Invalid argument

[itanon]

Works for me, using 3.40 release on Ubuntu:

Code:

$ wget 'https://hashcat.net/misc/example_hashes/hashcat.hccapx'
--2017-03-26 16:06:58--  https://hashcat.net/misc/example_hashes/hashcat.hccapx
Resolving hashcat.net (hashcat.net)... 149.154.152.149, 2a03:f80:ed15:149:154:152:149:1
Connecting to hashcat.net (hashcat.net)|149.154.152.149|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 393 [application/octet-stream]
Saving to: ‘hashcat.hccapx’

hashcat.hccapx                  100%[====================================================>]     393  --.-KB/s    in 0s      

2017-03-26 16:07:00 (80.0 MB/s) - ‘hashcat.hccapx’ saved [393/393]

$ ./hashcat64.bin -a 3 -m 2500 hashcat.hccapx ?d?d?d?d?d?d?d?d?d?d?d

[snip]

[s]tatus [p]ause [r]esume [b]ypass [c]heckpoint [q]uit =>

Session..........: hashcat
Status...........: Running
Hash.Type........: WPA/WPA2

I don't have proprietary gpu driver installed....Maybe this is the problem?
It's strange because on a previous installation, missing driver problems generated different error statement...