On Tue, 1 Sep 2009, Saurabh Kadekodi wrote: > Hi, > > I'm working on a PXA320 board. I have linux kernel 2.6.25 runnung on > it. I have a problem with my USB driver. Whenever I mount it and try > to do any kind of data transfer (say about even 12 - 16K) the driver > gives me the following dump: > > <3>BUG: scheduling while atomic: usb-storage/753/0x00000002 > [ 3221.785285] [<c0028454>] (dump_stack+0x0/0x14) from [<c00372c0>] > (__schedule_bug+0x50/0x5c) > [ 3221.795901] [<c0037270>] (__schedule_bug+0x0/0x5c) from > [<c0267354>] (schedule+0x2dc/0x348) > [ 3221.803652] r4:00000000 > [ 3221.806167] [<c0267078>] (schedule+0x0/0x348) from [<bf038a84>] > (oxu_urb_enqueue+0xb8/0x1a4 [oxu210hp_hcd]) This is clearly a bug in the oxu210hp-hcd driver. It must not call schedule() from within its enqueue method. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
