On Sun, Sep 2, 2012 at 4:59 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Sun, 2 Sep 2012, Alon Bar-Lev wrote: > >> I modified the patch to the following to make sure my main disk is unaffected: > >> This is what I get now, I guess detection is good now, but something >> in the IO is wrong, when plugged to computer's sata it works >> correctly. >> >> --- >> Sep 2 11:42:55 localhost kernel: Initializing USB Mass Storage driver... >> Sep 2 11:42:55 localhost kernel: scsi6 : usb-storage 2-1.1:1.0 >> Sep 2 11:42:55 localhost kernel: usbcore: registered new interface >> driver usb-storage >> Sep 2 11:42:55 localhost kernel: USB Mass Storage support registered. >> Sep 2 11:42:56 localhost kernel: scsi 6:0:0:0: Direct-Access WDC >> WD30 EZRX-00MMMB0 PQ: 0 ANSI: 5 >> Sep 2 11:42:56 localhost kernel: sd 6:0:0:0: Attached scsi generic sg2 type 0 >> Sep 2 11:42:56 localhost kernel: @ALON: apply workaround 1 >> Sep 2 11:42:56 localhost kernel: sd 6:0:0:0: [sdb] 5860533168 >> 512-byte logical blocks: (3.00 TB/2.72 TiB) > > Is this the same as the number of blocks you get when the drive is > plugged into a SATA port? > >> Sep 2 11:42:56 localhost kernel: sd 6:0:0:0: [sdb] Write Protect is off >> Sep 2 11:42:56 localhost kernel: sd 6:0:0:0: [sdb] Mode Sense: 28 00 00 00 >> Sep 2 11:42:56 localhost kernel: sd 6:0:0:0: [sdb] No Caching mode page present >> Sep 2 11:42:56 localhost kernel: sd 6:0:0:0: [sdb] Assuming drive >> cache: write through >> Sep 2 11:42:56 localhost kernel: @ALON: apply workaround 1 >> Sep 2 11:42:56 localhost kernel: sd 6:0:0:0: [sdb] No Caching mode page present >> Sep 2 11:42:56 localhost kernel: sd 6:0:0:0: [sdb] Assuming drive >> cache: write through >> Sep 2 11:42:56 localhost kernel: usb 2-1.1: reset high-speed USB >> device number 7 using ehci_hcd >> Sep 2 11:42:56 localhost kernel: usb 2-1.1: reset high-speed USB >> device number 7 using ehci_hcd >> Sep 2 11:42:56 localhost kernel: usb 2-1.1: reset high-speed USB >> device number 7 using ehci_hcd >> Sep 2 11:42:57 localhost kernel: usb 2-1.1: reset high-speed USB >> device number 7 using ehci_hcd >> Sep 2 11:42:57 localhost kernel: usb 2-1.1: reset high-speed USB >> device number 7 using ehci_hcd >> Sep 2 11:42:57 localhost kernel: sd 6:0:0:0: [sdb] Unhandled error code >> Sep 2 11:42:57 localhost kernel: sd 6:0:0:0: [sdb] >> Sep 2 11:42:57 localhost kernel: Result: hostbyte=0x07 driverbyte=0x00 >> Sep 2 11:42:57 localhost kernel: sd 6:0:0:0: [sdb] CDB: >> Sep 2 11:42:57 localhost kernel: cdb[0]=0x28: 28 00 00 00 00 00 00 00 08 00 >> Sep 2 11:42:57 localhost kernel: end_request: I/O error, dev sdb, sector 0 >> Sep 2 11:42:57 localhost kernel: Buffer I/O error on device sdb, >> logical block 0 > > Yep, something is wrong. To find out what, capture a usbmon trace > showing what happens when the drive is plugged in (see > Documentation/usb/usbmon.txt for instructions). > > Alan Stern > --- Sep 2 11:53:23 alonbl2 kernel: [ 0.922566] scsi 1:0:0:0: Direct-Access ATA WDC WD30EZRX-00M 80.0 PQ: 0 ANSI: 5 Sep 2 11:53:23 alonbl2 kernel: [ 0.922753] sd 1:0:0:0: [sdb] 5860533168 512-byte logical blocks: (3.00 TB/2.72 TiB) Sep 2 11:53:23 alonbl2 kernel: [ 0.922757] sd 1:0:0:0: [sdb] 4096-byte physical blocks Sep 2 11:53:23 alonbl2 kernel: [ 0.922789] sd 1:0:0:0: Attached scsi generic sg1 type 0 Sep 2 11:53:23 alonbl2 kernel: [ 0.922984] sd 1:0:0:0: [sdb] Write Protect is off Sep 2 11:53:23 alonbl2 kernel: [ 0.923041] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA --- Will do usbmon now. Thanks! Alon. -- 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
