[Bug 1853898] [NEW] qemu/hw/scsi/lsi53c895a.c:417: lsi_soft_reset: Assertion `QTAILQ_EMPTY(&s->queue)' failed.

[Tony Asleson]

Public bug reported:

While experimenting with blkdebug I can consistently hit this assertion
in lsi53c895a.c.

Using locally built from master, commit:
2061735ff09f9d5e67c501a96227b470e7de69b1

Steps to reproduce

$ qemu-img create -f raw empty.raw 8G
$ sudo losetup -f --show empty.raw
$ sudo mkfs.ext3 /dev/loop0
$ sudo losetup -D

$ cat blkdebug.conf 
[inject-error]
event = "read_aio"
errno = "5"

$ qemu-system-x86_64 -enable-kvm -m 2048 -cpu host -smp 4 -nic
user,ipv6=off,model=e1000,hostfwd=tcp::2222-:22,net=172.16.0.0/255.255.255.0
-device lsi53c895a,id=scsi -device scsi-hd,drive=hd,wwn=12345678 -drive
if=scsi,id=hd,file=blkdebug:blkdebug.conf:empty.raw,cache=none,format=raw
-cdrom Fedora-Server-dvd-x86_64-31-1.9.iso -display gtk

Initiate install from cdrom ISO image results in:

qemu-system-x86_64: /builddir/build/BUILD/qemu-3.1.1/hw/scsi/lsi53c895a.c:381: 
lsi_soft_reset: Assertion `QTAILQ_EMPTY(&s->queue)' failed.
Aborted (core dumped)

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1853898

Title:
  qemu/hw/scsi/lsi53c895a.c:417: lsi_soft_reset: Assertion
  `QTAILQ_EMPTY(&s->queue)' failed.

Status in QEMU:
  New

Bug description:
  While experimenting with blkdebug I can consistently hit this
  assertion in lsi53c895a.c.

  Using locally built from master, commit:
  2061735ff09f9d5e67c501a96227b470e7de69b1

  Steps to reproduce

  $ qemu-img create -f raw empty.raw 8G
  $ sudo losetup -f --show empty.raw
  $ sudo mkfs.ext3 /dev/loop0
  $ sudo losetup -D

  $ cat blkdebug.conf 
  [inject-error]
  event = "read_aio"
  errno = "5"

  $ qemu-system-x86_64 -enable-kvm -m 2048 -cpu host -smp 4 -nic
  user,ipv6=off,model=e1000,hostfwd=tcp::2222-:22,net=172.16.0.0/255.255.255.0
  -device lsi53c895a,id=scsi -device scsi-hd,drive=hd,wwn=12345678
  -drive
  if=scsi,id=hd,file=blkdebug:blkdebug.conf:empty.raw,cache=none,format=raw
  -cdrom Fedora-Server-dvd-x86_64-31-1.9.iso -display gtk

  Initiate install from cdrom ISO image results in:

  qemu-system-x86_64: 
/builddir/build/BUILD/qemu-3.1.1/hw/scsi/lsi53c895a.c:381: lsi_soft_reset: 
Assertion `QTAILQ_EMPTY(&s->queue)' failed.
  Aborted (core dumped)

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