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c017623254
It appears that exceptional layout of legacy device requires extra care of hwdb entry for node device since Linux FireWire subsystem do not pick up numeric model identifier in vendor directory. In detail, see: * https://github.com/systemd/systemd/issues/25029 In the case, udev rule without model attribute is used. Thus hwdb entry for generic AV/C device should match both cases with and without the attribute. The wildcard added by a commit 5e577da5f824 ("hwdb: drop model specifier from general entries") satisfies this condition, This commit adds comment about it.
Files in this directory specify a description of hardware devices, in the form of mappings from modalias-like keys (which identify specific hardware devices) to udev properties. Files in this directory are not read by udev directly. Instead, man:systemd-hwdb(8) compiles them into a binary database. See man:hwdb(7) for an overview of the configuration file format, and man:systemd-udevd.service(8) for a description of the udev daemon. Use 'systemd-analyze cat-config udev/hwdb.d' to display the effective config.