Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS - Debian

This is a discussion on Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS - Debian ; Package: linux-image-2.6.24-1-ixp4xx Version: 2.6.24-4 I recently upgraded my NSLU2 from etch/arm to lenny/armel. I had no problems throwing any amount of NFS traffic at it when I was on arm (kernel linux-image-2.6.18-6-ixp4xx version 2.6.18.dfsg.1-18etch1), but now that I'm on armel ...

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Thread: Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS

  1. Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS

    Package: linux-image-2.6.24-1-ixp4xx
    Version: 2.6.24-4

    I recently upgraded my NSLU2 from etch/arm to lenny/armel. I had no
    problems throwing any amount of NFS traffic at it when I was on arm
    (kernel linux-image-2.6.18-6-ixp4xx version 2.6.18.dfsg.1-18etch1), but
    now that I'm on armel I get a lot of messages from nfsd in dmesg.

    When reading:
    nfsd: recvfrom returned errno 14

    When writing:
    nfsd: non-standard errno: -14

    The read problem manifests as mplayer stalling every minute or so when
    playing a movie from the NFS mount. The write problem manifests as cp
    or mv reporting an I/O error for one or more files when I copy 40 or
    50MB worth to the NFS mount.

    Bug #404447 sounded similar and with the tcp_wmem sysctl setting
    suggested therein applied mplayer behaves itself. However, the
    recvfrom messages are still logged and writes still throw an I/O
    error now and then.

    The network setup is the NSLU2 and the client connected by wired
    Ethernet to a Linksys WRT54GL.

    --
    Paul Collins
    Wellington, New Zealand

    Dag vijandelijk luchtschip de huismeester is dood



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  2. Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS

    * Paul Collins [2008-03-16 04:34]:
    > Version: 2.6.24-4
    >
    > I recently upgraded my NSLU2 from etch/arm to lenny/armel. I had no
    > problems throwing any amount of NFS traffic at it when I was on arm
    > (kernel linux-image-2.6.18-6-ixp4xx version 2.6.18.dfsg.1-18etch1), but
    > now that I'm on armel I get a lot of messages from nfsd in dmesg.


    We changed the Ethernet driver used for the NSLU2 in 2.6.24, so it's
    possible there are some regression compared to 2.6.18. Gordon, have
    you seen this issue before?


    > When reading:
    > nfsd: recvfrom returned errno 14
    >
    > When writing:
    > nfsd: non-standard errno: -14
    >
    > The read problem manifests as mplayer stalling every minute or so when
    > playing a movie from the NFS mount. The write problem manifests as cp
    > or mv reporting an I/O error for one or more files when I copy 40 or
    > 50MB worth to the NFS mount.
    >
    > Bug #404447 sounded similar and with the tcp_wmem sysctl setting
    > suggested therein applied mplayer behaves itself. However, the
    > recvfrom messages are still logged and writes still throw an I/O
    > error now and then.
    >
    > The network setup is the NSLU2 and the client connected by wired
    > Ethernet to a Linksys WRT54GL.
    >
    > --
    > Paul Collins
    > Wellington, New Zealand
    >
    > Dag vijandelijk luchtschip de huismeester is dood
    >
    >
    >
    > --
    > To UNSUBSCRIBE, email to debian-kernel-REQUEST@lists.debian.org
    > with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org


    --
    Martin Michlmayr
    http://www.cyrius.com/


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  3. Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS

    * Paul Collins [2008-03-16 04:34]:
    > I recently upgraded my NSLU2 from etch/arm to lenny/armel. I had no
    > problems throwing any amount of NFS traffic at it when I was on arm
    > (kernel linux-image-2.6.18-6-ixp4xx version 2.6.18.dfsg.1-18etch1), but
    > now that I'm on armel I get a lot of messages from nfsd in dmesg.
    >
    > When reading:
    > nfsd: recvfrom returned errno 14


    OK, I can reproduce this with 2.6.24 on arm on a NSLU2. However, I
    don't see it with 2.6.25-rc6.

