[Qemu-devel] [Bug 1191606] Re: qemu crashes with iscsi initiator (libiscsi) when using virtio

[Klaus Hochlehnert]

Without debug information I just can provide this (on that server I
can't recompile qemu with debugging information):

warning: no loadable sections found in added symbol-file system-supplied DSO at 
0x7fffe67fe000
0x00007f1bca857313 in poll () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) c
Continuing.
[New Thread 0x7f1bb9a64700 (LWP 36180)]
[Thread 0x7f1bb9a64700 (LWP 36180) exited]
[New Thread 0x7f1bb9a64700 (LWP 36181)]
[Thread 0x7f1bb9a64700 (LWP 36181) exited]
[New Thread 0x7f1bb9a64700 (LWP 36207)]

Program received signal SIGABRT, Aborted.
0x00007f1bca7a5425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) c
Continuing.
[Thread 0x7f1bd023b940 (LWP 36119) exited]
[Thread 0x7f1bb9a64700 (LWP 36207) exited]
[Thread 0x7f1bc1e3c700 (LWP 36132) exited]
[Thread 0x7f1bbafff700 (LWP 36135) exited]

Program terminated with signal SIGABRT, Aborted.
The program no longer exists.

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https://bugs.launchpad.net/bugs/1191606

Title:
  qemu crashes with iscsi initiator (libiscsi) when using virtio

Status in QEMU:
  New

Bug description:
  I just tested qemu (with kvm) with an iscsi disk using libiscsi.

  I tried to install Ubuntu 12.04 as guest and when it comes to the disk
  configuration during the installation qemu crashes without any notice.
  No log, no dump.

  In the log of the iscsi-target I found this:
  iscsi-scst: ***ERROR***: Connection with initiator 
iqn.2013-06.de.test:testsrv01 unexpectedly closed!

  qemu version 1.5.0
  libiscsi version 1.9.0
  Host OS: Ubuntu 12.04 with 13.04-Kernel (3.8)
  iSCSI-target: SCST 2.2.x

  qemu command line:
  /usr/bin/kvm ... -drive 
file=iscsi://192.168.x.x/iqn.2006-10.de.test:test/0,if=virtio,bus=0,unit=0,cache=none,media=disk,aio=native
 -iscsi initiator-name=iqn.2013-06.de.test:testsrv01,header-digest=CRC32C-NONE 
...

  When choosing IDE instead of VIRTIO it doesn't crash when scanning the
  disks...

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