No response, so closing. Please open a new bug if the problems still
persists.
** Changed in: linux-firmware (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1909836
Title:
iwlwifi crashes when getting image from IPWebcam
Status in linux-firmware package in Ubuntu:
Invalid
Bug description:
I am getting "Microcode SW error detected. Restarting 0x82000000."
dmesg after making http/https request to a particular web server.
I have Lenovo Yoga 370, Ubuntu 16.04.7 LTS, after fresh apt-get update and
upgrade.
I normally (heavily) use wifi for all the possible things.
One single particular Android app which allows to use cell phone
cameras as webcams via http or https causes iwlwifi to crash. Fully
reproducible.
To reproduce:
1. Download to your android cell phone:
https://play.google.com/store/apps/details?id=com.pas.webcam&hl=en&gl=US
2. Connect both the computer and the cell phone to the same wifi.
3. Get the auto-focussed image from the cell phone by requesting:
http://192.168.0.103:8080/photoaf.jpg (replace the IP with the IP of your cell
phone)
4. (You *will* get the image correctly downloaded.)
5. Observe "No networks available notification", see dmesg (attached).
Following this tip:
https://forums.linuxmint.com/viewtopic.php?p=1641176&sid=a97b63d2196745139e281ff7a3b40dc2#p1641176
I saw that 16.04 only had 3 versions:
ls /lib/firmware/ | grep 9260
iwlwifi-9260-th-b0-jf-b0-33.ucode
iwlwifi-9260-th-b0-jf-b0-34.ucode
iwlwifi-9260-th-b0-jf-b0-38.ucode
So I tried manually downloading the driver and adding it there:
sudo mv iwlwifi-9260-th-b0-jf-b0-46.ucode /lib/firmware/
I do not know if it got activated at all.
In any case, the crash persists even after the restart.
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