[systemd-devel] Failed to apply ACLs: Invalid argument

[Matwey V. Kornilov]

2017-07-19 13:10 GMT+03:00 Matwey V. Kornilov <matwey.kornilov at gmail.com>:
> 2017-07-19 12:47 GMT+03:00 Lennart Poettering <lennart at poettering.net>:
>> On Wed, 19.07.17 12:38, Matwey V. Kornilov (matwey.kornilov at gmail.com) wrote:
>>
>>> This is all that is relevant to Invalid Argument errno in strace:
>>>
>> [...]
>>> readlinkat(AT_FDCWD, "/sys/module/parport", 0x55d7a4d5d940, 99) = -1
>>> EINVAL (Invalid argument)
>>
>> realinkat() returns EINVAL when invoked on a non-symlinks. It's not a
>> real error, just a way to report that mismatch.
>>
>>> drwxr-xr-x 3 root root 0 июл 19 12:35 /sys/devices/virtual/input/input7/event7
>>> drwxr-xr-x 5 root root 0 июл 19 12:31 /sys/module/parport
>>> drwxr-xr-x 7 root root 0 июл 19 12:33 /sys/module/parport_pc
>>>
>>> It is brand-new openSUSE 42.2 installation. No selinux or something like that.
>>
>> Not sure what else I can suggest then, except attaching gdb to logind
>> and check what happens when you switch VTs... it should be sufficient
>> to set a breakpoint onto devnode_acl_all() and wait until it gets
>> triggered, and then follow the code until you see EINVAL thrown.
>>
>> Unless you know gdb well enough you shouldn't attempt that though...
>>
>
> Ok, it is udev_enumerate_scan_devices who returns -22

Now I see that something wrong happens inside

enumerator_scan_devices_children

at

sd_device_get_syspath


>
>> Lennart
>>
>> --
>> Lennart Poettering, Red Hat
>
>
>
> --
> With best regards,
> Matwey V. Kornilov



-- 
With best regards,
Matwey V. Kornilov