Re: 3.4.10 N_GSM tty_io WARNING and lockup

[Krzysztof Halasa]

> In the meantime I've rebased to v3.5.3 and it started to work. Do you
> think it is worth it investigating v3.4.10 at this point?

BTW I'm not sure if it's a known bug: I closed the /dev/ttyS0 with
/dev/gsmmuxX still open, and then tried to set N_TTY ldisc on the
master device. It didn't work so well :-(

# killall -9 microcom	# they use /dev/gsmmux[0-3]
# killall -9 iru	# the program messing with ldiscs
# ps axf

  344 ?        Ss     0:00  \_ sshd: root@pts/1
  346 pts/1    Ss     0:00  |   \_ -sh
  405 pts/1    D+     0:00  |       \_ [microcom]
  347 ?        Ss     0:00  \_ sshd: root@pts/2
  349 pts/2    Ss     0:00  |   \_ -sh
  403 pts/2    D+     0:00  |       \_ [microcom]
  406 ?        Ss     0:00  \_ sshd: root@pts/3
  408 pts/3    Ss     0:00  |   \_ -sh
  412 pts/3    D+     0:00  |       \_ [microcom]
  409 ?        Ss     0:00  \_ sshd: root@pts/4
  411 pts/4    Ss     0:00      \_ -sh
  413 pts/4    D+     0:00          \_ [microcom]
  415 pts/0    D      0:00 iru
-- 
Krzysztof Halasa
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