Re: [win-pv-devel] Blue screen on xenvif install

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx [mailto:win-pv-devel-
> bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of Fabio Fantoni
> Sent: 16 October 2014 16:05
> To: Paul Durrant; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: [win-pv-devel] Blue screen on xenvif install
> 
> Il 16/10/2014 16:54, Paul Durrant ha scritto:
> >> -----Original Message-----
> >> From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]
> >> Sent: 16 October 2014 15:46
> >> To: Paul Durrant; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> >> Subject: Re: Blue screen on xenvif install
> >>
> >> Il 16/10/2014 15:45, Paul Durrant ha scritto:
> >>>> -----Original Message-----
> >>>> From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]
> >>>> Sent: 16 October 2014 14:40
> >>>> To: Paul Durrant; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> >>>> Subject: Re: Blue screen on xenvif install
> >>>>
> >>>> Il 16/10/2014 13:04, Paul Durrant ha scritto:
> >>>>>> -----Original Message-----
> >>>>>> From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]
> >>>>>> Sent: 16 October 2014 11:59
> >>>>>> To: Paul Durrant; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> >>>>>> Subject: Re: Blue screen on xenvif install
> >>>>>>
> >>>>>> Il 16/10/2014 12:00, Paul Durrant ha scritto:
> >>>>>>>> -----Original Message-----
> >>>>>>>> From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]
> >>>>>>>> Sent: 16 October 2014 10:35
> >>>>>>>> To: Paul Durrant; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> >>>>>>>> Subject: Re: Blue screen on xenvif install
> >>>>>>>>
> >>>>>>>> Il 16/10/2014 10:59, Paul Durrant ha scritto:
> >>>>>>>>>> -----Original Message-----
> >>>>>>>>>> From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]
> >>>>>>>>>> Sent: 16 October 2014 09:58
> >>>>>>>>>> To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> >>>>>>>>>> Cc: Paul Durrant
> >>>>>>>>>> Subject: Blue screen on xenvif install
> >>>>>>>>>>
> >>>>>>>>>> Today I tried to install new winpv driver to other 3 windows 7
> pro
> >> 64
> >>>>>>>>>> bit domUs.
> >>>>>>>>>> Days ago I installed them successful on one windows 7 pro 64
> bit
> >> and
> >>>>>> one
> >>>>>>>>>> windows 8.1 enterprise 64 bit.
> >>>>>>>>>> On first domUs I tried to install them today I installed xenbus
> and
> >>>>>>>>>> xenvbd successful but on xenvif install windows crashed with
> blue
> >>>>>>>>>> screen, if I saw it correctly was an kernel in-page error or
> >> something
> >>>>>>>>>> similar.
> >>>>>>>>>> After reboot I retried to install xenvif but now always fails.
> >>>>>>>>>>
> >>>>>>>>> Sounds odd. Do you have a MEMORY.DMP?
> >>>>>>>>>
> >>>>>>>>>        Paul
> >>>>>>>> Windows is setted to write dump of kernel memory on system
> error
> >>>> but
> >>>>>>>> %systemroot%\memory.dmp is missed :(
> >>>>>>>> I also checked the windows events log but I found only kernel-
> >> power
> >>>> as
> >>>>>>>> critical that seems not contains useful data.
