On Tue, 29 Jul 2008, James Bottomley wrote: > > Summary: > > Between 2.6.26-rc9-git10 and rc9-git11, the kernel stopped properly > > recognizing my USB-card-reader-mounted SDHC 4GB card. The problem seems to > > come up between usb-storage recognizing the device, and the handoff to scsi > > to read the disk properties. The bug remains in 2.6.26 and 2.6.27-rc1; > > kernels before 2.6.26-rc9-git10 are unaffected. On the same EHCI controller, > > an old-spec SD 1GB card and its reader are unaffected by this bug. > > After the bug, initialization looks the same until the device scan finishes. > > Handoff to scsi produces the following (taken from rc9-git12): > > sd 5:0:0:0: [sdf] Sector size 0 reported, assuming 512. > > sd 5:0:0:0: [sdf] 1 512-byte hardware sectors (0 MB) > > sd 5:0:0:0: [sdf] Write Protect is off > > sd 5:0:0:0: [sdf] Mode Sense: 4b 00 00 08 > > sd 5:0:0:0: [sdf] Assuming drive cache: write through > > sd 5:0:0:0: [sdf] Sector size 0 reported, assuming 512. > > sd 5:0:0:0: [sdf] 1 512-byte hardware sectors (0 MB) > > sd 5:0:0:0: [sdf] Write Protect is off > > sd 5:0:0:0: [sdf] Mode Sense: 4b 00 00 08 > > sd 5:0:0:0: [sdf] Assuming drive cache: write through > > sdf: sdf1 > > sdf: p1 exceeds device capacity > > sd 5:0:0:0: [sdf] Attached SCSI removable disk > > sd 5:0:0:0: Attached scsi generic sg7 type 0 The problem will most likely be fixed by this patch: http://marc.info/?l=linux-usb&m=121734710306509&w=2 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
