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Re: [Qemu-devel] [TestDays] s390x emulation error
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [TestDays] s390x emulation error |
Date: |
Thu, 10 Nov 2011 00:17:20 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 |
Am 09.11.2011 23:53, schrieb Andreas Färber:
> I get the following error:
>
> $ s390x-softmmu/qemu-system-s390x
> qemu-system-s390x: Guest moved used index from 0 to 47802
This is coming from hw/virtio.c:
static int virtqueue_num_heads(VirtQueue *vq, unsigned int idx)
{
uint16_t num_heads = vring_avail_idx(vq) - idx;
/* Check it isn't doing very strange things with descriptor numbers. */
if (num_heads > vq->vring.num) {
error_report("Guest moved used index from %u to %u",
idx, vring_avail_idx(vq));
exit(1);
}
return num_heads;
}
Any idea? Couldn't find a related s390-specific patch on the list.
Andreas
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Re: [Qemu-devel] [TestDays] s390x emulation error, Andreas Färber, 2011/11/10