sata problem in kvm-qemu
Markus Pfeiffer
markus.pfeiffer at morphism.de
Fri Aug 7 13:40:12 PDT 2015
Hai,
On Fri, Aug 07, 2015 at 11:22:21PM +0300, Dmitriy Tochansky wrote:
> Hi there!
>
> Playing around dfly in qemu-kvm and see strange behavior with sata.
> I have to identical virt-machines on one hardware host. The only
> difference is that one virtual machine emulated sata and another "uses"
> ide disk.
No clue why the sata is misbehaving, but can't you just use the virtio
devices? They do work, I am using them right now...
Cheers,
Markus
>
> In dmesg of "sata"-machine appears:
> ------------
> ahci0.0: CMD TIMEOUT state=5 slot=9
> glb-status 0x00000000
> cmd-reg 0xc017<CR,FR,FRE,POD,SUD,ST>
> port_status 0x4<DSS>
> sactive=00000200 active=00000000 expired=00000000
> sact=00000000 ci=00000000
> STS=50
> ahci0.0: disk_rw: timeout
> ahci0.0: CMD TIMEOUT state=5 slot=6
> glb-status 0x00000000
> cmd-reg 0xc017<CR,FR,FRE,POD,SUD,ST>
> port_status 0x4<DSS>
> sactive=00000040 active=00000000 expired=00000000
> sact=00000000 ci=00000000
> STS=50
> ----------
> and so on.
>
> Hardware host seems to be fine - several machines work nice, some of
> them uses "sata" but OS is linux.
>
> toch at h2% uname -a
> DragonFly h2.tochlab.net 4.2-RELEASE DragonFly 9f8828a-RELEASE #2: Fri
> Aug 7 23:02:06 MSK 2015
> toch at h2.tochlab.net:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64
>
>
> --
> dtoch
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