I just wanted to try the kernel that I've build yesterday (see comment #6) and
as a first step I wanted to recreate re-create the described error situation on
an up to date 20.04 system:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04 LTS
Release: 20.04
Codename: focal
$ uname -a
Linux zlin42 5.4.0-40-generic #44-Ubuntu SMP Mon Jun 22 23:57:33 UTC 2020 s390x
s390x s390x GNU/Linux
$ apt-cache policy linux-generic
linux-generic:
Installed: 5.4.0.40.43
Candidate: 5.4.0.40.43
Version table:
*** 5.4.0.40.43 500
500 http://ports.ubuntu.com/ubuntu-ports focal-updates/main s390x
Packages
500 http://ports.ubuntu.com/ubuntu-ports focal-security/main s390x
Packages
100 /var/lib/dpkg/status
5.4.0.26.32 500
500 http://ports.ubuntu.com/ubuntu-ports focal/main s390x Packages
$
But by surprise I didn't ran into any problems!
I was able to flawlessly make use of FBA devices in the following three
different way:
1) (re-)used a FBA device that was previously in use, without wiping out any
data
2) used a FBA device that I wiped out using wipefs
3) used a FBA device that I entirely wiped out (and zeroed) using dd
(see the attached doc for more details)
Looks like a fix for this problem came in with the kernels that were rolled out
in between 5.4.0-29-generic and 5.4.0-40-generic.
(Again I didn't installed the patched kernel, I just used the latest official
one.)
Message to the initial bug reporter:
Please can you retry on an up-to-date 20.04 system (or after having updated
your existing one, like for example with "sudo apt -y -q update && sudo apt -y
-q full-upgrade" plus reboot in case the kernel got update, what I assume will
happen)?
** Attachment added: "cmdline.txt"
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1879707/+attachment/5394964/+files/cmdline.txt
** Changed in: ubuntu-z-systems
Status: In Progress => Incomplete
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https://bugs.launchpad.net/bugs/1879707
Title:
[UBUNTU 20.04] mke2fs dasd(fba),Failing CCW,default ERP has run out of
retries and failed
Status in Ubuntu on IBM z Systems:
Incomplete
Status in linux package in Ubuntu:
New
Bug description:
mke2fs,dasd(fba) guest edevices FBA,default ERP has run out of retries and
failed,Failing CCW
---uname output---
xxxxxx - 5.4.0-29-generic #33-Ubuntu SMP Wed Apr 29 14:27:18 UTC 2020 s390x
s390x s390x GNU/Linux
Machine Type = IBM 3906
---Debugger---
A debugger is not configured
---Steps to Reproduce---
mke2fs to dasd(fba) devices
Stack trace output:
no
Oops output:
no
System Dump Info:
The system is not configured to capture a system dump.
-Post a private note with access information to the machine that the bug is
occuring on.
-Attach sysctl -a output output to the bug.
dasd(fba),Failing CCW,default ERP has run out of retries and failed between
the following syslog events,
mke2fs running, before mounting and starting IO to dasd(fba) devices
May 14 14:33:32 ilabg13 root: ILAB_IO_FROM_MSDI_START
May 14 14:48:34 ilabg13 root: ILAB_IO_FROM_MSDI_RUNNING
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