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Re: [Qemu-devel] [Bug 1191606] Re: qemu crashes with iscsi initiator (li
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] [Bug 1191606] Re: qemu crashes with iscsi initiator (libiscsi) when using virtio |
Date: |
Wed, 19 Jun 2013 11:17:24 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130513 Thunderbird/17.0.6 |
On 06/19/13 06:34, ronnie sahlberg wrote:
> 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
Can you try the attached patch? It will produce quite a bit of output on
stderr.
Thanks
Laszlo
0001-log-map-unmap-in-virtqueue_map_sg-and-virtqueue_fill.patch
Description: Text document
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