Dear Greg K-H
Thanks for your new kernel information.
Dear Alan,
Thanks for your patch's information.
Here is my test environment :
CPU : Bay Trail-M N2920
Bios USB setting : XHCI
Kernel : 3.13.7 with scsi patch
USB : 2 front usb2.0 port (electronic diagram : link to usb hub and
then usb hub link to N2920 SoC)
1 rear usb2.0 port (electronic diagram : direct link to N2920 SoC)
1 rear usb3.0 port (electronic diagram : direct link to N2920 SoC)
USB Storage(3.0) : SandDisk Extreme 16GB
USB Storage(2.0) : Patriot 32GB
result :
2 front usb2.0 port => pass
1 rear usb2.0 port => fail on USB Storage(3.0)
1 rear usb3.0 port => pass
dmesg with plug-in:
[ 42.517237] usb 1-2: new high-speed USB device number 5 using xhci_hcd
[ 42.533963] usb 1-2: New USB device found, idVendor=0781, idProduct=5580
[ 42.533971] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 42.533976] usb 1-2: Product: Extreme
[ 42.533980] usb 1-2: Manufacturer: SanDisk
[ 42.533984] usb 1-2: SerialNumber: AA011102120418337893
[ 42.535009] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 42.535024] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 42.536163] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 42.536976] scsi0 : usb-storage 1-2:1.0
[ 43.541092] scsi 0:0:0:0: Direct-Access SanDisk Extreme
0001 PQ: 0 ANSI: 6
[ 43.545820] sd 0:0:0:0: [sda] 31277232 512-byte logical blocks:
(16.0 GB/14.9 GiB)
[ 43.546376] sd 0:0:0:0: [sda] Write Protect is off
[ 43.546383] sd 0:0:0:0: [sda] Mode Sense: 53 00 00 08
[ 43.546912] sd 0:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 73.990231] usb 1-2: reset high-speed USB device number 5 using xhci_hcd
[ 74.005838] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f5e26120
[ 74.005844] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f5e2614c
[ 74.005860] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 74.005867] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 74.007085] sda: sda1
[ 74.008360] usb 1-2: USB disconnect, device number 5
[ 74.013807] sd 0:0:0:0: [sda] READ CAPACITY failed
[ 74.013815] sd 0:0:0:0: [sda]
[ 74.013818] Result: hostbyte=0x01 driverbyte=0x00
[ 74.013822] sd 0:0:0:0: [sda] Sense not available.
[ 74.013874] sd 0:0:0:0: [sda] Asking for cache data failed
[ 74.013879] sd 0:0:0:0: [sda] Assuming drive cache: write through
[ 74.013885] sd 0:0:0:0: [sda] Attached SCSI removable disk
[ 74.294500] usb 1-2: new high-speed USB device number 6 using xhci_hcd
[ 74.311936] usb 1-2: New USB device found, idVendor=0781, idProduct=5580
[ 74.311962] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 74.311979] usb 1-2: Product: Extreme
[ 74.311994] usb 1-2: Manufacturer: SanDisk
[ 74.312008] usb 1-2: SerialNumber: AA011102120418337893
[ 74.314625] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 74.314656] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 74.316668] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 74.317102] scsi1 : usb-storage 1-2:1.0
[ 75.319698] scsi 1:0:0:0: Direct-Access SanDisk Extreme
0001 PQ: 0 ANSI: 6
[ 75.324258] sd 1:0:0:0: [sda] 31277232 512-byte logical blocks:
(16.0 GB/14.9 GiB)
[ 75.324687] sd 1:0:0:0: [sda] Write Protect is off
[ 75.324711] sd 1:0:0:0: [sda] Mode Sense: 53 00 00 08
[ 75.325179] sd 1:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 106.015431] usb 1-2: reset high-speed USB device number 6 using xhci_hcd
[ 106.030963] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep efeee540
[ 106.030972] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep efeee56c
