Here is a list of known issues and bugs with Debian on QNAP TS-21x/TS-22x:
- On QNAP devices with 1 GB of RAM (i.e. TS-221), the installer fails
because of a kernel issue. Messages in
BUG: Bad rss-counter stateand
Unhandled fault: external abort on linefetch. You have two options: 1) stay with Debian jessie, or 2) set the RAM size to 768 MB.
- On fanless QNAP systems (HS-210), fan errors are reported. There is a patch for this issue.