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[Qemu-devel] [Bug 1810000] Re: qemu system emulator crashed with the att


From: Thomas Huth
Subject: [Qemu-devel] [Bug 1810000] Re: qemu system emulator crashed with the attachment of usb-bt-dongle device
Date: Wed, 02 Jan 2019 11:08:33 -0000

Thanks for the bug report! Unfortunately, the bluetooth code in QEMU is
completely unmaintained and quite bit-rotten already, so it is already
marked as deprecated and will be removed soon unless somebody steps up
and volunteers to maintain it:

 https://qemu.weilnetz.de/doc/qemu-doc.html#bluetooth-_0028since-
3_002e1_0029

For the time being, you likely have to use "-device pci-ohci" instead of
"-device qemu-xhci" if you want to try to use it...

-- 
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https://bugs.launchpad.net/bugs/1810000

Title:
  qemu system emulator crashed with the attachment of usb-bt-dongle
  device

Status in QEMU:
  New

Bug description:
  I am testing usb-bt-dongle device on xchi host controller, and found
  that the qemu crashed directly with an assertion failer.

  Here is the information to reproduce the crash:

  Qemu git revision: 9b2e891ec5ccdb4a7d583b77988848282606fdea
  System emulator: qemu-x86_64
  VM image: 
https://people.debian.org/~aurel32/qemu/amd64/debian_squeeze_amd64_desktop.qcow2
  CommandLine: qemu-system-x86_64 -M q35 -device qemu-xhci,id=xhci -enable-kvm 
-device usb-bt-dongle  -hda ./debian_wheezy_amd64_standard.qcow2

  Error message:

  qemu-system-x86_64: /build/qemu-
  Eap4uc/qemu-2.11+dfsg/hw/usb/core.c:592: usb_packet_copy: Assertion
  `p->actual_length + bytes <= iov->size' failed.

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