0
votes
1answer
351 views

diskutil eraseDisk results in Error: 12: POSIX reports: Cannot allocate memory

I'm trying to format my usb drive that is partitioned with FAT32 by the following command in Terminal: $ diskutil eraseDisk JHFS+ UntitledUFS disk1 However, I get this output: Started erase on ...
7
votes
6answers
27k views

“USB device drawing too much power” error on startup with no devices connected

Since upgrading to Lion, I get this error every time I start up: I've read the answers suggested here, but they seem to indicate that it's the presence of a second device that's causing the ...
4
votes
3answers
8k views

Timeouts in AppleUSBEHCI - how can I find out what is causing this?

I'm getting timeouts on my USB every few seconds like this: Jan 8 22:07:43 Thorstens-MacBook kernel[0]: USBF: 1722. 27 AppleUSBEHCI[0xffffff800b8b2000]::Found a transaction past the completion ...
1
vote
1answer
2k views

Pen drive does not show on mac on attaching but show error on removal?

My problem is that when I attach my pen drive to any of the ports on my Mac, it won't show up on my Mac, but when I remove the pen drive, it shows the error, "The disk was not ejected properly. If ...