From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Anton Blanchard <anton@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org, paulus@samba.org,
gregkh@linuxfoundation.org, Paul Mackerras <paulus@au1.ibm.com>,
jslaby@suse.cz, alan@linux.intel.com
Subject: Re: HVC console breakage
Date: Wed, 14 Nov 2012 15:13:24 +1100 [thread overview]
Message-ID: <1352866404.23412.17.camel@pasglop> (raw)
In-Reply-To: <20121114135702.7b332dd7@kryten>
On Wed, 2012-11-14 at 13:57 +1100, Anton Blanchard wrote:
> Hi,
>
> Commit bdb498c20040 (TTY: hvc_console, add tty install) breaks HVC on
> ppc64. It looks a bit like a refcounting issue and we end up releasing
> the tty. I haven't had a change to look closer yet.
Adding Paulus who is looking into it. So far what we observe is that
something (possibly a close() on a hvc tty by userspace) causes the port
to be destroyed permanently. Typically hits with fedora 17.
Cheers,
Ben.
next prev parent reply other threads:[~2012-11-14 4:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-14 2:57 HVC console breakage Anton Blanchard
2012-11-14 4:13 ` Benjamin Herrenschmidt [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-03-20 13:10 hvc_console breakage Anton Blanchard
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