    Gordon, any idea how many changes there were between 2.6.24 and
    2.6.25?
    --
    Martin Michlmayr
    http://www.cyrius.com/


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  4. Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS

    Hi Martin

    On Tue, Mar 18, 2008 at 2:57 PM, Martin Michlmayr wrote:

    > OK, I can reproduce this with 2.6.24 on arm on a NSLU2. However, I
    > don't see it with 2.6.25-rc6.
    >
    > Gordon, any idea how many changes there were between 2.6.24 and
    > 2.6.25?


    I'll have to check. I'll try to look into this before the weekend. I
    should update the the network drive patch in 2.6.24 anyway to keep it
    in sync with Krzysztof's tree.

    Gordon

    --
    Gordon Farquharson
    GnuPG Key ID: 32D6D676



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  5. Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS

    Hi Paul

    On Sat, Mar 15, 2008 at 9:34 AM, Paul Collins wrote:
    > Package: linux-image-2.6.24-1-ixp4xx
    > Version: 2.6.24-4
    >
    > I recently upgraded my NSLU2 from etch/arm to lenny/armel. I had no
    > problems throwing any amount of NFS traffic at it when I was on arm
    > (kernel linux-image-2.6.18-6-ixp4xx version 2.6.18.dfsg.1-18etch1), but
    > now that I'm on armel I get a lot of messages from nfsd in dmesg.


    I added a patch to the Debian kernel subversion repository for sid.
    Snapshots of the kernel are not built for arm, so I uploaded the
    binary here [1]. Martin Michlmayr tested this version and reported
    that he could not reproduce the problem. If possible, it would be
    great if you could test the new kernel. The following link wil show
    you the patch that was applied.

    http://svn.debian.org/wsvn/kernel/di...rev=10959&sc=1

    Gordon

    [1] http://fradharc.com/files/linux-imag...6.24-5_arm.deb
    md5sum:
    c16ad247db142be3e5b6c44441e45a81 linux-image-2.6.24-1-ixp4xx_2.6.24-5_arm.deb

    --
    Gordon Farquharson
    GnuPG Key ID: 32D6D676



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  6. Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS

    Hi Gordon,

    "Gordon Farquharson" writes:
    > I added a patch to the Debian kernel subversion repository for sid.
    > Snapshots of the kernel are not built for arm, so I uploaded the
    > binary here [1]. Martin Michlmayr tested this version and reported
    > that he could not reproduce the problem. If possible, it would be
    > great if you could test the new kernel. The following link wil show
    > you the patch that was applied.


    I'm happy to test. However, the image you linked below is for arm, and
    my system is armel.

    > [1] http://fradharc.com/files/linux-imag...6.24-5_arm.deb
    > md5sum:
    > c16ad247db142be3e5b6c44441e45a81 linux-image-2.6.24-1-ixp4xx_2.6.24-5_arm.deb


    --
    Paul Collins
    Wellington, New Zealand

    Dag vijandelijk luchtschip de huismeester is dood



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  7. Bug#471062: ixp4xx: stalls and I/O errors when reading and writing via NFS

    Hi Paul

    On Sun, Mar 23, 2008 at 4:56 PM, Paul Collins wrote:

    > I'm happy to test. However, the image you linked below is for arm, and
    > my system is armel.


    Ah! Sorry, my fault. I need to make an armel toolchain. I'll let you
    know when I have built an armel version.

    Gordon

    --
    Gordon Farquharson
    GnuPG Key ID: 32D6D676



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  8. Bug#471062: marked as done (ixp4xx: stalls and I/O errors when reading and writing via NFS)


    Your message dated Thu, 27 Mar 2008 16:02:27 +0000
    with message-id
    and subject line Bug#471062: fixed in linux-2.6 2.6.24-5
    has caused the Debian Bug report #471062,
    regarding ixp4xx: stalls and I/O errors when reading and writing via NFS
    to be marked as done.

    This means that you claim that the problem has been dealt with.
    If this is not the case it is now your responsibility to reopen the
    Bug report if necessary, and/or fix the problem forthwith.

    (NB: If you are a system administrator and have no idea what this
    message is talking about, this may indicate a serious mail system
    misconfiguration somewhere. Please contact owner@bugs.debian.org
    immediately.)


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