Re: scsi_eh / 1394 bug - -rt7

From: Lee Revell
Date: Tue Oct 18 2005 - 23:21:00 EST


On Tue, 2005-10-18 at 23:43 -0400, Lee Revell wrote:
> On Tue, 2005-10-18 at 14:02 -0700, Mark Knecht wrote:
> > Hi,
> > I'm seeing this each time I plug in a 1394 hard drive:
> >
> > Attached scsi disk sdc at scsi6, channel 0, id 0, lun 0
> > ieee1394: Node changed: 0-01:1023 -> 0-00:1023
> > ieee1394: Node changed: 0-02:1023 -> 0-01:1023
> > ieee1394: Reconnected to SBP-2 device
> > ieee1394: Node 0-00:1023: Max speed [S400] - Max payload [2048]
> > ieee1394: Node suspended: ID:BUS[0-00:1023] GUID[0050c501e00b31ec]
> > prev->state: 2 != TASK_RUNNING??
> > scsi_eh_6/20286[CPU#0]: BUG in __schedule at kernel/sched.c:3328
>
> I hit this exact same bug while at a client site today, with an external
> USB drive.

And again on my home machine running -rt1 with my digital camera!

Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
usb 2-1: USB disconnect, address 2
prev->state: 2 != TASK_RUNNING??
scsi_eh_0/12648[CPU#0]: BUG in __schedule at kernel/sched.c:3326
[<c01048b9>] dump_stack+0x19/0x20 (20)
[<c011e766>] __WARN_ON+0x46/0x80 (12)
[<c02c0bf7>] __schedule+0x547/0x790 (84)
[<c012057a>] do_exit+0x26a/0x430 (28)
[<c010147b>] kernel_thread_helper+0xb/0x10 (1020129312)

Lee

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