Date: Fri, 11 Oct 2019 16:22:32 -0700 From: Brian Buhrow <buhrow@nfbcal.org> To: freebsd-xen@freebsd.org Subject: Re: i/o is very slow on FreeBSD dom0 with Xen-4.12 and Freebsd-12 Message-ID: <201910112322.x9BNMWlp020596@lothlorien.nfbcal.org> In-Reply-To: <201910112153.x9BLrQSI028763@lothlorien.nfbcal.org>
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hello. Following up on this issue yet again, I'm pretty sure I have the hardware discussed in the link below. I tried disabling interrupt remapping as the article suggests, but that just makes matters worse. As I understand it, when FreeBSD is running as a dom0, it must have iommu interrupt remapping enabled in order to function. Should I conclude that this hardware just cannot run FreeBSD as a dom0 or is there another work around that I might use? -thanks -Brian https://support.citrix.com/article/CTX136517
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