->CLOSED
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--- Comment From boris.m...@de.ibm.com 2021-09-17 05:08 EDT---
Fix verified. Landed in impish / 21.10, hence closing the bug.
IBM BZ status:->CLOSED
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--- Comment From boris.m...@de.ibm.com 2021-09-17 04:59 EDT---
Fix verified and landed in impish / U21.10, hence closing the bug.
IBM BZ status: ->CLOSED
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--- Comment From fre...@de.ibm.com 2021-09-16 03:52 EDT---
downloaded and installed the kernel packages. Here is the uname output:
uname -a
Linux t8314009.lnxne.boe 5.13.0-14-generic #14~lp1933496-Ubuntu SMP Mon Aug 16
10:53:26 UTC 2021 s390x s390x s390x GNU/Linux
Verified with some
--- Comment From fre...@de.ibm.com 2021-09-15 11:54 EDT---
Ok, with the help of Christian I finally could upgrade a system to Ubuntu 21.10.
Then I downloaded the dep files from franks build and installed them. Here is
the uname output:
root@t8314009:~# uname -a
Linux t8314009.lnxne.boe
--- Comment From fre...@de.ibm.com 2021-09-14 08:09 EDT---
(In reply to comment #9)
> This bug is awaiting verification that the kernel in -proposed solves the
> problem. Please test the kernel and update this bug with the results. If the
> problem is solved, change the tag
--- Comment From fre...@de.ibm.com 2021-09-14 08:11 EDT---
Nice try ... but I have nothing to verify. I'd at least need a git to clone
from and build my own kernel or a kernel package or whatever to verify this.
Btw. I also do not have any 21.10 ubuntu but I think a 21.04 would work also.
Public bug reported:
After reassign RoCE CX5 Mojawe Card Pchid to another LPAR dmesg show
under Ubuntu the following Error message
Ubuntu 20.04.01 with updates
oot@t35lp02:~# uname -a
Linux t35lp02.lnxne.boe 5.4.0-80-generic #90-Ubuntu SMP Fri Jul 9 17:41:33 UTC
2021 s390x s390x s390x
--- Comment From naynj...@ibm.com 2021-09-10 13:31 EDT---
I have posted the patch today -
https://lore.kernel.org/linux-integrity/20210910172515.8430-1-na...@linux.ibm.com/T/#u
.
It would be very helpful if someone from Canonical can test it and
confirm.
Thanks & Regards,
- Nayna
--
--- Comment From fre...@de.ibm.com 2021-09-08 06:10 EDT---
I cloned the kernel as indicated with comment #18 and did
- check out the only branch master-next
- a code verification for the subdir drivers/s390/crypto
I compared this with an upstream kernel and checked that all the patches
are
--- Comment From boris.m...@de.ibm.com 2021-09-07 11:34 EDT---
Fix released, landed in impish / 21.10, hence closing the bug.
IBM BZ status:->CLOSED
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Public bug reported:
Fixing zKVM: Host Key Document Verification - SRU to U20.04LTS
Description:
Fix of genprotimg allowing the tool to verify the validity of IBM Secure
Execution host key documents.
Without that, customers must verify the host key document by themselves,which
is error prone
--- Comment From boris.m...@de.ibm.com 2021-08-26 13:23 EDT---
Problem could not be reproduced by Canonical. Further detailed information
requested by Canonical was not provided to them since May.
In the meantime, the new point release Ubuntu Server LTS 20.04.3 is available.
This means
--- Comment From fre...@de.ibm.com 2021-08-26 06:11 EDT---
Ok, I double checked the list and none of the patches needs any modifications.
You can directly pick from upstream. This is the sequence:
c4f762ff6b77 s390/zcrypt: Support for CCA protected key block version 2
fa226f1d81e2 s390:
--- Comment From fre...@de.ibm.com 2021-08-24 11:41 EDT---
hm, ok - thats a lot of effort, but I'll do it ...
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https://bugs.launchpad.net/bugs/1939618
Title:
EP11
--- Comment From fran...@de.ibm.com 2021-08-23 05:56 EDT---
Disregard what I said, I forgot that stfle 158 is in fact a prereq for the uv
sysfs interface...
After moving the guest to secure mode the files showed up and had the right
contents.
The files for a host also have the correct
--- Comment From fran...@de.ibm.com 2021-08-20 11:02 EDT---
Seems like I didn't state it obviously enough. I already tried 5.4.0-83-generic
and since that wasn't working I then installed the -81 from the link but it
also doesn't work.
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--- Comment (attachment only) From fran...@de.ibm.com 2021-08-20 10:13
EDT---
** Attachment added: "changelog"
https://bugs.launchpad.net/bugs/1933173/+attachment/5519406/+files/changelog
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--- Comment From fran...@de.ibm.com 2021-08-20 10:13 EDT---
janosch@u2004:~$ uname -a
Linux u2004 5.4.0-81-generic #91~lp1933173-Ubuntu SMP Wed Aug 4 09:35:44 UTC
2021 s390x s390x s390x GNU/Linux
janosch@u2004:~$ apt-cache policy linux-generic
linux-generic:
Installed: 5.4.0.83.87
--- Comment From fran...@de.ibm.com 2021-08-20 08:53 EDT---
Verification failed.
I installed a Ubuntu 20.04 guest and enabled focal-proposed which bumped
up my kernel to 5.4.0-83-generic.
There's no "uv" directory in /sys/firmware/ on that kernel version.
I also tried the linked
--- Comment From fran...@de.ibm.com 2021-08-17 11:34 EDT---
Enabled proposed on a 21.04 host and updated the kernel to "5.11.0-33-generic
#35-Ubuntu"
If PV is disabled both prot_virt_* files show 0.
If PV is enabled prot_virt_host shows 1 and prot_virt_guest shows 0.
If queried on a
--- Comment From fre...@de.ibm.com 2021-08-13 10:04 EDT---
The gist of the 'cards going offline' patches are:
27c4f6738bdc535e42dfc1295dadc78ab7582939 27c4f6738bdc s390/zcrypt: Introduce
Failure Injection feature
3730f5300b450bc89306c3ab79c254e6039d9197 3730f5300b45 s390/zcrypt: move
--- Comment From boris.m...@de.ibm.com 2021-08-11 15:55 EDT---
Additional background information:
'EP11 cards going offline' bug needs to be fixed in U20.04LTS via backport.
The problem has been described in RTC line item SEC1814 which was fixed &
released
whith Ubuntu 21.04.
-> see
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