linux-kernel - Re: [RFC 1/1] Char: mxser_new, fix recursive locking

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Message-ID: <4af2d03a0704141536s36a4a0e7uc353eec6f8d340f6@mail.gmail.com>
Date:	Sun, 15 Apr 2007 00:36:24 +0200
From:	"Jiri Slaby" <jirislaby@...il.com>
To:	"Jan Yenya Kasprzak" <kas@...muni.cz>
Cc:	linux-kernel@...r.kernel.org, osv@...ad.com
Subject: Re: [RFC 1/1] Char: mxser_new, fix recursive locking

On 4/14/07, Jan Yenya Kasprzak <kas@...muni.cz> wrote:
> Jiri Slaby wrote:
> :  ioctl(fd, TIOCMIWAIT, TIOCM_CD);
[...]
>         Hmm, I have tried to run this, and got a machine lockup, and after
> a minute or so the following has been printed to the console:

Hmm, the driver got shot full of holes, there's missing schedule() in
ioctl of both drivers. I'll post a patch in the morning or during the
day.

thanks for now,
-- 
http://www.fi.muni.cz/~xslaby/            Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8  22A0 32CC 55C3 39D4 7A7E
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