[Expired for usb-modeswitch (Ubuntu) because there has been no activity
for 60 days.]
** Changed in: usb-modeswitch (Ubuntu)
Status: Incomplete => Expired
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** Tags removed: regression-proposed
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https://bugs.launchpad.net/bugs/1903331
Title:
usb-modeswitch 2.6.1-1ubuntu2 is very buggy on Ubuntu 20.10
Status in
Getting: 'bash: /sys/bus/usb/devices/1-3/power/control: Permission
denied', as output. Checked the control settings and it's already on by
default, I think.
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Does
echo on > /sys/bus/usb/devices/1-3/power/control
make any difference?
It will disable auto suspend for the port, power will always be on.
1-3 is the hub and port you had the dongle connected to
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On 2020-11-07 13:42, Lars Melin wrote:
> Installing another version of usb-modeswitch will not solve the
> problem because usb-modeswitch is not the problem.
Right, that was my impression from previous comments above, and now the
bug reporter has confirmed it.
On 2020-11-07 13:57, Abnilson
Yeah, it's true. I tried to install usb-modeswitch from focal universe,
nothing changed... I don't know what to do any more...
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@Gunnar Hjalmarsson:
Installing another version of usb-modeswitch will not solve the problem because
usb-modeswitch is not the problem.
usb-modeswitch does what it should do and that is switch the dongle from
19d2:1595 into 19d2:1592 and then leave the stage. Exit.
usb-modeswitch will do the
@Abnilson: Maybe you as an experiment could download the focal version
of usb-modeswitch and install it manually.
https://packages.ubuntu.com/focal/amd64/usb-modeswitch/download
Does that make a difference for you on Ubuntu 20.10?
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I don't doubt that it was working in earlier versions.
The point is that the cause of the problem is somewhere else, probably in the
USB driver.
It's not a usb_modeswitch problem.
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But it was working well in earlier Ubuntu versions and others Linux
Distros... That was my first worst UX with Ubuntu 20.10 since I started
to use it few weeks ago.
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Your log shows many disconnects and reconnects, as Lars has noticed.
If you have not unplugged your modem manually, then there is a problem
with the USB connection. Note that it may also be driver-related, so
does not happen on Windows.
In any case, usb_modeswitch is not the problem. The mode
If I try to connect before that, the connection is automatically
interrupted somehow.
** Attachment added: "True network device ready mode notification"
I'm using my Mobile Broadband device for 2 years, I came from Ubuntu
20.04 and those unusual behaviours weren't happening there. The time
range of 15-25 mins is the time the device is truly ready and even
appears on as USB mass on any device management tool (I see it from
gnome dock). And I don't
Ah, that makes sense. So these are not manual disconnects then.
Why would the first run of usb_modeswitch (during boot) take so long?
Just system load perhaps?
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The around 50 seconds between each sequence matches very well the time it takes
for a Mobile Broadband device to become ready and start communicating with the
tower.
The overcurrent draw occurs when it at that time turns on its transmitter.
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I can't see any usb-modeswitch problem but your ZTE dongle does
repeatedly fall off the usb bus and moment later arriving again with its
initial id 19d2:1595 which usb_modeswitch immediately switches to
19d2:1592. This sequence is repeated through the whole log session:
09:49:38 19d2:1595
I have trouble pinpointing the actual problem. Did you want to say
"15-25 seconds" instead of "minutes"?
The only unusual behaviour I see in your log is that the very first run
of usb_modeswitch takes roughly 40 seconds. Afterwards, everything seems
to be fine, modem and storage.
I suppose the
Well I think the situation is kinda little new because in default
package my USB drive was never recognized as USB mass. Now it may take
it's time (15-25 mins) but in final it's recognized as USB mass.
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** Attachment added: "'journalctl -b 0' log"
https://bugs.launchpad.net/ubuntu/+source/usb-modeswitch/+bug/1903331/+attachment/5432096/+files/on-HP-250-G6-Notebook-PC%20kernel%3A%20microcode%3A%20microcode%20updated%20early%20to%20revision%200x411%2C%20date%20%3D%202019-04-23
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is the situation new to 2.6.1-1ubuntu2 or did you have it in
2.6.1-1ubuntu1? (if so the tag regression-proposed sounds wrong)
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Could you add the 'journalctl -b 0' log from the system after getting
the failure?
** Changed in: usb-modeswitch (Ubuntu)
Importance: Undecided => Low
** Changed in: usb-modeswitch (Ubuntu)
Status: New => Incomplete
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I will right away.
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https://bugs.launchpad.net/bugs/1903331
Title:
usb-modeswitch 2.6.1-1ubuntu2 is very buggy on Ubuntu 20.10
Status in usb-modeswitch package
apport information
** Description changed:
Hi,
I recently allowed groovy-proposed package install of usb-modeswitch
2.6.1-1ubuntu2, because the default one which came with the system was useless.
* What you expected to happen:
My USB drive should be detected as mobile broadband
Thanks for your report!
Since you were not able to file this bug via the "ubuntu-bug" command,
can you please provide some additional standard info by running this
command:
apport-collect 1903331
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