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Boot problem with USB hard disk attached (5 replies)

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So I got a couple of Fantom Gforce/3 Mini drives on sale to go with the $5 Pogo Pro and Mobile I got to make a couple of poor man's NASs for family members. Everything works pretty well except that if I try to boot off a flash drive with the Fantom drive attached, it won't mount the Fantom drive. Here's the relative part of dmesg output:
[   14.399639] udevd[267]: starting version 175
[   18.191004] usb 1-1.2: device descriptor read/64, error -110
[   33.381007] usb 1-1.2: device descriptor read/64, error -110
[   33.571000] usb 1-1.2: new high-speed USB device number 5 using oxnas-ehci
[   48.651005] usb 1-1.2: device descriptor read/64, error -110
[   63.841958] usb 1-1.2: device descriptor read/64, error -110
[   64.031016] usb 1-1.2: new high-speed USB device number 6 using oxnas-ehci
[   74.450593] usb 1-1.2: device not accepting address 6, error -110
[   74.531005] usb 1-1.2: new high-speed USB device number 7 using oxnas-ehci
[   84.950592] usb 1-1.2: device not accepting address 7, error -110
[   84.957012] usb 1-1-port2: unable to enumerate USB device
[   85.268262] random: nonblocking pool is initialized
[   97.280212] stmmaceth 40400000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx

After much research, it appears that the "error -110" is some kind of power issue, although I wonder about that since I get the same error even if the drive is connected to a powered hub and then to the Pogo.

Short of using a different drive, anyone have any ideas?

-JT

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