2012-09-26T20:13:09.700606+03:00 d3xt3r01 kernel: [ 2466.455403] usb 3-1.1: reset SuperSpeed USB device number 14 using xhci_hcd 2012-09-26T20:13:09.713629+03:00 d3xt3r01 kernel: [ 2466.468373] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88011aea1300 2012-09-26T20:13:09.713667+03:00 d3xt3r01 kernel: [ 2466.468384] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88011aea1340 2012-09-26T20:13:44.480669+03:00 d3xt3r01 kernel: [ 2501.235365] hub 3-1:1.0: Cannot enable port 1. Maybe the USB cable is bad? 2012-09-26T20:13:45.005111+03:00 d3xt3r01 kernel: [ 2501.759279] sd 18:0:0:0: Device offlined - not ready after error recovery 2012-09-26T20:13:45.005118+03:00 d3xt3r01 kernel: [ 2501.759300] sd 18:0:0:0: [sdb] Unhandled error code 2012-09-26T20:13:45.005125+03:00 d3xt3r01 kernel: [ 2501.759305] sd 18:0:0:0: [sdb] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK 2012-09-26T20:13:45.005133+03:00 d3xt3r01 kernel: [ 2501.759312] sd 18:0:0:0: [sdb] CDB: Read(10): 28 00 00 03 2c 00 00 00 f0 00 2012-09-26T20:13:45.005139+03:00 d3xt3r01 kernel: [ 2501.759328] end_request: I/O error, dev sdb, sector 207872 2012-09-26T20:13:45.005146+03:00 d3xt3r01 kernel: [ 2501.759334] quiet_error: 23 callbacks suppressed 2012-09-26T20:13:45.005151+03:00 d3xt3r01 kernel: [ 2501.759339] Buffer I/O error on device sdb, logical block 25984 2012-09-26T20:13:45.005157+03:00 d3xt3r01 kernel: [ 2501.759351] Buffer I/O error on device sdb, logical block 25985 2012-09-26T20:13:45.005163+03:00 d3xt3r01 kernel: [ 2501.759357] Buffer I/O error on device sdb, logical block 25986 2012-09-26T20:13:45.005169+03:00 d3xt3r01 kernel: [ 2501.759363] Buffer I/O error on device sdb, logical block 25987 The result of a simple d3xt3r01 ~ # hdparm -tT /dev/sdb
/dev/sdb: Timing cached reads: 1494 MB in 2.00 seconds = 747.20 MB/sec Timing buffered disk reads: read(2097152) returned 1572864 bytes BLKFLSBUF failed: No such device It didn't fail the first time though .. I just executed the same command twice .. Assuming that 3u is the good thing to cat .. http://d3xt3r01.tk/~dexter/usbmon/1348679651_3u .. ( given the output in /sys/kernel/debug/usb/devices ) Hope this helps more to identify the issue .. 2012-09-26T20:13:45.005175+03:00 d3xt3r01 kernel: [ 2501.759369] Buffer I/O error on device sdb, logical block 25988 2012-09-26T20:13:45.005182+03:00 d3xt3r01 kernel: [ 2501.759375] Buffer I/O error on device sdb, logical block 25989 2012-09-26T20:13:45.005188+03:00 d3xt3r01 kernel: [ 2501.759382] Buffer I/O error on device sdb, logical block 25990 2012-09-26T20:13:45.005194+03:00 d3xt3r01 kernel: [ 2501.759393] sd 18:0:0:0: rejecting I/O to offline device 2012-09-26T20:13:45.005200+03:00 d3xt3r01 kernel: [ 2501.759407] sd 18:0:0:0: [sdb] killing request 2012-09-26T20:13:45.005207+03:00 d3xt3r01 kernel: [ 2501.759415] Buffer I/O error on device sdb, logical block 25991 2012-09-26T20:13:45.005213+03:00 d3xt3r01 kernel: [ 2501.759426] Buffer I/O error on device sdb, logical block 25992 2012-09-26T20:13:45.005220+03:00 d3xt3r01 kernel: [ 2501.759432] Buffer I/O error on device sdb, logical block 25993 2012-09-26T20:13:45.005227+03:00 d3xt3r01 kernel: [ 2501.759440] sd 18:0:0:0: rejecting I/O to offline device 2012-09-26T20:13:45.005233+03:00 d3xt3r01 kernel: [ 2501.759494] sd 18:0:0:0: rejecting I/O to offline device 2012-09-26T20:13:45.005240+03:00 d3xt3r01 kernel: [ 2501.759505] sd 18:0:0:0: rejecting I/O to offline device 2012-09-26T20:13:45.005246+03:00 d3xt3r01 kernel: [ 2501.759624] sd 18:0:0:0: [sdb] Unhandled error code 2012-09-26T20:13:45.005252+03:00 d3xt3r01 kernel: [ 2501.759630] sd 18:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK 2012-09-26T20:13:45.005259+03:00 d3xt3r01 kernel: [ 2501.759637] sd 18:0:0:0: [sdb] CDB: Read(10): 28 00 00 03 2c f0 00 00 10 00 2012-09-26T20:13:45.005267+03:00 d3xt3r01 kernel: [ 2501.759654] end_request: I/O error, dev sdb, sector 208112 2012-09-26T20:13:45.020696+03:00 d3xt3r01 kernel: [ 2501.775198] usb 3-1.1: USB disconnect, device number 14 On Wed, Sep 26, 2012 at 7:59 PM, Adrian Sandu <dex...