On Sun, Sep 2, 2012 at 5:09 PM, Alon Bar-Lev <alon.barlev@xxxxxxxxx> wrote: > 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. Attached usbmon, I hope I've done this OK. --- Sep 2 17:23:21 localhost kernel: usb 2-1.1: new high-speed USB device number 9 using ehci_hcd Sep 2 17:23:21 localhost kernel: scsi7 : usb-storage 2-1.1:1.0 Sep 2 17:23:22 localhost kernel: scsi 7:0:0:0: Direct-Access WDC WD30 EZRX-00MMMB0 PQ: 0 ANSI: 5 Sep 2 17:23:22 localhost kernel: sd 7:0:0:0: Attached scsi generic sg2 type 0 Sep 2 17:23:22 localhost kernel: @ALON: apply workaround 1 Sep 2 17:23:22 localhost kernel: sd 7:0:0:0: [sdb] 5860533168 512-byte logical blocks: (3.00 TB/2.72 TiB) Sep 2 17:23:22 localhost kernel: sd 7:0:0:0: [sdb] Write Protect is off Sep 2 17:23:22 localhost kernel: sd 7:0:0:0: [sdb] Mode Sense: 28 00 00 00 Sep 2 17:23:22 localhost kernel: sd 7:0:0:0: [sdb] No Caching mode page present Sep 2 17:23:22 localhost kernel: sd 7:0:0:0: [sdb] Assuming drive cache: write through Sep 2 17:23:22 localhost kernel: @ALON: apply workaround 1 Sep 2 17:23:22 localhost kernel: sd 7:0:0:0: [sdb] No Caching mode page present Sep 2 17:23:22 localhost kernel: sd 7:0:0:0: [sdb] Assuming drive cache: write through ---
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