From: Krzysztof Halasa <khc@pm.waw.pl>
To: khalasa@piap.pl (Krzysztof Hałasa)
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: 3.4.10 N_GSM tty_io WARNING and lockup
Date: Fri, 07 Sep 2012 14:59:26 +0200 [thread overview]
Message-ID: <m3sjauc7kh.fsf@intrepid.localdomain> (raw)
In-Reply-To: <m3627qt7kn.fsf@t19.piap.pl> ("Krzysztof =?utf-8?Q?Ha=C5=82as?= =?utf-8?Q?a=22's?= message of "Fri, 07 Sep 2012 13:07:20 +0200")
> 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
next prev parent reply other threads:[~2012-09-07 13:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-05 10:56 3.4.10 N_GSM tty_io WARNING and lockup Krzysztof Hałasa
2012-09-06 13:01 ` Alan Cox
2012-09-07 11:07 ` Krzysztof Hałasa
2012-09-07 12:59 ` Krzysztof Halasa [this message]
2012-09-07 13:29 ` Alan Cox
2012-09-07 16:14 ` Krzysztof Halasa
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