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Editorial Team
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Asked: 2026-06-13T01:42:25+00:00

I have a DBus server which exposes a method that requires a huge time

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I have a DBus server which exposes a method that requires a huge time to complete (about 3 minutes).
The client performs a synchronous call to this method.

The problem is, after exactly 25 secs the client throws an error because ‘did not receive a reply’.

Unfortunately, I cannot change the client, so I cannot make the call asynchronous, as it should be.

I tried to use this line in my server configuration:

<limit name = "reply_timeout">240000</limit>

but the situation does not change.

Any idea?

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1 Answer

  1. Editorial Team

    That limit parameter configures the bus daemon, which is only one of the processes involved. The others are the client and the server, and the particular D-Bus library used on each end may have a default timeout for synchronous messages. And 25 seconds is indeed the _DBUS_DEFAULT_TIMEOUT_VALUE in libdbus, the C reference implementation.

    Changing the timeout in the client, for example in dbus_connection_send_with_reply_and_block, is easier than changing the API to be asynchronous.

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