@d3xt3r01.tk> wrote: > On Wed, Sep 26, 2012 at 5:50 PM, Alan Stern <st...@rowland.harvard.edu> wrote: >> On Tue, 25 Sep 2012, Sarah Sharp wrote: >> >>> Alan, I'm wondering if the xHCI ring expansion is causing issues with >>> USB hard drives under xHCI. Testing with a Buffalo USB 3.0 hard drive >>> with an NEC uPD720200 xHCI host, I see that the usb-storage and SCSI >>> initialization produces I/O errors on random sectors in 3.4.0, 3.4.6, >>> and 3.5.0. I can't get those errors to be reproduced in 3.3.1. >>> >>> The xHCI ring expansion was added in 3.4, and we changed the xHCI's >>> sg_tablesize: >>> >>> int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) >>> { >>> ... >>> /* Accept arbitrarily long scatter-gather lists */ >>> hcd->self.sg_tablesize = ~0; >>> >>> The usb-storage driver sets the tablesize thus: >>> >>> static unsigned int usb_stor_sg_tablesize(struct usb_interface *intf) >>> { >>> struct usb_device *usb_dev = interface_to_usbdev(intf); >>> >>> if (usb_dev->bus->sg_tablesize) { >>> return usb_dev->bus->sg_tablesize; >>> } >>> return SG_ALL; >>> } >>> >>> I notice that SG_ALL is set to SCSI_MAX_SG_SEGMENTS, which is only 128. >>> Should we be passing an arbitrarily large number to the SCSI core? >> >> Yes, there's no reason not to. The block layer will make sure that >> each individual request has a sufficiently small number of segments. >> >>> There's some wording in include/scsi/scsi.h about also limiting the >>> number of chained sgs to 2048. I'm wondering if we're hitting some bugs >>> in the SCSI layer because we're setting the sg_tablesize so high. >> >> I doubt it. Anyway, this stuff is handled by the block layer now, not >> the SCSI layer. If you look through drivers/scsi, you'll see that >> SG_ALL is used only in various SCSI interface drivers, not in the core. >> >>> Alternately, we could be hitting bugs in the USB 3.0 firmware when we >>> attempt to issue a read or write that's too big. The read on Adrian's >>> hard drive failed on a bigger read request (122880 bytes). It would be >>> interesting to see if it works fine if the xHCI sg_tablesize is limited. >>> I'm going to try that with my own drive on 3.5.4 and see if it helps. >> >> There were examples in the earlier usbmon traces where 122880-byte >> reads succeeded, for whatever that's worth... >> >> I doubt very much that you are anywhere close to hitting that limit. >> If a 120-KB transfer has more than 128 SG segments then on average each >> segment would be under 1024 bytes, a lot smaller than a page, which >> seems unlikely. I don't think I've ever seen a transfer needing more >> than about 8 segments. >> >> Alan Stern >> > Ok, back to vanilla 3.4.11, disabled CONFIG_USB_XHCI_HCD_DEBUGGING .. > > I still see > > 2012-09-26T19:52:16.661604+03:00 d3xt3r01 kernel: [ 1213.416759] usb > 3-2.4: reset SuperSpeed USB device number 11 using xhci_hcd > 2012-09-26T19:52:16.674632+03:00 d3xt3r01 kernel: [ 1213.429351] > xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep > ffff88011d3c6980 > 2012-09-26T19:52:16.674665+03:00 d3xt3r01 kernel: [ 1213.429363] > xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep > ffff88011d3c69c0 > T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 8 Spd=5000 MxCh= 4 > D: Ver= 3.00 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1 > P: Vendor=2109 ProdID=0810 Rev= 3.74 > S: Manufacturer=VIA Labs, Inc. > S: Product=4-Port USB 3.0 Hub > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=13(Int.) MxPS= 2 Ivl=4096ms > > T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 4 Spd=480 MxCh= 4 > D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 > P: Vendor=2109 ProdID=3431 Rev= 2.74 > S: Product=USB2.0 Hub > C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms > > T: Bus=03 Lev=02 Prnt=08 Port=00 Cnt=01 Dev#= 9 Spd=5000 MxCh= 0 > D: Ver= 3.