linux-mips
[Top] [All Lists]
<prev [Date] next>
[Advanced]
 <prev [Thread] next>

Re: NFS corruption, fixed by echo 1 > /proc/sys/vm/drop_caches -- next d

from [Matt Turner] [Permanent Link][Original]
To: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: NFS corruption, fixed by echo 1 > /proc/sys/vm/drop_caches -- next debugging steps?
From: Matt Turner <mattst88@gmail.com>
Date: Sat, 9 Dec 2017 13:03:42 -0800
Cc: Eric Dumazet <edumazet@google.com>, "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>, linux-nfs@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>, Hannes Frederic Sowa <hannes@stressinduktion.org>, "Peter Zijlstra (Intel)" <peterz@infradead.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org>, Manuel Lauss <manuel.lauss@gmail.com>, LKML <linux-kernel@vger.kernel.org>, netdev <netdev@vger.kernel.org>
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=Bod7kIHrz0OfXlOC8BH24PF/a38T6dyLGxw8FEo5BIs=; b=RNygVlDZcKr7TydcwipdDp9N1/hQXgI5dtW9xJyDLQuoXFb6bDeYNnTai8wYZGvxnU H6wgeTayuBlWzxS0BnBaxMg7CJuHHHyZD3CdxnFt9VfuFAdkQ1RfqN6kroxr0dcd1uRV noR+CZSDYC/3GYwQZch2s3So9zTQvGD6UcY3RrwAULmmilSleGn1jSfFRSYOfoaHHB/u KiylHbTvlI2pb7kXpYwdPzSVt0wW7YLBncC2/SKnA2Q/O+SKH0TpH+CBdYBhDfoyBFsQ J1O0bhXnY/eVRqa4FuQXXOG+Y6otA4VxLbC1hqI9vgCyKOzjemwcCRcyArCaeV/Q8FoO 1e9A==
In-reply-to: <1512767781.25033.30.camel@gmail.com>
List-archive: <http://www.linux-mips.org/archives/linux-mips/>
List-help: <mailto:ecartis@linux-mips.org?Subject=help>
List-id: linux-mips <linux-mips.eddie.linux-mips.org>
List-owner: <mailto:ralf@linux-mips.org>
List-post: <mailto:linux-mips@linux-mips.org>
List-software: Ecartis version 1.0.0
List-subscribe: <mailto:ecartis@linux-mips.org?subject=subscribe%20linux-mips>
List-unsubscribe: <mailto:ecartis@linux-mips.org?subject=unsubscribe%20linux-mips>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <CAEdQ38HcOgAT6wJWWKY3P0hzYwkBGSQkRSQ2a=eaGmD6c6rwXA@mail.gmail.com> <CAEdQ38G4VTXDGOarmmTac=hP92VJbQHRFxQTaSWQ3j4d63pogg@mail.gmail.com> <CAEdQ38HcPswBk3pUHzQerFZ=4KjPc5nVYTqNnGQNMk7QbPXuOQ@mail.gmail.com> <CANn89iJKGRLVNAE99JWiyXcOXveytkjbQAiZ9XPiJc6fyEdFVA@mail.gmail.com> <1512741164.25033.28.camel@gmail.com> <CAEdQ38HEduSTY38Noj4peaMN_G++5sLJfqzCMkd3M4pPNTpU_Q@mail.gmail.com> <1512767781.25033.30.camel@gmail.com>
Sender: linux-mips-bounce@linux-mips.org 
On Fri, Dec 8, 2017 at 1:16 PM, Eric Dumazet <eric.dumazet@gmail.com> wrote:
> On Fri, 2017-12-08 at 12:26 -0800, Matt Turner wrote:
>>
>> Thanks for the quick reply!
>>
>> I tried the patch on top of master, but unfortunately the corruption
>> still occurs.
>
> You might try replacing in sbdma_add_rcvbuffer()
>
> sb_new = netdev_alloc_skb(dev, size);
>
> by
>
> sb_new = alloc_skb(size, GFP_ATOMIC);
>
> Maybe the device does not like having a frame spanning 2 pages.

No such luck. I also gave changing the page size from 16K to 4K a shot
without success.
[More with this subject...]
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  Re: [PATCH v4 2/5] MIPS: Loongson64: lemote-2f move ec_kb3310b.h to include dir and clean up, Philippe Ombredanne
Next by Date:  Re: NFS corruption, fixed by echo 1 > /proc/sys/vm/drop_caches -- next debugging steps?, Eric Dumazet
Previous by Thread:  Re: NFS corruption, fixed by echo 1 > /proc/sys/vm/drop_caches -- next debugging steps?, Eric Dumazet
Next by Thread:  Re: NFS corruption, fixed by echo 1 > /proc/sys/vm/drop_caches -- next debugging steps?, Eric Dumazet
Indexes:  [Date] [Thread] [Top] [All Lists]