linux-kernel - Re: [PATCH v1 11/15] serial: imx: initialized DMA w/o HW flow enabled

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 6 May 2015 19:08:13 +0300
From:	Nicolae Rosia <nicolae.rosia@...il.com>
To:	jiwang <jiada_wang@...tor.com>
Cc:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>,
	gregkh@...uxfoundation.org, jslaby@...e.cz,
	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	anton_bondarenko@...tor.com, dirk.behme@...bosch.com,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: Re: [PATCH v1 11/15] serial: imx: initialized DMA w/o HW flow enabled

Hi,
I believe I'm also affected by this BUG. I'm receiving lots of 0 and 1
(ASCII, as presented by cat /dev/ttymxcX) and RX buffer is
overflowing.

> the firmware only supports imx6 series, AFAIK,
> I checked with Freescale imx6 support team, due to
> licensing issue, I am not entitled to upstream FSL SDMA firmware.
> so seems currently disable SDMA support for uart is our only option
> at the moment.
>

Have you submited a patch for this issue?
How do I disable SDMA?

Best regards,
Nicolae Rosia
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/