Public bug reported:

The LicheeRV Dock is not usable with the
http://cdimage.ubuntu.com/ubuntu-server/daily-
preinstalled/20250324.1/plucky-preinstalled-server-
riscv64+licheerv.img.xz image:

The UART console became non-reactive while installing a package and
processes were hanging.

Preparing to unpack .../wtmpdb_0.13.0-6_riscv64.deb ...
Unpacking wtmpdb (0.13.0-6) ...
[  605.154028] INFO: task kworker/0:0:9 blocked for more than 120 seconds.
[  605.160758]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  605.166387] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  605.174709] INFO: task kworker/0:3H:220 blocked for more than 120 seconds.
[  605.181700]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  605.187325] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  605.195825] INFO: task dpkg:1174 blocked for more than 120 seconds.
[  605.202212]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  605.207786] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  711.016718] systemd[1]: systemd-timesyncd.service: Watchdog timeout (limit 
3min)!
[  725.983995] INFO: task kworker/0:0:9 blocked for more than 241 seconds.
[  725.990772]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  725.996436] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  726.004735] INFO: task kworker/u4:0:12 blocked for more than 120 seconds.
[  726.011647]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  726.017246] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  726.025922] INFO: task kworker/0:1H:44 blocked for more than 120 seconds.
[  726.032830]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  726.038414] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  726.046734] INFO: task kworker/u4:3:53 blocked for more than 120 seconds.
[  726.053642]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  726.059226] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  726.068075] INFO: task kworker/0:3H:220 blocked for more than 241 seconds.
[  726.075064]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  726.080649] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  726.092150] INFO: task jbd2/mmcblk0p1-:223 blocked for more than 120 seconds.
[  726.099420]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  726.105047] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  726.113342] INFO: task systemd-journal:299 blocked for more than 120 seconds.
[  726.120595]       Not tainted 6.14.0-9-generic #9.1-Ubuntu
[  726.126180] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.

** Affects: linux-riscv (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2104291

Title:
  kworker/0:3H:220 blocked for more than 241 seconds.

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