Public bug reported:
Ubuntu 20.04.3 LTS
Kernel module ch341 in Ubuntu kernels 5.4.0-88-generic and 5.4.0-89-generic
cannot program any esp8266 modules like Wemos D1 mini which contain ch340 chip
uart controller. In kernel 5.4.0-86-generic everything is working good.
Communication over serial connection is working in both cases only programming
using esptool is broken, kernel module do not react properly to response fom
ch340 chip I suppose
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-89-generic 5.4.0-89.100
ProcVersionSignature: Ubuntu 5.4.0-89.100-generic 5.4.143
Uname: Linux 5.4.0-89-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: boguslaw 1801 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Tue Oct 19 21:14:32 2021
HibernationDevice: RESUME=UUID=924612b1-306e-46c9-bd1f-7324041efb4a
MachineType: Dell Inc. Latitude E6400
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-89-generic
root=UUID=e7494ee9-8c5d-4133-bc4b-57986641b724 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-89-generic N/A
linux-backports-modules-5.4.0-89-generic N/A
linux-firmware 1.187.19
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/04/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A34
dmi.board.name: 0RX493
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA34:bd06/04/2013:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn0RX493:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug focal
** Description changed:
Ubuntu 20.04.3 LTS
-
- Kernel module ch341 in Ubuntu kernels 5.4.0-88-generic i 5.4.0-89-generic
cannot program any esp8266 chips with ch340 chip uart controller. In kernel
5.4.0-86-generic everything is working good
+ Kernel module ch341 in Ubuntu kernels 5.4.0-88-generic and 5.4.0-89-generic
cannot program any esp8266 modules like Wemos D1 mini which contain ch340 chip
uart controller. In kernel 5.4.0-86-generic everything is working good.
+ Communication over serial connection is working in both cases only
programming using esptool is broken, kernel module do not react properly to
response fom ch340 chip I suppose
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-89-generic 5.4.0-89.100
ProcVersionSignature: Ubuntu 5.4.0-89.100-generic 5.4.143
Uname: Linux 5.4.0-89-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC0: boguslaw 1801 F.... pulseaudio
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: boguslaw 1801 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Tue Oct 19 21:14:32 2021
HibernationDevice: RESUME=UUID=924612b1-306e-46c9-bd1f-7324041efb4a
MachineType: Dell Inc. Latitude E6400
PccardctlIdent:
- Socket 0:
- no product info available
+ Socket 0:
+ no product info available
PccardctlStatus:
- Socket 0:
- no card
+ Socket 0:
+ no card
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-89-generic
root=UUID=e7494ee9-8c5d-4133-bc4b-57986641b724 ro quiet splash vt.handoff=7
RelatedPackageVersions:
- linux-restricted-modules-5.4.0-89-generic N/A
- linux-backports-modules-5.4.0-89-generic N/A
- linux-firmware 1.187.19
+ linux-restricted-modules-5.4.0-89-generic N/A
+ linux-backports-modules-5.4.0-89-generic N/A
+ linux-firmware 1.187.19
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/04/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A34
dmi.board.name: 0RX493
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA34:bd06/04/2013:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn0RX493:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.
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https://bugs.launchpad.net/bugs/1947780
Title:
Kernel module ch341 bug
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