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Re: [Qemu-devel] [Bug 1191606] Re: qemu crashes with iscsi initiator (li
From: |
ronnie sahlberg |
Subject: |
Re: [Qemu-devel] [Bug 1191606] Re: qemu crashes with iscsi initiator (libiscsi) when using virtio |
Date: |
Tue, 18 Jun 2013 21:34:39 -0700 |
I can reproduce with current QEMU.
Ubuntu 13 crashes with if=virtio but if=ide is fine.
But it seems dependent on the guest/kernel.
For example Fedora-18-x86_64-Live-Desktop.iso installs and runs just
fine, even with virtio
But both ubuntu-12.04-desktop-amd64.iso or
ubuntu-13.04-desktop-amd64.iso crash with if=virtio
Stack backtrace I got is
#0 0x00007f7a9e22d037 in __GI_raise (address@hidden)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007f7a9e230698 in __GI_abort () at abort.c:90
#2 0x00007f7aa0a93ec8 in qemu_ram_addr_from_host_nofail (
address@hidden) at /DATA/SRC/qemu-kvm/qemu/exec.c:1399
#3 0x00007f7aa0a94a50 in address_space_unmap (as=<optimised out>,
buffer=0x2020202024008000, len=<optimised out>, is_write=<optimised out>,
access_len=1) at /DATA/SRC/qemu-kvm/qemu/exec.c:2155
#4 0x00007f7aa0a94bef in cpu_physical_memory_unmap (buffer=<optimised out>,
len=<optimised out>, is_write=<optimised out>, access_len=<optimised out>)
at /DATA/SRC/qemu-kvm/qemu/exec.c:2189
#5 0x00007f7aa0ad7867 in virtqueue_fill (address@hidden,
address@hidden, len=1, address@hidden)
at /DATA/SRC/qemu-kvm/qemu/hw/virtio/virtio.c:243
#6 0x00007f7aa0ad79cf in virtqueue_push (vq=0x7f7aa34277f0,
address@hidden, len=<optimised out>)
at /DATA/SRC/qemu-kvm/qemu/hw/virtio/virtio.c:279
#7 0x00007f7aa0aa9989 in virtio_blk_req_complete (
address@hidden, address@hidden)
at /DATA/SRC/qemu-kvm/qemu/hw/block/virtio-blk.c:49
#8 0x00007f7aa0aa9ffb in virtio_blk_handle_request (
address@hidden, address@hidden)
at /DATA/SRC/qemu-kvm/qemu/hw/block/virtio-blk.c:376
---Type <return> to continue, or q <return> to quit---
#9 0x00007f7aa0aaa625 in virtio_blk_handle_output (vdev=<optimised out>,
vq=<optimised out>) at /DATA/SRC/qemu-kvm/qemu/hw/block/virtio-blk.c:412
#10 0x00007f7aa0a17c0e in qemu_iohandler_poll (pollfds=0x7f7aa335f800,
address@hidden) at iohandler.c:143
#11 0x00007f7aa0a181a6 in main_loop_wait (nonblocking=<optimised out>)
at main-loop.c:466
#12 0x00007f7aa08f6fb9 in main_loop () at vl.c:2028
#13 main (argc=<optimised out>, argv=<optimised out>, envp=<optimised out>)
at vl.c:4425
On Tue, Jun 18, 2013 at 12:36 PM, Laszlo Ersek <address@hidden> wrote:
> On 06/18/13 20:01, Klaus Hochlehnert wrote:
>> I'll see what I can do to recompile qemu with debugging information.
>> Maybe tomorrow.
>>
>> But one other question. I thought this is the "normal" qemu bug
>> reporting or is it Ubuntu only? I tried with the latest release and
>> followed the "Report a bug"-link from the qemu web site.
>
> The tracker on launchpad is for upstream bugs, AFAIK. I only referred to
> Ubuntu because that was your host OS and because for a while I wasn't
> aware that your qemu version was independent from your host OS.
>
> The main thing is the debug symbols. Since for a while I was assuming
> that you had run into the abort() with your distro's qemu package, I
> tried to help with your distro's debug symbols for qemu.
>
> Thanks
> Laszlo
>
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