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[Qemu-devel] [Bug 1800786] Re: USB assertion `s->csw.sig == cpu_to_le32(


From: Launchpad Bug Tracker
Subject: [Qemu-devel] [Bug 1800786] Re: USB assertion `s->csw.sig == cpu_to_le32(0x53425355)' failed
Date: Sat, 05 Jan 2019 04:17:39 -0000

[Expired for QEMU because there has been no activity for 60 days.]

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

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https://bugs.launchpad.net/bugs/1800786

Title:
  USB assertion `s->csw.sig == cpu_to_le32(0x53425355)' failed

Status in QEMU:
  Expired

Bug description:
  Qemu crashed after starting and stopping VM for many times, and the
  final log shows below.

  qemu-system-x86_64: hw/usb/dev-storage.c:236: usb_msd_send_status: Assertion 
`s->csw.sig == cpu_to_le32(0x53425355)' failed.
  2018-10-05 15:33:11.261+0000: shutting down

  I got the back trace in coredump file:

  -----------------------back trace----------------------------------------
  #0 0x00007fc890e6cff9 in __GI_raise (address@hidden) 
      at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 
  #1 0x00007fc890e700f8 in __GI_abort () at abort.c:89 
  #2 0x00007fc890e66216 in __assert_fail_base ( 
      fmt=0x7fc890f9dfc0 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", 
      address@hidden "s->csw.sig == cpu_to_le32(0x53425355)", address@hidden 
"hw/usb/dev-storage.c", 
      address@hidden, 
      address@hidden <__PRETTY_FUNCTION__.29765> "usb_msd_send_status") at 
assert.c:92 
  #3 0x00007fc890e662c2 in __GI___assert_fail ( 
      address@hidden "s->csw.sig == cpu_to_le32(0x53425355)", address@hidden 
"hw/usb/dev-storage.c", 
      address@hidden, 
      address@hidden <__PRETTY_FUNCTION__.29765> "usb_msd_send_status") at 
assert.c:101 
  #4 0x00007fc8955dee12 in usb_msd_send_status (s=0x7fc8961588f0, 
      p=<optimized out>) at hw/usb/dev-storage.c:236 
  #5 0x00007fc8955df092 in usb_msd_handle_data (dev=0x7fc8961588f0, 
      p=0x7fc896105260) at hw/usb/dev-storage.c:507 
  #6 0x00007fc8955d5940 in usb_handle_packet (dev=<optimized out>, 
      address@hidden) at hw/usb/core.c:407 
  #7 0x00007fc8955ea8a8 in uhci_handle_td (address@hidden, 
  ---Type <return> to continue, or q <return> to quit--- 
      q=0x7fc896197c90, address@hidden, address@hidden, 
      address@hidden, td_addr=<optimized out>, 
      address@hidden) at hw/usb/hcd-uhci.c:911 
  #8 0x00007fc8955eada9 in uhci_process_frame (address@hidden) 
      at hw/usb/hcd-uhci.c:1091 
  #9 0x00007fc8955eaff5 in uhci_frame_timer (opaque=0x7fc896133080) 
      at hw/usb/hcd-uhci.c:1190 
  #10 0x00007fc895636c69 in timerlist_run_timers (timer_list=0x7fc896093af0) 
      at qemu-timer.c:491 
  #11 0x00007fc895636f01 in qemu_clock_run_timers (type=<optimized out>) 
      at qemu-timer.c:502 
  #12 qemu_clock_run_all_timers () at qemu-timer.c:608 
  #13 0x00007fc8955f9b0c in main_loop_wait (nonblocking=<optimized out>) 
      at main-loop.c:507 
  #14 0x00007fc8954bc750 in main_loop () at vl.c:2021 
  #15 main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) 
      at vl.c:4447 
  
-------------------------------------------------------------------------------

  QEMU release version: 1.7.2

  QEMU command:

  qemu-system-x86_64 -enable-kvm -name guest=guest,debug-threads=on -S
  -object
  secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-42-guest
  /master-key.aes -machine pc-i440fx-xenial,accel=kvm,usb=off,dump-
  guest-core=off -cpu IvyBridge-
  
IBRS,ss=on,vmx=on,pcid=on,hypervisor=on,arat=on,tsc_adjust=on,ssbd=on,xsaveopt=on
  -m 1024 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid
  f4fdccb5-8c59-441f-9a78-83d23fbc34f6 -no-user-config -nodefaults
  -chardev
  
socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-42-guest/monitor.sock,server,nowait
  -mon chardev=charmonitor,id=monitor,mode=control -rtc
  base=utc,driftfix=slew -global kvm-pit.lost_tick_policy=delay -no-hpet
  -no-shutdown -global PIIX4_PM.disable_s3=1 -global
  PIIX4_PM.disable_s4=1 -boot menu=off,strict=on -kernel
  /nfsroot/rootfs/root/bzImage -initrd /nfsroot/rootfs/root/wrlinux-
  image-initramfs-x86-64-kvm-guest.cpio.gz -device piix3-usb-
  uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device
  lsi,id=scsi0,bus=pci.0,addr=0x7 -device
  ahci,id=sata0,bus=pci.0,addr=0x6 -device virtio-serial-pci,id=virtio-
  serial0,bus=pci.0,addr=0x5 -drive file=/nfsroot/rootfs.ovp6/wrlinux-
  image-ovp-kvm-
  intel-x86-64-20181015084008.rootfs.ext3,format=raw,if=none,id=drive-
  usb-disk0 -device usb-storage,bus=usb.0,port=1,drive=drive-usb-
  disk0,id=usb-disk0,bootindex=1,removable=off -netdev
  tap,fd=26,id=hostnet0 -device
  e1000,netdev=hostnet0,id=net0,mac=52:54:00:93:6b:0c,bus=pci.0,addr=0x3
  -chardev pty,id=charserial0 -device isa-
  serial,chardev=charserial0,id=serial0 -chardev
  spicevmc,id=charchannel0,name=vdagent -device virtserialport,bus
  =virtio-
  serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0
  -spice port=5900,addr=127.0.0.1,disable-ticketing,image-
  compression=off,seamless-migration=on -device qxl-
  
vga,id=video0,ram_size=67108864,vram_size=67108864,vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pci.0,addr=0x2
  -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-
  duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device virtio-balloon-
  pci,id=balloon0,bus=pci.0,addr=0x8 -msg timestamp=on

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