Guys:
Over the last few weeks I've gone from a perfectly-functional ts-7260
board with Crapet's 2.6.27 kernel to one that more often than not stops
here:
...
INIT: version 2.86 booting
usb 1-1: reset full speed USB device using ep93xx-ohci and address 2
usb 1-1: reset full speed USB device using ep93xx-ohci and address 2
usb 1-1: device descriptor read/64, error -110
usb 1-1: device descriptor read/64, error -110
usb 1-1: reset full speed USB device using ep93xx-ohci and address 2
usb 1-1: device descriptor read/64, error -110
usb 1-1: device descriptor read/64, error -110
usb 1-1: reset full speed USB device using ep93xx-ohci and address 2
usb 1-1: device not accepting address 2, error -110
usb 1-1: reset full speed USB device using ep93xx-ohci and address
2
...
The problem is intermittent, but growing more frequent to the point that
it's almost 100% repeatable now. The root filesystem is coming from a
micro-SD card plugged into a USB adapter, and that's the only device on
the USB bus--- so the above error messages are related to that device.
If I plug the same USB adapter and card into my Linux PC, it works fine
and no errors are reported.
I've tried other cards and USB adapters, including ordinary USB flash
drives that are known to work on my Linux workstation. I've tried
different power supplies, ranging from 12V down to 5V with no success.
I've tried powered USB hubs that are known to work with Linux (I've
tested them on other platforms, including ARM machines). NOTHING in
this system has changed recently, either hardware-wise or
software-wise. It's just been doing the occasional reboots as I test
out user application code. I'm stumped, especially with the fact that
it's been a progressive decline.
For what it's worth, error -110 is ETIMEDOUT according to errno.h.
Anyone have any ideas what might be going on? Is anyone else seeing a
similar problem? I'm aware of at least one other board in addition to
my own that's beginning to show the same symptoms.
Kindest regards,
b.g.
--
Bill Gatliff
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