> >>>>>>>>
> >>>>>>>> I found probably useful data in xl dmesg (I copied all below from
> >> domU
> >>>>>>>> start to xen bug):
> >>>>>>>>> (d98) HVM Loader
> >>>>>>>>> (d98) Detected Xen v4.5-unstable
> >>>>>>>>> (d98) Xenbus rings @0xfeffc000, event channel 1
> >>>>>>>>> (d98) System requested SeaBIOS
> >>>>>>>>> (d98) CPU speed is 2660 MHz
> >>>>>>>>> (d98) Relocating guest memory for lowmem MMIO space
> disabled
> >>>>>>>>> (XEN) irq.c:270: Dom98 PCI link 0 changed 0 -> 5
> >>>>>>>>> (d98) PCI-ISA link 0 routed to IRQ5
> >>>>>>>>> (XEN) irq.c:270: Dom98 PCI link 1 changed 0 -> 10
> >>>>>>>>> (d98) PCI-ISA link 1 routed to IRQ10
> >>>>>>>>> (XEN) irq.c:270: Dom98 PCI link 2 changed 0 -> 11
> >>>>>>>>> (d98) PCI-ISA link 2 routed to IRQ11
> >>>>>>>>> (XEN) irq.c:270: Dom98 PCI link 3 changed 0 -> 5
> >>>>>>>>> (d98) PCI-ISA link 3 routed to IRQ5
> >>>>>>>>> (d98) pci dev 01:3 INTA->IRQ10
> >>>>>>>>> (d98) pci dev 02:0 INTA->IRQ11
> >>>>>>>>> (d98) pci dev 03:0 INTA->IRQ5
> >>>>>>>>> (d98) pci dev 04:0 INTA->IRQ5
> >>>>>>>>> (d98) pci dev 05:0 INTA->IRQ10
> >>>>>>>>> (d98) pci dev 06:0 INTA->IRQ11
> >>>>>>>>> (d98) pci dev 1d:0 INTA->IRQ10
> >>>>>>>>> (d98) pci dev 1d:1 INTB->IRQ11
> >>>>>>>>> (d98) pci dev 1d:2 INTC->IRQ5
> >>>>>>>>> (d98) pci dev 1d:7 INTD->IRQ5
> >>>>>>>>> (d98) No RAM in high memory; setting high_mem resource base
> to
> >>>>>>>> 100000000
> >>>>>>>>> (d98) pci dev 05:0 bar 10 size 004000000: 0f0000000
> >>>>>>>>> (d98) pci dev 05:0 bar 14 size 004000000: 0f4000000
> >>>>>>>>> (d98) pci dev 02:0 bar 14 size 001000000: 0f8000008
> >>>>>>>>> (d98) pci dev 06:0 bar 30 size 000040000: 0f9000000
> >>>>>>>>> (d98) pci dev 05:0 bar 30 size 000010000: 0f9040000
> >>>>>>>>> (d98) pci dev 03:0 bar 10 size 000004000: 0f9050000
> >>>>>>>>> (d98) pci dev 05:0 bar 18 size 000002000: 0f9054000
> >>>>>>>>> (d98) pci dev 04:0 bar 14 size 000001000: 0f9056000
> >>>>>>>>> (d98) pci dev 1d:7 bar 10 size 000001000: 0f9057000
> >>>>>>>>> (d98) pci dev 02:0 bar 10 size 000000100: 00000c001
> >>>>>>>>> (d98) pci dev 06:0 bar 10 size 000000100: 00000c101
> >>>>>>>>> (d98) pci dev 06:0 bar 14 size 000000100: 0f9058000
> >>>>>>>>> (d98) pci dev 04:0 bar 10 size 000000020: 00000c201
> >>>>>>>>> (d98) pci dev 05:0 bar 1c size 000000020: 00000c221
> >>>>>>>>> (d98) pci dev 1d:0 bar 20 size 000000020: 00000c241
> >>>>>>>>> (d98) pci dev 1d:1 bar 20 size 000000020: 00000c261
> >>>>>>>>> (d98) pci dev 1d:2 bar 20 size 000000020: 00000c281
> >>>>>>>>> (d98) pci dev 01:1 bar 20 size 000000010: 00000c2a1
> >>>>>>>>> (d98) Multiprocessor initialisation:
> >>>>>>>>> (d98)  - CPU0 ... 36-bit phys ... fixed MTRRs ... var MTRRs [1/8] 
> >>>>>>>>> ...
> >>>>>>>>> done.
> >>>>>>>>> (d98)  - CPU1 ... 36-bit phys ... fixed MTRRs ... var MTRRs [1/8] 
> >>>>>>>>> ...
> >>>>>>>>> done.
> >>>>>>>>> (d98) Testing HVM environment:
> >>>>>>>>> (d98)  - REP INSB across page boundaries ... passed
> >>>>>>>>> (d98)  - GS base MSRs and SWAPGS ... passed
> >>>>>>>>> (d98) Passed 2 of 2 tests
> >>>>>>>>> (d98) Writing SMBIOS tables ...
> >>>>>>>>> (d98) Loading SeaBIOS ...
> >>>>>>>>> (d98) Creating MP tables ...
> >>>>>>>>> (d98) Loading ACPI ...
