[lkml]   [2004]   [Dec]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: Scheduling while atomic (2.6.10-rc3-bk13)
    On Mon, 2004-12-20 at 11:52 -0800, David Brownell wrote:
    > On Monday 20 December 2004 10:48 am, Greg KH wrote:
    > >
    > > David, it looks like you grab a spinlock, and then call msleep(20);
    > > which causes this warning.
    > >
    > > Care to fix it?
    > How bizarre ... I must have been tested that without spinlock
    > debugging, for some reason. Grr. I usually leave that on,
    > just to prevent stuff like this.
    > Here's a quick'n'dirty patch, msleep --> mdelay. I'd rather
    > not mdelay for that long, but this late in 2.6.10 it's safer.
    > (And this is also what OHCI does in that same code path.)

    Ugh. 20ms is WAY too long to hold a spinlock. That's guaranteed to
    cause audio skips. Isn't there another way?

    If OHCI calls mdelay(20) while holding a spinlock that needs to be


    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 14:08    [W:0.020 / U:0.096 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site