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1 > P: Vendor=1058 ProdID=1140 Rev=10.03 > S: Manufacturer=Western Digital > S: Product=My Book 1140 > S: SerialNumber=5743415A4144303235323133 > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA > I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage > E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms > E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms > > T: Bus=03 Lev=02 Prnt=08 Port=03 Cnt=04 Dev#= 11 Spd=5000 MxCh= 0 > D: Ver= 3.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1 > P: Vendor=1058 ProdID=1140 Rev=10.03 > S: Manufacturer=Western Digital > S: Product=My Book 1140 > S: SerialNumber=574D415A4135343330323937 > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA > I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage > E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms > E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms > > So I need to cat 3u .. right ? Available at > http://d3xt3r01.tk/~dexter/usbmon/1348678668_3u > After the copy .. I see > > 2012-09-26T19:52:51.477641+03:00 d3xt3r01 kernel: [ 1248.232213] hub > 3-2:1.0: Cannot enable port 4. Maybe the USB cable is bad? > 2012-09-26T19:52:52.003074+03:00 d3xt3r01 kernel: [ 1248.757636] sd > 16:0:0:0: Device offlined - not ready after error recovery > 2012-09-26T19:52:52.003081+03:00 d3xt3r01 kernel: [ 1248.757652] sd > 16:0:0:0: [sdd] Unhandled error code > 2012-09-26T19:52:52.003088+03:00 d3xt3r01 kernel: [ 1248.757656] sd > 16:0:0:0: [sdd] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK > 2012-09-26T19:52:52.003095+03:00 d3xt3r01 kernel: [ 1248.757663] sd > 16:0:0:0: [sdd] CDB: Read(10): 28 00 17 ab ab e0 00 00 f0 00 > 2012-09-26T19:52:52.003101+03:00 d3xt3r01 kernel: [ 1248.757680] > end_request: I/O error, dev sdd, sector 397126624 > 2012-09-26T19:52:52.003107+03:00 d3xt3r01 kernel: [ 1248.757721] sd > 16:0:0:0: rejecting I/O to offline device > 2012-09-26T19:52:52.003112+03:00 d3xt3r01 kernel: [ 1248.757730] sd > 16:0:0:0: [sdd] killing request > 2012-09-26T19:52:52.003118+03:00 d3xt3r01 kernel: [ 1248.757750] sd > 16:0:0:0: rejecting I/O to offline device > 2012-09-26T19:52:52.003125+03:00 d3xt3r01 kernel: [ 1248.757769] sd > 16:0:0:0: rejecting I/O to offline device > 2012-09-26T19:52:52.003131+03:00 d3xt3r01 kernel: [ 1248.757788] sd > 16:0:0:0: rejecting I/O to offline device > 2012-09-26T19:52:52.003138+03:00 d3xt3r01 kernel: [ 1248.757814] sd > 16:0:0:0: [sdd] Unhandled error code > 2012-09-26T19:52:52.003145+03:00 d3xt3r01 kernel: [ 1248.757821] sd > 16:0:0:0: [sdd] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK > 2012-09-26T19:52:52.003152+03:00 d3xt3r01 kernel: [ 1248.757829] sd > 16:0:0:0: [sdd] CDB: Read(10): 28 00 17 ab ac d0 00 00 10 00 > 2012-09-26T19:52:52.003159+03:00 d3xt3r01 kernel: [ 1248.757849] > end_request: I/O error, dev sdd, sector 397126864 > 2012-09-26T19:52:52.018669+03:00 d3xt3r01 kernel: [ 1248.773433] usb > 3-2.4: USB disconnect, device number 11 > > While trying to copy ( using mc ) from /dev/sdb1 ( mounted /media/sdd1 > ) to /dev/sdd1 ( mounted /media/sde1 ) .. Sorry for the confusion .. > because I don't know which ones will get in what order I use uuids in > fstab .. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
