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Ticket Resolution Summary Owner Reporter
#10316 obsolete USB hangup with Prolific PL2303 Serial Port sx270169
Description

I have a strange problem concerning programming a Atmel Atmega16 Microcontroller from a Ubuntu 10.10 32 Bit system, running as guest in a Virtualbox 4.1.8. The Virtualbox host is a Ubuntu 11.04 64 Bit system. If programming (using avrdude) with a Programmer based on a FTDI chip, everythings works as desired. When I programm with the same type but new genearation of programmer (inside is a Prolific 2303 IC) then after 3-4 programming actions the programmer hangs up.

I monitored the bytes transfered from avrdude over the /dev/ttyUSB0 on guest over the /dev/ttyUSB3 on host system, using kernel module usbmon and th tool usbdump.

There I can see, that suddenly Virtualbox stops to send the bytes from the guest system to the host system.

Is there anyone, who has some recommendations for me to solve this problem?

Here is the montoring result:

Guest system (Ubuntu 11.10 32 Bit with VirtualBox Guest Addtions 4.1.8)

3.678067 -->2 7: 1b01 0001 0e01 14 3.691069 3<-- 1: 1b 3.693013 3<-- 16: 0100 0b0e 0100 0841 5652 4953 505f 3274 3.988874 -->2 8: 1b02 0002 0e03 9086 9.007678 -->2 7: 1b02 0001 0e01 17

on Host system (Ubuntu 11.04 64 Bit with Virtualbox 4.1.8 r75467:

3.680298 -->2 7: 1b01 0001 0e01 14 3.681245 3<-- 1: 1b 3.682745 3<-- 16: 0100 0b0e 0100 0841 5652 4953 505f 3274

now missing the next 8 bytes (1b02 0002 0e03 9086) and 7 bytes (1b02 0001 0e01 17) sent by the Ubuntu 11.10 guest system.

As result the programmer will not see any request, so it is not sending an response. The programming software avrdude is not getting any response from programmer an will result in the error ...

avrdude: Send: . [1b] . [02] . [00] . [02] . [0e] . [03] . [90] . [86] avrdude: ser_recv(): programmer is not responding avrdude: stk500_2_ReceiveMessage(): timeout avrdude: Send: . [1b] . [02] . [00] . [01] . [0e] . [01] . [17]

#10319 obsolete guest win xp unexpectedly goes on reboot mlg
Description
  1. create a win xp guest
  2. start it
  3. run MS Visual studio configured for winphone development
  4. close the vm, save the state (do not close MS VS)
  5. next day, resume the work under xp
  6. not immediately, but at some point the xp will crash.

(Have seen this twice)

BTW, your Help-About window closes as soon as I try to copy the text or re-type it in another window

#10320 obsolete First VM Not being created donaldrw
Description

Appears to be creating a new VM but when it reaches 100% it goes back to the create screen and there's nothing in the list. Tried reinstalling VB with same results. Tried running as admin and also in safe mode.

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