[ 106.030984] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 106.030991] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 106.032330] sda: sda1
[ 106.033611] usb 1-2: USB disconnect, device number 6
[ 106.038809] sd 1:0:0:0: [sda] Attached SCSI removable disk
[ 106.315261] usb 1-2: new high-speed USB device number 7 using xhci_hcd
[ 106.332795] usb 1-2: New USB device found, idVendor=0781, idProduct=5580
[ 106.332820] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 106.332838] usb 1-2: Product: Extreme
[ 106.332852] usb 1-2: Manufacturer: SanDisk
[ 106.332867] usb 1-2: SerialNumber: AA011102120418337893
[ 106.334929] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 106.334962] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 106.336430] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 106.337364] scsi2 : usb-storage 1-2:1.0
[ 107.342106] scsi 2:0:0:0: Direct-Access SanDisk Extreme
0001 PQ: 0 ANSI: 6
[ 107.345577] sd 2:0:0:0: [sda] 31277232 512-byte logical blocks:
(16.0 GB/14.9 GiB)
[ 107.346729] sd 2:0:0:0: [sda] Write Protect is off
[ 107.346754] sd 2:0:0:0: [sda] Mode Sense: 53 00 00 08
[ 107.347439] sd 2:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 138.040327] usb 1-2: reset high-speed USB device number 7 using xhci_hcd
[ 138.055780] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f600dae0
[ 138.055787] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f600db0c
[ 138.055799] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 138.055806] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 138.057041] sda: sda1
[ 138.061735] sd 2:0:0:0: [sda] Attached SCSI removable disk
[ 169.096454] usb 1-2: reset high-speed USB device number 7 using xhci_hcd
[ 169.112079] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f600dae0
[ 169.112086] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f600db0c
[ 169.112101] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 169.112110] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 169.127997] usb 1-2: USB disconnect, device number 7
[ 169.133750] scsi 2:0:0:0: rejecting I/O to offline device
[ 169.133759] scsi 2:0:0:0: [sda] killing request
[ 169.133783] scsi 2:0:0:0: [sda] Unhandled error code
[ 169.133790] scsi 2:0:0:0: [sda]
[ 169.133794] Result: hostbyte=0x01 driverbyte=0x00
[ 169.133798] scsi 2:0:0:0: [sda] CDB:
[ 169.133801] cdb[0]=0x28: 28 00 00 00 01 80 00 00 08 00
[ 169.133814] end_request: I/O error, dev sda, sector 384
[ 169.133819] Buffer I/O error on device sda, logical block 48
[ 169.133858] Buffer I/O error on device sda, logical block 48
[ 169.133896] Buffer I/O error on device sda, logical block 0
[ 169.133903] Buffer I/O error on device sda, logical block 0
[ 169.133918] Buffer I/O error on device sda, logical block 2
[ 169.133924] Buffer I/O error on device sda, logical block 2
[ 169.133934] Buffer I/O error on device sda, logical block 0
[ 169.133944] Buffer I/O error on device sda, logical block 0
[ 169.133958] Buffer I/O error on device sda, logical block 0
[ 169.133974] Buffer I/O error on device sda, logical block 512
[ 169.392265] usb 1-2: new high-speed USB device number 8 using xhci_hcd
[ 169.409441] usb 1-2: New USB device found, idVendor=0781, idProduct=5580
[ 169.409465] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 169.409482] usb 1-2: Product: Extreme
[ 169.409497] usb 1-2: Manufacturer: SanDisk
[ 169.409512] usb 1-2: SerialNumber: AA011102120418337893
[ 169.410772] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 169.410801] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 169.412890] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 169.413687] scsi3 : usb-storage 1-2:1.0
