[lkml]   [2005]   [Mar]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [OOPS] 2.6.11 - NMI lockup with CFQ scheduler
    >> > I have one IDE hard disc, but I was using a USB memory stick at one
    > > point. (Notice the usb-storage and vfat modules in my list.) Could
    > > that be the troublesome SCSI device?

    --- Jens Axboe <> wrote:
    > Yes, it probably is. What happens is that you insert the stick and do io
    > against it, which sets up a process io context for that device. That
    > context persists until the process exits (or later, if someone still
    > holds a reference to it), but the queue_lock will be dead when you yank
    > the usb device.
    > It is quite a serious problem, not just for CFQ. SCSI referencing is
    > badly broken there.

    That would explain why it was nautilus which caused the oops then. Does this mean that the major
    distros aren't using the CFQ then? Because how else can they be avoiding this oops with USB
    storage devices?

    Send instant messages to your online friends
    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: 2005-04-06 13:31    [W:0.021 / U:23.752 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site