[Bug 1707587] Re: Read certificate from USB key failed

[Thomas Huth]

The QEMU project is currently considering to move its bug tracking to another 
system. For this we need to know which bugs are still valid and which could be 
closed already. Thus we are setting older bugs to "Incomplete" now.
If you still think this bug report here is valid, then please switch the state 
back to "New" within the next 60 days, otherwise this report will be marked as 
"Expired". Thank you and sorry for the inconvenience.

** Changed in: qemu
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1707587

Title:
  Read certificate from USB key failed

Status in QEMU:
  Incomplete

Bug description:
  QEMU release version: qemu-2.9.0
  VM operation system: win7 32bit

  I have an usb key which can be redirected and recognized in VM.
  However, it is failed to get the certificate when using the official
  application for this usb key. What's more, the whole app is stalled
  untill this usb key detached from VM.

  As I researched, this usb key uses interrupt transfers when
  application trying to read certificate from it. Problem is that some
  certificate data abandoned by "usbredir_stop_interrupt_receiving" and
  "usbredir_stop_ep". The two functions use "usbredir_free_bufpq" to
  clear the buffered usb packets, even the certificate remain in the
  bufpq.

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