lkml.org 
[lkml]   [2003]   [Jul]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    SubjectRe: Firewire
    On Thu, Jul 24, 2003 at 06:27:24PM -0700, Chris Ruvolo wrote:
    > On Thu, Jul 24, 2003 at 06:13:37PM -0700, Torrey Hoffman wrote:
    > > Sometimes the driver seems to go into an loop of "unsolicted packet
    > > received" messages and attempted resets. Here's what the log looks like
    > > when that happens: (this was on 2.5.75)
    > [..]
    > > (this sequence repeats until I turn off or unplug the drive.)
    >
    > This sounds like what happens to me when I turn on my DV cam. CPU usage
    > goes up to 40% kernel and loops like that until the device goes off.
    >
    > What hardware do you have? lspci?
    >
    > Marcello's latest 2.4.22-pre8 updates to rev 1010 of the 1394 modules, so
    > I'm curious if I can reproduce this in 2.4 now.

    Could both you guys try this workaround? Should prove or disprove my
    theory.

    Index: linux-2.6/drivers/ieee1394/ohci1394.c
    ===================================================================
    --- linux-2.6/drivers/ieee1394/ohci1394.c (revision 1013)
    +++ linux-2.6/drivers/ieee1394/ohci1394.c (working copy)
    @@ -2366,7 +2366,7 @@
    ohci1394_stop_context(ohci, d->ctrlClear,
    "respTxComplete");
    else
    - tasklet_schedule(&d->task);
    + dma_trm_tasklet ((unsigned long)d);
    event &= ~OHCI1394_respTxComplete;
    }
    if (event & OHCI1394_RQPkt) {
    --
    Debian - http://www.debian.org/
    Linux 1394 - http://www.linux1394.org/
    Subversion - http://subversion.tigris.org/
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:47    [W:0.021 / U:91.808 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site