Public bug reported: Issue with esp8266 esptool communications.
This is a bug known at kernel.org "Bug 214131 - ch341 communication problem" https://bugzilla.kernel.org/show_bug.cgi?id=214131 It has a resolution, however it appears this has not been pushed out to Ubuntu yet so it is affecting my system. The issue causes esptool not to be able to communicate with esp8266/esp32 USB chips. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-88-generic 5.4.0-88.99 ProcVersionSignature: Ubuntu 5.4.0-88.99-generic 5.4.140 Uname: Linux 5.4.0-88-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.20 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: browna 3672 F.... pulseaudio /dev/snd/controlC0: browna 3672 F.... pulseaudio CasperMD5CheckResult: skip Date: Tue Oct 12 22:33:36 2021 HibernationDevice: # RESUME=UUID=5ec6ef50-65f9-40c2-87ee-3a7a9cd01da7 InstallationDate: Installed on 2015-05-07 (2350 days ago) InstallationMedia: Xubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) MachineType: Acer Aspire VN7-571 ProcEnviron: LANGUAGE=en_GB:en TERM=xterm-256color PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-88-generic root=UUID=14353e0d-b4a9-4bfa-b347-cc7a99bdc8bd ro quiet splash i8042.nopnp vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.4.0-88-generic N/A linux-backports-modules-5.4.0-88-generic N/A linux-firmware 1.187.17 SourcePackage: linux StagingDrivers: ashmem_linux UpgradeStatus: Upgraded to focal on 2020-11-16 (330 days ago) dmi.bios.date: 09/12/2014 dmi.bios.vendor: Insyde Corp. dmi.bios.version: V1.08 dmi.board.asset.tag: No Asset Tag dmi.board.name: Aspire VN7-571 dmi.board.vendor: Acer dmi.board.version: V1.08 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Chassis Manufacturer dmi.chassis.version: V1.08 dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.08:bd09/12/2014:svnAcer:pnAspireVN7-571:pvrV1.08:rvnAcer:rnAspireVN7-571:rvrV1.08:cvnChassisManufacturer:ct10:cvrV1.08: dmi.product.family: Sharkbay System dmi.product.name: Aspire VN7-571 dmi.product.sku: Aspire VN7-571_091B_1.08 dmi.product.version: V1.08 dmi.sys.vendor: Acer ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal staging -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1946796 Title: ch341 communication problem from kernel.org To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1946796/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
