Bug#605275: EeePC 1005HAG still freezes when probing the builtin 3G modem
On Tue, Feb 28, 2012 at 19:19, Dan Williams <dcbw@redhat.com> wrote:
> On Tue, 2012-02-28 at 11:14 +0100, Maik Zumstrull wrote:
>> ttyUSB0 acts like a modem. That it opens instantly holds with picocom
>> as well, the other ones hang for a bit.
>> ttyUSB1 doesn't seem to take AT commands (no response).
>> ttyUSB2 takes AT commands.
>>
>> Both AT-capable ports reply "COMMAND NOT SUPPORT" [sic] to AT^GETPORTMODE.
>
> But ttyUSB2 still has the close() blocking problem while ttyUSB0 does
> not?
Yes. ttyUSB2 has the same functionality as 0 and the same timing issues as 1.
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