[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] xm pci-detach lockup
On Mon, Dec 22, 2008 at 2:37 PM, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote: > Hi, > > I have a NEC USB2 PCIx card which I assign to a Vista HVM by adding > pci = [ '0000:02:01.0', '0000:02:01.1', '0000:02:01.2' ] to the config > file, the card works well in Vista but if I try to detach it, destroy > the domain without shutting it down, or if the domain crashes, then > the entire machine locks up, I have a serial console setup but it is > completely unresponsive. > > Combined with the issue that when the machine is under heavy load > Vista sometimes BSOD with "A clock interrupt was not received on a > secondary processor" this causes the system to lockup frequently :(. > > I made sure to trigger safe removal of the device before detaching it. > > Perhaps all 3 functions of the card need to be detached at the same > time? or am I wrong in assigning all 3 in the first place? they are > all listed when I run xm pci-list-assignable-devices and it seems to > be necessary to assign all 3. > > Assigning the device by adding the setting to the config file, or > using xm pci-attach after the domain has booted does work, only > detaching causes the lockup. > > This happens on my main workstation which is a Supermicro X7DWA-N > running Xen 3.3.1 rc4 (also tried 3.3 with fix for "ValueError: > unsupported format character ':' (0x3a) at index 6" and > fix_find_parent.patch), I usually use my own Gentoo ebuild for Xen > dom0 kernel which is 2.6.27.8 with the openSUSE Xen patches rebased to > apply to vanilla without any of the other patches that openSUSE kernel > usually applies, but I have also tried using the interim 2.6.27 kernel > from http://xenbits.xensource.com/ext/linux-2.6.27-xen.hg with the > same result. > > I replicated the problem on a Dell Optiplex 755 using the same > versions of Xen and kernel, but using a dlink network card which is > assigned as a single function (0000:02:01.0), it behaved exactly the > same, lockup on xm-detach. > > I seem to recall a commit recently for "hypervisor panic on domain > destory with passthru", but I cannot find it, anybody know where i can > find it and if it may help? > Maybe this is the one: http://xen.markmail.org/search/?q=panic#query:panic list%3Acom.xensource.lists.xen-devel+page:2+mid:tfphqwwdstovpq5u+state:results > Thanks > Andy > > Andy > > _______________________________________________ > Xen-users mailing list > Xen-users@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-users > -- Todd Deshane http://todddeshane.net http://runningxen.com _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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