Public bug reported: 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. ** Affects: linux-firmware (Ubuntu) Importance: Undecided Status: New ** Attachment added: "dmesg of the crash" https://bugs.launchpad.net/bugs/1909836/+attachment/5448639/+files/clip-bug-wifi ** Description changed: 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. + 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 + 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 + 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 - iwlwifi-9260-th-b0-jf-b0-46.ucode So I tried manually downloading the driver and adding it there: - sudo mv iwlwifi-9260-th-b0-jf-b0-46.ucode /lib/firmware/ + 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. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1909836 Title: iwlwifi crashes when getting image from IPWebcam To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1909836/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
