berger,
you run 32 linux on 64b HV, right?
i can reproduce this bug in such combination on latest change set, but have no
console MFN & set maxmem err msg.
i doubt some memory restore issue here.
thanks,
On Sat, Jan 27, 2007 at 11:57:09AM -0500, Stefan Berger wrote:
> I tried suspend/resume with a Linux guest with 1 processor.
>
> I get the following errors in xend's log file upon resume.
>
> [...]
> [2007-01-27 11:44:06 3629] DEBUG (XendDomainInfo:775) Storing domain
> details: {'console/port': '3', 'name': 'TCG-TEST', 'console/limit':
> '1048576', 'vm': '/vm/b0aaf4ff-ede8-994d-551c-23da391edbf2', 'domid': '4',
> 'cpu/0/availability': 'online', 'memory/target': '196608', 'store/port':
> '2'}
> [2007-01-27 11:44:06 3629] INFO (XendCheckpoint:207) restore hvm domain 4,
> mem=192, apic=1, pae=1
> [2007-01-27 11:44:06 3629] DEBUG (XendCheckpoint:226) restore:shadow=0x3,
> _static_max=0xd0, _static_min=0xc0, nr_pfns=0xc000.
> [2007-01-27 11:44:06 3629] DEBUG (balloon:127) Balloon: 258044 KiB free;
> need 199680; done.
> [2007-01-27 11:44:06 3629] DEBUG (XendCheckpoint:236) [xc_restore]:
> /usr/lib/xen/bin/xc_restore 22 4 49152 2 3 192 1 1
> [2007-01-27 11:44:06 3629] INFO (XendCheckpoint:340) xc_hvm_restore:dom=4,
> nr_pfns=0xc000, store_evtchn=2, *store_mfn=192, console_evtchn=3,
> *console_mfn=-1208080352, pae=1, apic=1.
> [2007-01-27 11:44:06 3629] INFO (XendCheckpoint:340) xc_hvm_restore start:
> max_pfn = c000, max_mfn = 3f700, hvirt_start=f5800000, pt_levels=3
> [2007-01-27 11:44:07 3629] INFO (XendCheckpoint:340) hvm restore:calculate
> new store_mfn=0xbffe,v_end=0xc000000..
> [2007-01-27 11:44:07 3629] INFO (XendCheckpoint:340) hvm restore:get
> nr_vcpus=1.
> [2007-01-27 11:44:07 3629] INFO (XendCheckpoint:340) Restore exit with
> rc=0
> [2007-01-27 11:44:07 3629] DEBUG (XendCheckpoint:311) store-mfn 49150
> [2007-01-27 11:44:07 3629] DEBUG (XendCheckpoint:311) console-mfn
> -1208080352
> [2007-01-27 11:44:07 3629] DEBUG (XendDomainInfo:1558)
> XendDomainInfo.destroy: domid=4
> [2007-01-27 11:44:07 3629] DEBUG (XendDomainInfo:1566)
> XendDomainInfo.destroyDomain(4)
> [2007-01-27 11:44:07 3629] ERROR (XendDomain:1030) Restore failed
> Traceback (most recent call last):
> File "//usr/lib/python/xen/xend/XendDomain.py", line 1025, in
> domain_restore_fd
> return XendCheckpoint.restore(self, fd, paused=paused)
> File "//usr/lib/python/xen/xend/XendCheckpoint.py", line 243, in restore
> raise XendError('Could not read store/console MFN')
> XendError: Could not read store/console MFN
>
> In the qemu dm's log file I see this here --- notice the 'error 22':
>
> domid: 3
> qemu: the number of cpus is 1
> qemu_map_cache_init nr_buckets = c00
> shared page at pfn:bfff
> buffered io page at pfn:bffd
> xs_read(): vncpasswd get error.
> /vm/b0aaf4ff-ede8-994d-551c-23da391edbf2/vncpasswd.
> I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
> suspend sig handler called with requested=0!
> device model received suspend signal!
> set maxmem returned error 22
> cirrus_stop_acc:unset_vram_mapping.
>
> 'xm dmesg' shows this here (trying multiple times to resume):
>
> (XEN) HVM S/R Loading "xen_hvm_i8259" instance 0x20
> (XEN) HVM S/R Loading "xen_hvm_i8259" instance 0xa0
> (XEN) HVM S/R Loading "xen_hvm_ioapic" instance 0x0
> (XEN) HVM S/R Loading "xen_hvm_cpu" instance 0x0
> (XEN) HVM S/R Loading "xen_hvm_lapic" instance 0x0
> (XEN) HVM S/R Loading "xen_hvm_i8254" instance 0x40
> (XEN) HVM S/R Loading "xen_hvm_shpage" instance 0x10
> (XEN) HVM S/R Loading "xen_hvm_i8259" instance 0x20
> (XEN) HVM S/R Loading "xen_hvm_i8259" instance 0xa0
> (XEN) HVM S/R Loading "xen_hvm_ioapic" instance 0x0
> (XEN) HVM S/R Loading "xen_hvm_cpu" instance 0x0
> (XEN) HVM S/R Loading "xen_hvm_lapic" instance 0x0
> (XEN) HVM S/R Loading "xen_hvm_i8254" instance 0x40
> (XEN) HVM S/R Loading "xen_hvm_shpage" instance 0x10
>
> Stefan
>
> xen-devel-bounces@xxxxxxxxxxxxxxxxxxx wrote on 01/27/2007 08:53:07 AM:
>
> > Mats,
> >
> > at least 32b up windows on 32b HV save/restore works here.
> >
> > what's your configuration? 32 or 64 windows/HV? up or smp?
> >
> > BTW, can you have a try with linux guest?
> >
> >
> > On Fri, Jan 26, 2007 at 06:41:13PM +0100, Petersson, Mats wrote:
> > > I got latest (13601) yesterday evening. This doesn't seem to work to
> do
> > > Restore (at least of the Windows test-image that I've been using for
> > > testing previously).
> > >
> > > The VM restores reasonably OK, but it jumps to an invalid address
> > > shortly after restoring, giving a D1 blue-screen error
> > > (DRIVER_IRQL_LESS_OR_EQUAL), which turns out to be "page-fault in
> > > driver" after I looked at the memory dump in windbg. (The address it
> > > jumps to is consistenly a0000ca5, if that's of any meaning to anyone).
> > >
> > > I've compared my svm.c that I had previously and the current one that
> I
> > > got from mercurial, and they are identical.
> > >
> > > I went back to my 13568 build of the hypervisor, and it works there...
> > > There's no obvious changes in between...
> > >
> > > Has anyone else tried this, does anyone have an idea of what's going
> > > wrong?
> > >
> > > --
> > > Mats
> > >
> > >
> > >
> > > _______________________________________________
> > > Xen-devel mailing list
> > > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-devel
> > >
> >
> > --
> > best rgds,
> > edwin
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
--
best rgds,
edwin
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