[ 170.417654] scsi 3:0:0:0: Direct-Access SanDisk Extreme
0001 PQ: 0 ANSI: 6
[ 170.424400] sd 3:0:0:0: [sda] 31277232 512-byte logical blocks:
(16.0 GB/14.9 GiB)
[ 170.424720] sd 3:0:0:0: [sda] Write Protect is off
[ 170.424727] sd 3:0:0:0: [sda] Mode Sense: 53 00 00 08
[ 170.425007] sd 3:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 201.185442] usb 1-2: reset high-speed USB device number 8 using xhci_hcd
[ 201.200827] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f5d1fd80
[ 201.200834] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f5d1fdac
[ 201.200845] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 201.200853] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 201.202139] sda: sda1
[ 201.203404] usb 1-2: USB disconnect, device number 8
[ 201.210388] sd 3:0:0:0: [sda] Attached SCSI removable disk
[ 201.489395] usb 1-2: new high-speed USB device number 9 using xhci_hcd
[ 201.506819] usb 1-2: New USB device found, idVendor=0781, idProduct=5580
[ 201.506844] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 201.506861] usb 1-2: Product: Extreme
[ 201.506876] usb 1-2: Manufacturer: SanDisk
[ 201.506891] usb 1-2: SerialNumber: AA011102120418337893
[ 201.508565] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 201.508595] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 201.510558] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 201.511396] scsi4 : usb-storage 1-2:1.0
[ 202.512082] scsi 4:0:0:0: Direct-Access SanDisk Extreme
0001 PQ: 0 ANSI: 6
[ 202.516475] sd 4:0:0:0: [sda] 31277232 512-byte logical blocks:
(16.0 GB/14.9 GiB)
[ 202.517340] sd 4:0:0:0: [sda] Write Protect is off
[ 202.517352] sd 4:0:0:0: [sda] Mode Sense: 53 00 00 08
[ 202.517817] sd 4:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 233.154253] usb 1-2: reset high-speed USB device number 9 using xhci_hcd
[ 233.169733] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f41ecae0
[ 233.169740] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f41ecb0c
[ 233.169751] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 233.169759] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 233.170987] sda: sda1
[ 233.172616] usb 1-2: USB disconnect, device number 9
[ 233.180832] sd 4:0:0:0: [sda] READ CAPACITY failed
[ 233.180840] sd 4:0:0:0: [sda]
[ 233.180844] Result: hostbyte=0x01 driverbyte=0x00
[ 233.180848] sd 4:0:0:0: [sda] Sense not available.
[ 233.180906] sd 4:0:0:0: [sda] Asking for cache data failed
[ 233.180911] sd 4:0:0:0: [sda] Assuming drive cache: write through
[ 233.180917] sd 4:0:0:0: [sda] Attached SCSI removable disk
[ 233.461858] usb 1-2: new high-speed USB device number 10 using xhci_hcd
[ 233.479202] usb 1-2: New USB device found, idVendor=0781, idProduct=5580
[ 233.479225] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 233.479243] usb 1-2: Product: Extreme
[ 233.479257] usb 1-2: Manufacturer: SanDisk
[ 233.479272] usb 1-2: SerialNumber: AA011102120418337893
[ 233.481031] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 233.481059] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 233.483335] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 233.484164] scsi5 : usb-storage 1-2:1.0
[ 234.488553] scsi 5:0:0:0: Direct-Access SanDisk Extreme
0001 PQ: 0 ANSI: 6
[ 234.492802] sd 5:0:0:0: [sda] 31277232 512-byte logical blocks:
(16.0 GB/14.9 GiB)
[ 234.493510] sd 5:0:0:0: [sda] Write Protect is off
[ 234.493534] sd 5:0:0:0: [sda] Mode Sense: 53 00 00 08
[ 234.494538] sd 5:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 265.179253] usb 1-2: reset high-speed USB device number 10 using xhci_hcd
