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

[Matwey V. Kornilov]

2017-07-19 13:32 GMT+03:00 Matwey V. Kornilov <matwey.kornilov at gmail.com>:
> 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
>

k = sd_device_new_from_device_id(&device, dent->d_name);

inside enumerator_scan_devices_tag() returns -22 for some entry.

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



-- 
With best regards,
Matwey V. Kornilov