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From: ivo.g.dimitrov.75@gmail.com (Ivaylo Dimitrov)
To: linux-arm-kernel@lists.infradead.org
Subject: [BISECTED] ssh - Received disconnect from x.x.x.x: 2: Bad packet length 3149594624
Date: Thu, 13 Feb 2014 20:43:15 +0200	[thread overview]
Message-ID: <52FD1243.9040706@gmail.com> (raw)
In-Reply-To: <20140213182105.GN13576@mudshark.cambridge.arm.com>



On 13.02.2014 20:21, Will Deacon wrote:
>
> That's certainly unexpected. The n900 has (iirc) a Cortex-A8, which as an
> ARMv7 core, can perform unaligned accesses to normal, cacheable memory in
> hardware.
>

Yep, Cortex-A8 and it has no problem to do unaligned memory accesses 
AFAIK. I suspect it is a driver issue, not CPU.

> Can you provide your .config and/or any information about your network chip
> please? There's a chance that the driver is doing something odd.

The chip is TI wl1251, you can find the config file here(actually this 
is the tree I am using to boot 3.14-rc1 on N900) - 
https://gitorious.org/linux-n900/freemangordons-linux-n900/source/1434dbd7fbc5ec257b6cd6c547689b79177d1937:arch/arm/configs/rx51_defconfig

Thanks,
Ivo

WARNING: multiple messages have this Message-ID (diff)
From: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
To: Will Deacon <will.deacon@arm.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	"linux@arm.linux.org.uk" <linux@arm.linux.org.uk>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"Pavel Machek" <pavel@ucw.cz>, "Sebastian Reichel" <sre@ring0.de>,
	"Pali Rohár" <pali.rohar@gmail.com>
Subject: Re: [BISECTED] ssh - Received disconnect from x.x.x.x: 2: Bad packet length 3149594624
Date: Thu, 13 Feb 2014 20:43:15 +0200	[thread overview]
Message-ID: <52FD1243.9040706@gmail.com> (raw)
In-Reply-To: <20140213182105.GN13576@mudshark.cambridge.arm.com>



On 13.02.2014 20:21, Will Deacon wrote:
>
> That's certainly unexpected. The n900 has (iirc) a Cortex-A8, which as an
> ARMv7 core, can perform unaligned accesses to normal, cacheable memory in
> hardware.
>

Yep, Cortex-A8 and it has no problem to do unaligned memory accesses 
AFAIK. I suspect it is a driver issue, not CPU.

> Can you provide your .config and/or any information about your network chip
> please? There's a chance that the driver is doing something odd.

The chip is TI wl1251, you can find the config file here(actually this 
is the tree I am using to boot 3.14-rc1 on N900) - 
https://gitorious.org/linux-n900/freemangordons-linux-n900/source/1434dbd7fbc5ec257b6cd6c547689b79177d1937:arch/arm/configs/rx51_defconfig

Thanks,
Ivo

  reply	other threads:[~2014-02-13 18:43 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-13 18:02 [BISECTED] ssh - Received disconnect from x.x.x.x: 2: Bad packet length 3149594624 Ivaylo Dimitrov
2014-02-13 18:02 ` Ivaylo Dimitrov
2014-02-13 18:21 ` Will Deacon
2014-02-13 18:21   ` Will Deacon
2014-02-13 18:43   ` Ivaylo Dimitrov [this message]
2014-02-13 18:43     ` Ivaylo Dimitrov
2014-02-13 19:29     ` Will Deacon
2014-02-13 19:29       ` Will Deacon
2014-02-14 16:12       ` Ivaylo Dimitrov
2014-02-14 16:12         ` Ivaylo Dimitrov
2014-02-14 16:24         ` Will Deacon
2014-02-14 16:24           ` Will Deacon
2014-02-14 17:11           ` Ivaylo Dimitrov
2014-02-14 17:11             ` Ivaylo Dimitrov
2014-02-23 19:06             ` Ivaylo Dimitrov
2014-02-23 19:06               ` Ivaylo Dimitrov
2014-02-25 10:44               ` Pavel Machek
2014-02-25 10:44                 ` Pavel Machek
2014-02-25 10:55                 ` Will Deacon
2014-02-25 10:55                   ` Will Deacon
2014-02-24 16:52           ` Kalle Valo
2014-02-24 16:52             ` Kalle Valo
2014-02-25  7:56           ` Ivaylo Dimitrov
2014-02-25  7:56             ` Ivaylo Dimitrov
2014-02-25 10:57             ` Will Deacon
2014-02-25 10:57               ` Will Deacon
2014-03-01 12:52               ` [PATCH] wl1251: use skb_trim to make skb shorter Ivaylo Dimitrov
2014-03-04 14:26                 ` Will Deacon
2014-03-04 18:33                   ` John W. Linville
2014-03-05 10:06                     ` Will Deacon

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