GetUserDevices spams warnings in log

[matrixbot]

This issue was originally created by @milandamen at https://github.com/matrix-org/dendrite/issues/2256.

Background information

• Dendrite version or git SHA: 0.6.5+86d4eef9
• Monolith or Polylith?: Monolith
• SQLite3 or Postgres?: Postgres (fresh database)
• Running in Docker?: No
• go version: go version go1.17.8 linux/arm
• Client used (if applicable): Element Desktop + Element for Android
• Running on a raspberry pi 4b (armv7l which is 32-bit) and CPU usage and RAM usage is low. Attached SSD for dendrite and postgresql.

Description

• What is the problem: The dendrite logs (or in this case stdout) is spammed with warnings; see attached log. Messages received via federation also appear to take a long time (30min+) but I don't know if that is related. Sending messages via federation is instant however.
• Who is affected: Me as a homeserver admin and client.
• How is this bug manifesting: Stdout is spammed with warning log entries.
• When did this first appear: I installed Dendrite yesterday with a fresh PostgreSQL database and joined #dendrite:matrix.org and #dendrite-alerts:matrix.org and #element-web-announcements:matrix.org and made a new federated room with a test user on matrix.org.

Steps to reproduce

• Set up a new dendrite homeserver with a fresh postgresql database.
• Join the rooms listed above.
• Check the stdout or logging of the server.

A short snippet of the logs:

WARN[2022-03-06T14:04:13.127302387Z] GetUserDevices returned unknown error type    context=missing error="json: cannot unmarshal number 3080435255 into Go struct field RespUserDevices.stream_id of type int" server_name=matrix.org user_id="@c67354883454:matrix.org"
WARN[2022-03-06T14:04:13.258690254Z] GetUserDevices returned unknown error type    context=missing error="json: cannot unmarshal number 3080435355 into Go struct field RespUserDevices.stream_id of type int" server_name=matrix.org user_id="@user186:matrix.org"
WARN[2022-03-06T14:04:13.876876492Z] GetUserDevices returned unknown error type    context=missing error="json: cannot unmarshal number 3080435433 into Go struct field RespUserDevices.stream_id of type int" server_name=matrix.org user_id="@agorise:matrix.org"
ERRO[2022-03-06T14:04:13.877204305Z] failed to query device keys for some users    context=missing failed=141 server_name=matrix.org total=141 wait=1h0m0s
INFO[2022-03-06T14:04:13.879540771Z] DeviceListUpdater.Update                      context=missing deleted=false device_id=HJRKCRDVVL display_name="app.element.io (Firefox, Linux)" prev_ids="[]" prev_ids_exist=false stream_id=2004015551 user_id="@kevin_m02:matrix.org"
WARN[2022-03-06T14:04:14.004825752Z] GetUserDevices returned unknown error type    context=missing error="json: cannot unmarshal number 3080435434 into Go struct field RespUserDevices.stream_id of type int" server_name=matrix.org user_id="@rwiser:matrix.org"
WARN[2022-03-06T14:04:14.116912858Z] GetUserDevices returned unknown error type    context=missing error="json: cannot unmarshal number 3080435434 into Go struct field RespUserDevices.stream_id of type int" server_name=matrix.org user_id="@astrostride:matrix.org"
WARN[2022-03-06T14:04:14.219675396Z] GetUserDevices returned unknown error type    context=missing error="json: cannot unmarshal number 3080435434 into Go struct field RespUserDevices.stream_id of type int" server_name=matrix.org user_id="@abbenm:matrix.org"
WARN[2022-03-06T14:04:14.844397053Z] GetUserDevices returned unknown error type    context=missing error="json: cannot unmarshal number 3080435434 into Go struct field RespUserDevices.stream_id of type int" server_name=matrix.org user_id="@orthordir:matrix.org"
WARN[2022-03-06T14:04:15.000575977Z] GetUserDevices returned unknown error type    context=missing error="json: cannot unmarshal number 3080435435 into Go struct field RespUserDevices.stream_id of type int" server_name=matrix.org user_id="@tamwile:matrix.org"
WARN[2022-03-06T14:04:15.103539921Z] GetUserDevices returned unknown error type    context=missing error="json: cannot unmarshal number 3080435437 into Go struct field RespUserDevices.stream_id of type int" server_name=matrix.org user_id="@xanos:matrix.org"

[matrixbot]

This comment was originally posted by @milandamen at https://github.com/matrix-org/dendrite/issues/2256#issuecomment-1063189726.

Worked around this problem by installing the new 64 bit version of raspberry pi os. Thank you anyway for the fix.