Re: USB serial regression 2.6.31.1 -> 2.6.31.2

From: Josua Dietze
Date: Sat Oct 10 2009 - 04:11:56 EST


Benjamin Herrenschmidt schrieb:


The symptom is that the USB modem just disconnects/reconnects in a loop.
The log looks like what I pasted below when plugging the device (and
leaving it in, the disconnects don't correspond to the device being
removed).


This is one of the mode switching devices. It is switched to modem mode by "usb_stor_huawei_e220_init".

Something keeps resetting it to initial mode. It might be a powersave/suspend issue.


Josua Dietze
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