From: Ilya Zykov <linux@izyk.ru>
To: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
linux-serial@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Jiri Slaby <jslaby@suse.cz>,
Peter Hurley <peter@hurleysoftware.com>
Subject: Re: n_tty_write() going into schedule but NOT coming out
Date: Wed, 03 Apr 2013 09:44:15 +0400 [thread overview]
Message-ID: <515BC1AF.1070103@izyk.ru> (raw)
In-Reply-To: <5156DC21.20901@synopsys.com>
Please, try this patch maybe it can help localize your problem.
drivers/tty/n_tty.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 05e72be..28f15d0 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -230,6 +230,7 @@ static void reset_buffer_flags(struct tty_struct *tty)
ldata->canon_head = ldata->canon_data = ldata->erasing = 0;
bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);
n_tty_set_room(tty);
+ check_unthrottle(tty);
}
/**
next prev parent reply other threads:[~2013-04-03 5:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-30 12:35 n_tty_write() going into schedule but NOT coming out Vineet Gupta
2013-04-01 13:57 ` Vineet Gupta
2013-04-01 15:10 ` Peter Hurley
2013-04-02 11:09 ` Vineet Gupta
2013-04-02 13:26 ` Vineet Gupta
2013-04-02 13:38 ` Peter Hurley
2013-04-05 19:52 ` Peter Hurley
2013-04-06 9:32 ` Vineet Gupta
2013-04-03 5:44 ` Ilya Zykov [this message]
2013-04-03 7:42 ` Vineet Gupta
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