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** 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 (Ubuntu)
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https://bugs.launchpad.net/bugs/1892367
Title:
[UBUNTU 20.04] udev rule change did not get applied
Status in linux package in Ubuntu:
New
Bug description:
During the ubuntu installation in tessia, we do chzdev for both dasd
and qeth devices, as below.
2020-08-20 09:54:45 | INFO | START subiquity/Early/run/command_1 : chzdev -e
dasd 385c
2020-08-20 09:54:45 | INFO | SUCCESS subiquity/Early/run/command_1 : chzdev
-e dasd 385c
2020-08-20 09:54:45 | INFO | START subiquity/Early/run/command_2 : chzdev -e
qeth 0.0.bdf0
2020-08-20 09:54:47 | INFO | SUCCESS subiquity/Early/run/command_2 : chzdev
-e qeth 0.0.bdf0
and we can see the below files in the /etc/udev/rules.d/
oot@m8360024:~# ls -l /etc/udev/rules.d/
total 76
-rw-r--r-- 1 root root 154 Aug 20 09:08 41-cio-ignore.rules
-rw-r--r-- 1 root root 430 Aug 20 09:08 41-dasd-eckd-0.0.385c.rules
-rw-r--r-- 1 root root 357 Aug 20 09:08 41-generic-ccw-0.0.0009.rules
-rw-r--r-- 1 root root 1049 Aug 20 09:08 41-qeth-0.0.bdf0.rules
-rw-r--r-- 1 root root 58549 Aug 20 09:10 70-snap.snapd.rules
Now, lsinitramfs shows files as below,
root@m8360024:~# lsinitramfs /boot/initrd.img-5.4.0-42-generic | grep 41
etc/udev/rules.d/41-cio-ignore-root.rules
etc/udev/rules.d/41-dasd-eckd-0.0.385c.rules
usr/lib/udev/rules.d/41-cio-ignore.rules
usr/lib/udev/rules.d/41-dasd-eckd-0.0.385c.rules
usr/lib/udev/rules.d/41-generic-ccw-0.0.0009.rules
usr/lib/udev/rules.d/41-qeth-0.0.bdf0.rules
Even though lsinitramfs shows the below files, they are overruled by
the filesystem files.
Next thing we did was to modify the 41-qeth-0.0.bdf0.rules and
modified the buffer_count to 128 (As in the attached file). In ideal
scenario, the value should we modified as mentioned in the bug. But,
in our case, if we are not doing a zipl or update-initramfs -u, the
value is not getting modified.
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