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[Qemu-devel] [Bug 1653384] Re: Assertion failed with USB pass through wi


From: Bug Watch Updater
Subject: [Qemu-devel] [Bug 1653384] Re: Assertion failed with USB pass through with XHCI controller
Date: Thu, 02 Mar 2017 11:15:55 -0000

** Changed in: qemu (Debian)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1653384

Title:
  Assertion failed with USB pass through with XHCI controller

Status in QEMU:
  Fix Committed
Status in qemu package in Debian:
  Fix Released

Bug description:
  Starting qemu 2.8.0 with XHCI controller and host device passed
  through results in an assertion failure:

  qemu-system-x86_64: hw/usb/core.c:623: usb_packet_cleanup: Assertion
  `!usb_packet_is_inflight(p)' failed.

  Can be reproduced with the following command (passing through a Lenovo
  keyboard):

  qemu-system-x86_64 -usb  -device nec-usb-xhci,id=usb -device usb-
  host,vendorid=0x04b3,productid=0x3025,id=hostdev0,bus=usb.0,port=1

  If nec-usb-xhci is changed to usb-ehci, qemu tries to boot without
  assertion failures.

  
  Can be reproduced with the latest master (commit dbe2b65) and v2.8.0.

  Bisected the issue to following commit:
  first bad commit: [94b037f2a451b3dc855f9f2c346e5049a361bd55] xhci: use linked 
list for transfers

  
  Backtrace from commit dbe2b65:

  #0  0x00007f2eb4657227 in __GI_raise (address@hidden) at 
../sysdeps/unix/sysv/linux/raise.c:55
          resultvar = 0
          pid = 3453
          selftid = 3453
  #1  0x00007f2eb465867a in __GI_abort () at abort.c:89
          save_stage = 2
          act = {__sigaction_handler = {sa_handler = 0x4, sa_sigaction = 0x4}, 
sa_mask = {__val = {140734740550528, 93876690035339, 
                140734740550624, 48833659808, 0, 0, 0, 21474836480, 
140734740550792, 139838573009553, 140734740550560, 139838573043008, 
                139838573024160, 93876666665872, 139838702616576, 
139838573024160}}, sa_flags = 1528954938, 
            sa_restorer = 0x55615b2202c0 <__PRETTY_FUNCTION__.38612>}
          sigs = {__val = {32, 0 <repeats 15 times>}}
  #2  0x00007f2eb46502cd in __assert_fail_base (fmt=0x7f2eb47893a0 "%s%s%s:%u: 
%s%sAssertion `%s' failed.\n%n", 
      address@hidden "!usb_packet_is_inflight(p)", address@hidden 
"hw/usb/core.c", address@hidden, 
      address@hidden <__PRETTY_FUNCTION__.38612> "usb_packet_cleanup") at 
assert.c:92
          str = 0x55615cfdf510 ""
          total = 4096
  #3  0x00007f2eb4650382 in __GI___assert_fail (assertion=0x55615b22003a 
"!usb_packet_is_inflight(p)", file=0x55615b21fdf0 "hw/usb/core.c", 
      line=619, function=0x55615b2202c0 <__PRETTY_FUNCTION__.38612> 
"usb_packet_cleanup") at assert.c:101
  No locals.
  #4  0x000055615afc385e in usb_packet_cleanup ()
  No symbol table info available.
  #5  0x000055615afda555 in xhci_ep_free_xfer ()
  No symbol table info available.
  #6  0x000055615afdc156 in xhci_kick_epctx ()
  No symbol table info available.
  #7  0x000055615afda099 in xhci_ep_kick_timer ()
  No symbol table info available.
  #8  0x000055615b08ceee in timerlist_run_timers ()
  No symbol table info available.
  #9  0x000055615b08cf36 in qemu_clock_run_timers ()
  No symbol table info available.
  #10 0x000055615b08d2df in qemu_clock_run_all_timers ()
  No symbol table info available.
  #11 0x000055615b08be40 in main_loop_wait ()
  No symbol table info available.
  #12 0x000055615ae3870f in main_loop ()
  No symbol table info available.
  #13 0x000055615ae4027b in main ()

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