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Hi,
as the title says, if I plug in a USB stick, it is recognized but after 10 sec it disconnects itself, then connects again.
I checked dmesg and this is the output:
[ 561.860638] usb 1-1: new high-speed USB device number 44 using xhci_hcd
[ 562.004633] usb 1-1: New USB device found, idVendor=05dc, idProduct=a790, bcdDevice=11.00
[ 562.004639] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 562.004641] usb 1-1: Product: USB Flash Drive
[ 562.004642] usb 1-1: Manufacturer: UFD
[ 562.004644] usb 1-1: SerialNumber: AA04017700010456
[ 562.006103] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 562.006365] scsi host0: usb-storage 1-1:1.0
[ 564.217094] usb 1-1: USB disconnect, device number 44
[ 571.344120] usb 1-1: new high-speed USB device number 45 using xhci_hcd
[ 571.488944] usb 1-1: New USB device found, idVendor=05dc, idProduct=a790, bcdDevice=11.00
[ 571.488959] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 571.488965] usb 1-1: Product: USB Flash Drive
[ 571.488969] usb 1-1: Manufacturer: UFD
[ 571.488973] usb 1-1: SerialNumber: AA04017700010456
[ 571.494007] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 571.494257] scsi host0: usb-storage 1-1:1.0
[ 574.037571] scsi 0:0:0:0: Direct-Access UFD USB Flash Drive 1100 PQ: 0 ANSI: 0 CCS
[ 574.039688] sd 0:0:0:0: [sda] 15663104 512-byte logical blocks: (8.02 GB/7.47 GiB)
[ 574.040340] sd 0:0:0:0: [sda] Write Protect is off
[ 574.040351] sd 0:0:0:0: [sda] Mode Sense: 43 00 00 00
[ 574.040884] sd 0:0:0:0: [sda] No Caching mode page found
[ 574.040887] sd 0:0:0:0: [sda] Assuming drive cache: write through
[ 574.045114] sda: sda1
[ 574.045876] sd 0:0:0:0: [sda] Attached SCSI removable disk
[ 574.293599] FAT-fs (sda1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[ 583.609128] usb 1-1: USB disconnect, device number 45
[ 583.609447] sd 0:0:0:0: [sda] tag#0 FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK cmd_age=8s
[ 583.609457] sd 0:0:0:0: [sda] tag#0 CDB: Read(10) 28 00 00 00 30 a2 00 00 f0 00
[ 583.609462] I/O error, dev sda, sector 12450 op 0x0:(READ) flags 0x80700 phys_seg 240 prio class 0
[ 583.609623] sd 0:0:0:0: [sda] tag#0 FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=0s
[ 583.609632] sd 0:0:0:0: [sda] tag#0 CDB: Read(10) 28 00 00 00 31 92 00 00 f0 00
[ 583.609636] I/O error, dev sda, sector 12690 op 0x0:(READ) flags 0x80700 phys_seg 240 prio class 0
[ 583.609685] device offline error, dev sda, sector 12691 op 0x0:(READ) flags 0x80000 phys_seg 239 prio class 0
[ 583.609957] device offline error, dev sda, sector 12451 op 0x0:(READ) flags 0x80000 phys_seg 239 prio class 0
[ 583.610235] device offline error, dev sda, sector 12450 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 583.610283] FAT-fs (sda1): FAT read failed (blocknr 10402)
[ 583.617931] device offline error, dev sda, sector 5824 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 583.617946] FAT-fs (sda1): FAT read failed (blocknr 3776)
[ 584.284202] usb 1-1: new high-speed USB device number 46 using xhci_hcd
[ 584.428657] usb 1-1: New USB device found, idVendor=05dc, idProduct=a790, bcdDevice=11.00
[ 584.428672] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 584.428678] usb 1-1: Product: USB Flash Drive
[ 584.428683] usb 1-1: Manufacturer: UFD
[ 584.428686] usb 1-1: SerialNumber: AA04017700010456
[ 584.430360] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 584.430681] scsi host0: usb-storage 1-1:1.0
[ 585.977232] usb 1-1: USB disconnect, device number 46
Any idea?
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