[ 265.195314] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f420b240
[ 265.195321] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f420b26c
[ 265.195333] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 265.195340] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 265.196644] sda: sda1
[ 265.199721] sd 5:0:0:0: [sda] Attached SCSI removable disk
[ 296.179194] usb 1-2: reset high-speed USB device number 10 using xhci_hcd
[ 296.194660] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f420b240
[ 296.194668] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f420b26c
[ 296.194681] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 296.194688] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 296.197163] usb 1-2: USB disconnect, device number 10
[ 296.257769] sd 5:0:0:0: [sda] Unhandled error code
[ 296.257784] sd 5:0:0:0: [sda]
[ 296.257787] Result: hostbyte=0x01 driverbyte=0x00
[ 296.257791] sd 5:0:0:0: [sda] CDB:
[ 296.257794] cdb[0]=0x28: 28 00 01 dd 40 70 00 00 08 00
[ 296.257807] end_request: I/O error, dev sda, sector 31277168
[ 296.257812] Buffer I/O error on device sda, logical block 3909646
[ 296.507306] usb 1-2: new high-speed USB device number 11 using xhci_hcd
[ 296.524602] usb 1-2: New USB device found, idVendor=0781, idProduct=5580
[ 296.524628] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 296.524645] usb 1-2: Product: Extreme
[ 296.524660] usb 1-2: Manufacturer: SanDisk
[ 296.524674] usb 1-2: SerialNumber: AA011102120418337893
[ 296.526446] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 296.526474] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 296.528242] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 296.529088] scsi6 : usb-storage 1-2:1.0
[ 297.533998] scsi 6:0:0:0: Direct-Access SanDisk Extreme
0001 PQ: 0 ANSI: 6
[ 297.542529] sd 6:0:0:0: [sda] 31277232 512-byte logical blocks:
(16.0 GB/14.9 GiB)
[ 297.543010] sd 6:0:0:0: [sda] Write Protect is off
[ 297.543029] sd 6:0:0:0: [sda] Mode Sense: 53 00 00 08
[ 297.543382] sd 6:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 297.544794] usb 1-2: USB disconnect, device number 11
[ 297.608515] sd 6:0:0:0: [sda] Attached SCSI removable disk
[ 297.859592] usb 1-2: new high-speed USB device number 12 using xhci_hcd
[ 297.877454] usb 1-2: New USB device found, idVendor=0781, idProduct=5580
[ 297.877478] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 297.877496] usb 1-2: Product: Extreme
[ 297.877510] usb 1-2: Manufacturer: SanDisk
[ 297.877525] usb 1-2: SerialNumber: AA011102120418337893
[ 297.879182] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 297.879213] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 297.880798] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 297.881277] scsi7 : usb-storage 1-2:1.0
[ 298.883497] scsi 7:0:0:0: Direct-Access SanDisk Extreme
0001 PQ: 0 ANSI: 6
[ 298.888737] sd 7:0:0:0: [sda] 31277232 512-byte logical blocks:
(16.0 GB/14.9 GiB)
[ 298.889146] sd 7:0:0:0: [sda] Write Protect is off
[ 298.889170] sd 7:0:0:0: [sda] Mode Sense: 53 00 00 08
[ 298.889574] sd 7:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 329.420997] usb 1-2: reset high-speed USB device number 12 using xhci_hcd
[ 329.436762] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f420b180
[ 329.436768] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep f420b1ac
[ 329.436779] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 329.436786] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 329.438059] sda: sda1
