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#1 2013-05-11 15:09:01

Kotrfa
Member
Registered: 2012-10-25
Posts: 142

[SOLVED]Kindle 5 disconnects after few seconds (USB)

Hi,

I have problem with my Kindle e-book reader. It worked fine last week, but now it keep disconnecting from laptop.

When I plug it in (using USB 2.0), it is recognized, according to lsusb, but after few seconds it "disappears" from list.

Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 1949:0004 Lab126, Inc. Amazon Kindle 3/4
Bus 001 Device 003: ID 2232:1018  

and dmesg shows this:

[   44.233222] usb 1-1.2: new high-speed USB device number 5 using ehci-pci
[   44.338977] scsi7 : usb-storage 1-1.2:1.0
[   45.341509] scsi 7:0:0:0: Direct-Access     Kindle   Internal Storage 0100 PQ: 0 ANSI: 2
[   45.347348] sd 7:0:0:0: [sdb] 2846720 512-byte logical blocks: (1.45 GB/1.35 GiB)
[   45.453629] sd 7:0:0:0: [sdb] Write Protect is off
[   45.453643] sd 7:0:0:0: [sdb] Mode Sense: 0f 00 00 00
[   45.563370] sd 7:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[   45.784393]  sdb: sdb1
[   46.013362] sd 7:0:0:0: [sdb] Attached SCSI removable disk
[   46.954279] usb 1-1.2: USB disconnect, device number 5
[   46.955449] sd 7:0:0:0: [sdb] Synchronizing SCSI cache
[   46.955581] sd 7:0:0:0: [sdb]  
[   46.955591] Result: hostbyte=0x01 driverbyte=0x00

For powersaving I use tlp and I have this device blacklisted, so it shouldn't be the cause. And the autosuspend for USB is set to 2000s. I tried to google but nothing helps.

Thanks

Edit: It was because of two bad cables, the third one works. Sorry

Last edited by Kotrfa (2013-05-16 20:33:41)

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