On Fri, 25 Jul 2008, Cédric Godin wrote: > resending because wrong address of lkml and cc scsi list > > Hello, > > since 2 or 3 -git kernels (Linus tree) I have a problem with my laptop > and its connection through USB to a nokia 5300 gsm. > > The logs show me a endless loop (until i unplug my USB cable) of > following messages : > > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] ASC=0x0 ASCQ=0x0 > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] Sense Key : 0x0 [current] > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] ASC=0x0 ASCQ=0x0 > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] Sense Key : 0x0 [current] > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] ASC=0x0 ASCQ=0x0 > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] Sense Key : 0x0 [current] > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] ASC=0x0 ASCQ=0x0 > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] Sense Key : 0x0 [current] > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] ASC=0x0 ASCQ=0x0 > Jul 25 15:19:14 enea sd 2:0:0:0: [sdb] Sense Key : 0x0 [current] > > I bisected the kernel and found the following commit as result : > > 427e59f09fdba387547106de7bab980b7fff77be is first bad commit > commit 427e59f09fdba387547106de7bab980b7fff77be > Author: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> > Date: Sat Mar 8 18:24:17 2008 -0600 > > [SCSI] make use of the residue value > > USB sometimes doesn't return an error but instead returns a residue > value indicating part (or all) of the command wasn't completed. So if > the driver _done() error processing indicates the command was fully > processed, subtract off the residue so that this USB error gets > propagated. > > Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> > > :040000 040000 d3bad84ebe1bc231e8e7d6267907ca62fd4d0dcd > c85f8cb8bd4910724f0101e41054555980727e16 M drivers > > > When reverting it with 2.6.26-06077-gc010b2f , everything is back to normal. Can you post the corresponding dmesg log from a system built with CONFIG_USB_STORAGE_DEBUG enabled? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