[ 329.441642] sd 7:0:0:0: [sda] Attached SCSI removable disk
[ 329.442876] usb 1-2: USB disconnect, device number 12
[ 329.744944] usb 1-2: new high-speed USB device number 13 using xhci_hcd
[ 329.762623] usb 1-2: New USB device found, idVendor=0781, idProduct=5580
[ 329.762649] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 329.762666] usb 1-2: Product: Extreme
[ 329.762681] usb 1-2: Manufacturer: SanDisk
[ 329.762696] usb 1-2: SerialNumber: AA011102120418337893
[ 329.764144] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 329.764172] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 329.766033] usb-storage 1-2:1.0: USB Mass Storage device detected
[ 329.766900] scsi8 : usb-storage 1-2:1.0
[ 330.770484] scsi 8:0:0:0: Direct-Access SanDisk Extreme
0001 PQ: 0 ANSI: 6
[ 330.774593] sd 8:0:0:0: [sda] 31277232 512-byte logical blocks:
(16.0 GB/14.9 GiB)
[ 330.779409] sd 8:0:0:0: [sda] Write Protect is off
[ 330.779436] sd 8:0:0:0: [sda] Mode Sense: 53 00 00 08
[ 330.780015] sd 8:0:0:0: [sda] Write cache: disabled, read cache:
enabled, doesn't support DPO or FUA
[ 361.445816] usb 1-2: reset high-speed USB device number 13 using xhci_hcd
[ 361.462034] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep efe67b40
[ 361.462041] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep efe67b6c
[ 361.462053] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 361.462061] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 361.463296] sda: sda1
[ 361.465436] sd 8:0:0:0: [sda] Attached SCSI removable disk
[ 392.446033] usb 1-2: reset high-speed USB device number 13 using xhci_hcd
[ 392.462024] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep efe67b40
[ 392.462032] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called
with disabled ep efe67b6c
[ 392.462043] usb 1-2: ep 0x81 - rounding interval to 16 microframes,
ep desc says 20 microframes
[ 392.462051] usb 1-2: ep 0x2 - rounding interval to 16 microframes,
ep desc says 20 microframes
dmesg with remove:
[ 578.729981] usb 1-2: USB disconnect, device number 15
[ 578.737259] sd 10:0:0:0: [sda] Unhandled error code
[ 578.737267] sd 10:0:0:0: [sda]
[ 578.737270] Result: hostbyte=0x01 driverbyte=0x00
[ 578.737274] sd 10:0:0:0: [sda] CDB:
[ 578.737277] cdb[0]=0x28: 28 00 00 00 00 00 00 00 08 00
[ 578.737290] end_request: I/O error, dev sda, sector 0
[ 578.737295] Buffer I/O error on device sda, logical block 0
[ 578.737349] ldm_validate_partition_table(): Disk read failed.
[ 578.737364] sda: unable to read partition table
[ 578.738267] sd 10:0:0:0: [sda] READ CAPACITY failed
[ 578.738273] sd 10:0:0:0: [sda]
[ 578.738277] Result: hostbyte=0x01 driverbyte=0x00
[ 578.738281] sd 10:0:0:0: [sda] Sense not available.
[ 578.738330] sd 10:0:0:0: [sda] Asking for cache data failed
[ 578.738336] sd 10:0:0:0: [sda] Assuming drive cache: write through
[ 578.738341] sd 10:0:0:0: [sda] Attached SCSI removable disk
When I choose EHCI mode in BIOS, this issue will not caused.
How do I find some patch to fix this issue?
Thanks.
--
Chris Cheng 鄭宇廷
Atrust Computer Corp. 冠信電腦股份有限公司
http://www.atrustcorp.com
Tel: +886-3-3288837 ext.1074
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2014-03-24 22:03 GMT+08:00 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>:
> On Mon, 24 Mar 2014, Chris Cheng wrote:
>
>> system kernel is 3.13.6, the origin issue is mount usb storage(3.0) on
>> usb3.0 port not smooth, i found the solve method is revert xhci.c
>> patch, here is the link :
>> https://lkml.org/lkml/2014/3/7/295
>>
>>
>> After i revert the patch, mount usb storage is fine.
