| 2020-06-26 11:29:46 |
gabriwinter |
bug |
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added bug |
| 2020-06-26 11:30:07 |
gabriwinter |
attachment added |
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br.tar https://bugs.launchpad.net/ubuntu/+bug/1885271/+attachment/5387383/+files/br.tar |
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| 2020-06-26 11:36:42 |
gabriwinter |
tags |
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kernel-bug |
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| 2020-06-26 11:36:55 |
gabriwinter |
tags |
kernel-bug |
kernel-bug regression-update |
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| 2020-06-26 12:32:26 |
Ubuntu Foundations Team Bug Bot |
tags |
kernel-bug regression-update |
bot-comment kernel-bug regression-update |
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| 2020-06-26 12:39:19 |
gabriwinter |
affects |
ubuntu |
linux (Ubuntu) |
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| 2020-06-26 13:00:09 |
Ubuntu Kernel Bot |
linux (Ubuntu): status |
New |
Incomplete |
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| 2020-06-26 13:00:11 |
Ubuntu Kernel Bot |
tags |
bot-comment kernel-bug regression-update |
bionic bot-comment kernel-bug regression-update |
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| 2020-06-26 13:15:12 |
gabriwinter |
linux (Ubuntu): status |
Incomplete |
Confirmed |
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| 2020-06-26 15:44:35 |
gabriwinter |
description |
# Steps to reproduce
# Working case
uname -a
Linux ubuntu 4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 11:09:48 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
lsusb -d 04e2:1411 -v > xr-usb-serial-devices.txt
lsusb -t >> xr-usb-serial-devices.txt
# Unbind 2 xr-usb-serial devices
echo '3-14.1' | tee /sys/bus/usb/drivers/usb/unbind
echo '3-14.3' | tee /sys/bus/usb/drivers/usb/unbind
dmesg > dmesg.txt
# Non working case
uname -a
Linux ubuntu 4.15.0-99-generic #100-Ubuntu SMP Wed Apr 22 20:32:56 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
lsusb -d 04e2:1411 -v > xr-usb-serial-devices.txt
<lsusb hangs here>
dmesg > dmesg.txt
This regression is almost certainly caused by one of the 2020-03-11 commits:
https://kernel.ubuntu.com/git/ubuntu/ubuntu-bionic.git/log/ubuntu/xr-usb-serial?h=Ubuntu-4.15.0-99.100&id=5966ed54d467fa77e7dbd7355177a5a6d1db7004 |
# Steps to reproduce
# Working case
uname -a
Linux ubuntu 4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 11:09:48 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
lsusb -d 04e2:1411 -v > xr-usb-serial-devices.txt
lsusb -t >> xr-usb-serial-devices.txt
# Unbind 2 xr-usb-serial devices
echo '3-14.1' | tee /sys/bus/usb/drivers/usb/unbind
echo '3-14.3' | tee /sys/bus/usb/drivers/usb/unbind
dmesg > dmesg.txt
# Non working case
uname -a
Linux ubuntu 4.15.0-99-generic #100-Ubuntu SMP Wed Apr 22 20:32:56 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
lsusb -d 04e2:1411 -v > xr-usb-serial-devices.txt
<lsusb hangs here>
dmesg > dmesg.txt
This regression is almost certainly caused by one of the 2020-03-11 commits:
https://kernel.ubuntu.com/git/ubuntu/ubuntu-bionic.git/log/ubuntu/xr-usb-serial?h=Ubuntu-4.15.0-99.100&id=5966ed54d467fa77e7dbd7355177a5a6d1db7004
files attached in tar file. |
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| 2020-07-04 15:38:43 |
Kai-Heng Feng |
bug |
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added subscriber Jesse Sung |
| 2020-07-04 15:38:57 |
Kai-Heng Feng |
bug |
|
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added subscriber Shrirang Bagul |
| 2020-07-08 13:24:28 |
Jesse Sung |
linux (Ubuntu): assignee |
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Jesse Sung (wenchien) |
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| 2020-07-08 13:24:41 |
Jesse Sung |
nominated for series |
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Ubuntu Bionic |
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| 2020-07-08 13:24:41 |
Jesse Sung |
bug task added |
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linux (Ubuntu Bionic) |
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| 2020-07-08 13:24:46 |
Jesse Sung |
linux (Ubuntu Bionic): assignee |
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Jesse Sung (wenchien) |
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| 2020-07-08 13:24:51 |
Jesse Sung |
linux (Ubuntu Bionic): status |
New |
Confirmed |
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| 2020-07-15 09:07:55 |
Jesse Sung |
linux (Ubuntu Bionic): status |
Confirmed |
In Progress |
|
| 2020-07-16 07:20:28 |
Stefan Bader |
linux (Ubuntu Bionic): importance |
Undecided |
Medium |
|
| 2020-07-30 21:24:35 |
Kelsey Steele |
linux (Ubuntu Bionic): status |
In Progress |
Fix Committed |
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| 2020-08-10 18:52:34 |
Ubuntu Kernel Bot |
tags |
bionic bot-comment kernel-bug regression-update |
bionic bot-comment kernel-bug regression-update verification-needed-bionic |
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| 2020-08-10 22:33:22 |
gabriwinter |
tags |
bionic bot-comment kernel-bug regression-update verification-needed-bionic |
bionic bot-comment kernel-bug regression-update verification-done-bionic verification-needed-bionic |
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| 2020-08-11 07:09:32 |
gabriwinter |
tags |
bionic bot-comment kernel-bug regression-update verification-done-bionic verification-needed-bionic |
bionic bot-comment kernel-bug regression-update verification-done-bionic |
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| 2020-09-01 10:15:06 |
Launchpad Janitor |
linux (Ubuntu Bionic): status |
Fix Committed |
Fix Released |
|
| 2021-05-19 02:37:03 |
Po-Hsu Lin |
linux (Ubuntu): status |
Confirmed |
Invalid |
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