>> But it takes some issue, here is test case :
>>
>> Here is test case :
>> usb storage 2.0 remove from usb 3.0 port => kernel trace
>> usb storage 2.0 remove from usb 2.0 port => kernel trace
>> usb storage 3.0 remove from usb 3.0 port => kernel trace
>>
>> Kernel trace message:
>>
>> [224189.786719] usb 2-1: USB disconnect, device number 4
>> [224189.820934] ------------[ cut here ]------------
>> [224189.820949] WARNING: CPU: 3 PID: 14554 at fs/sysfs/group.c:214
>> sysfs_remove_group+0x37/0x69()
>> [224189.820953] sysfs group c1851c34 not found for kobject 'target7:0:0'
>> [224189.820956] Modules linked in: snd_hda_intel(F)
>> snd_hda_codec_via(F) snd_hda_codec(F) snd_hwdep(F) snd_pcm_oss(F)
>> snd_mixer_oss(F) snd_pcm(F) snd_seq_dummy(F) snd_page_alloc(F)
>> snd_seq_oss(F) snd_seq_midi_event(F) snd_seq(F) snd_timer(F)
>> snd_seq_device(F) snd(F) parport_pc(F) fan(F) ppdev(F) lp(F)
>> parport(F)
>> [224189.820985] CPU: 3 PID: 14554 Comm: umount Tainted: GF W 3.13.6 #1
>> [224189.820988] Hardware name: LG CNS t180/t180, BIOS 1.11 03/21/2014
>> [224189.820991] 00000000 00000000 da877d98 c154fb31 c175e60a da877db0
>> c102e9f5 c112446b
>> [224189.821001] 00000000 c1851c34 ea14f21c da877dc8 c102ea70 00000009
>> da877dc0 c175e60a
>> [224189.821010] da877ddc da877df0 c112446b c175e5bf 000000d6 c175e60a
>> c1851c34 ea28e0e0
>> [224189.821019] Call Trace:
>> [224189.821028] [<c154fb31>] dump_stack+0x41/0x52
>> [224189.821036] [<c102e9f5>] warn_slowpath_common+0x61/0x78
>> [224189.821042] [<c112446b>] ? sysfs_remove_group+0x37/0x69
>> [224189.821047] [<c102ea70>] warn_slowpath_fmt+0x26/0x2a
>> [224189.821053] [<c112446b>] sysfs_remove_group+0x37/0x69
>> [224189.821060] [<c133a8bd>] dpm_sysfs_remove+0x2d/0x30
>> [224189.821065] [<c1334b1c>] device_del+0x2c/0x130
>> [224189.821072] [<c134ae09>] scsi_target_reap_usercontext+0x1f/0x2a
>> [224189.821078] [<c103f04a>] execute_in_process_context+0x16/0x45
>> [224189.821083] [<c134b714>] scsi_target_reap+0x81/0x87
>> [224189.821090] [<c134cd52>] scsi_device_dev_release_usercontext+0x116/0x13b
>> [224189.821095] [<c103f04a>] execute_in_process_context+0x16/0x45
>> [224189.821101] [<c134c9ea>] scsi_device_dev_release+0x13/0x15
>> [224189.821107] [<c13342d5>] device_release+0x46/0x78
>> [224189.821114] [<c1232827>] kobject_cleanup+0x3e/0x4e
>> [224189.821120] [<c123275c>] kobject_put+0x3c/0x3e
>> [224189.821125] [<c1232832>] ? kobject_cleanup+0x49/0x4e
>> [224189.821131] [<c1334173>] put_device+0xf/0x11
>> [224189.821137] [<c13443cc>] scsi_device_put+0x2f/0x33
>> [224189.821143] [<c135102e>] scsi_disk_put+0x23/0x31
>> [224189.821148] [<c13524f5>] sd_release+0x40/0x44
>> [224189.821154] [<c11042ba>] __blkdev_put+0x83/0xfa
>> [224189.821159] [<c1104329>] __blkdev_put+0xf2/0xfa
>> [224189.821164] [<c1104409>] blkdev_put+0xd8/0xde
>> [224189.821170] [<c10e0d1f>] kill_block_super+0x54/0x58
>> [224189.821177] [<c10e0422>] deactivate_locked_super+0x24/0x41
>> [224189.821182] [<c10e0d7d>] deactivate_super+0x28/0x2b
>> [224189.821188] [<c10f3016>] mntput_no_expire+0xc7/0xe3
>> [224189.821194] [<c10f3d0d>] SYSC_umount+0x293/0x2b0
>> [224189.821200] [<c10f3d38>] SyS_umount+0xe/0x10
>> [224189.821206] [<c155a1fa>] sysenter_do_call+0x12/0x22
>> [224189.821210] ---[ end trace 096ea20d8206361e ]--
>
> This problem has been fixed in linux-next:
>
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit?id=e63ed0d7a98014fdfc2cfeb3f6dada313dcabb59
>
> Alan Stern
>
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