> >>>>>>>>> (d98) S3 disabled
> >>>>>>>>> (d98) S4 disabled
> >>>>>>>>> (d98) vm86 TSS at fc00a100
> >>>>>>>>> (d98) BIOS map:
> >>>>>>>>> (d98)  10000-100d3: Scratch space
> >>>>>>>>> (d98)  c0000-fffff: Main BIOS
> >>>>>>>>> (d98) E820 table:
> >>>>>>>>> (d98)  [00]: 00000000:00000000 - 00000000:000a0000: RAM
> >>>>>>>>> (d98)  HOLE: 00000000:000a0000 - 00000000:000c0000
> >>>>>>>>> (d98)  [01]: 00000000:000c0000 - 00000000:00100000: RESERVED
> >>>>>>>>> (d98)  [02]: 00000000:00100000 - 00000000:78000000: RAM
> >>>>>>>>> (d98)  HOLE: 00000000:78000000 - 00000000:fc000000
> >>>>>>>>> (d98)  [03]: 00000000:fc000000 - 00000001:00000000: RESERVED
> >>>>>>>>> (d98) Invoking SeaBIOS ...
> >>>>>>>>> (d98) SeaBIOS (version
> >>>>>>>>> debian/1.7.5-1-0-g506b58d-20140603_102943-testVS01OU)
> >>>>>>>>> (d98)
> >>>>>>>>> (d98) Found Xen hypervisor signature at 40000100
> >>>>>>>>> (d98) Running on QEMU (i440fx)
> >>>>>>>>> (d98) xen: copy e820...
> >>>>>>>>> (d98) Relocating init from 0x000df619 to 0x77fae600 (size 71995)
> >>>>>>>>> (d98) CPU Mhz=2660
> >>>>>>>>> (d98) Found 13 PCI devices (max PCI bus is 00)
> >>>>>>>>> (d98) Allocated Xen hypercall page at 77fff000
> >>>>>>>>> (d98) Detected Xen v4.5-unstable
> >>>>>>>>> (d98) xen: copy BIOS tables...
> >>>>>>>>> (d98) Copying SMBIOS entry point from 0x00010010 to
> 0x000f0f40
> >>>>>>>>> (d98) Copying MPTABLE from 0xfc001170/fc001180 to 0x000f0e40
> >>>>>>>>> (d98) Copying PIR from 0x00010030 to 0x000f0dc0
> >>>>>>>>> (d98) Copying ACPI RSDP from 0x000100b0 to 0x000f0d90
> >>>>>>>>> (d98) Using pmtimer, ioport 0xb008
> >>>>>>>>> (d98) Scan for VGA option rom
> >>>>>>>>> (d98) Running option rom at c000:0003
> >>>>>>>>> (XEN) stdvga.c:147:d98v0 entering stdvga and caching modes
> >>>>>>>>> (d98) pmm call arg1=0
> >>>>>>>>> (d98) Turning on vga text mode console
> >>>>>>>>> (d98) SeaBIOS (version
> >>>>>>>>> debian/1.7.5-1-0-g506b58d-20140603_102943-testVS01OU)
> >>>>>>>>> (d98) Machine UUID f4cdeb74-0db1-4748-948d-42579a494120
> >>>>>>>>> (d98) EHCI init on dev 00:1d.7 (regs=0xf9057020)
> >>>>>>>>> (d98) Found 0 lpt ports
> >>>>>>>>> (d98) Found 0 serial ports
> >>>>>>>>> (d98) ATA controller 1 at 1f0/3f4/0 (irq 14 dev 9)
> >>>>>>>>> (d98) ATA controller 2 at 170/374/0 (irq 15 dev 9)
> >>>>>>>>> (d98) ata0-0: QEMU HARDDISK ATA-7 Hard-Disk (40720 MiBytes)
> >>>>>>>>> (d98) Searching bootorder for:
> /pci@i0cf8/*@1,1/drive@0/disk@0
> >>>>>>>>> (d98) DVD/CD [ata0-1: QEMU DVD-ROM ATAPI-4 DVD/CD]
> >>>>>>>>> (d98) Searching bootorder for:
> /pci@i0cf8/*@1,1/drive@0/disk@1
> >>>>>>>>> (d98) UHCI init on dev 00:1d.0 (io=c240)
> >>>>>>>>> (d98) UHCI init on dev 00:1d.1 (io=c260)
> >>>>>>>>> (d98) UHCI init on dev 00:1d.2 (io=c280)
> >>>>>>>>> (d98) PS2 keyboard initialized
> >>>>>>>>> (d98) All threads complete.
> >>>>>>>>> (d98) Scan for option roms
> >>>>>>>>> (d98) Running option rom at c980:0003
> >>>>>>>>> (d98) pmm call arg1=1
> >>>>>>>>> (d98) pmm call arg1=0
> >>>>>>>>> (d98) pmm call arg1=1
> >>>>>>>>> (d98) pmm call arg1=0
> >>>>>>>>> (d98) Searching bootorder for: /pci@i0cf8/*@6
> >>>>>>>>> (d98)
> >>>>>>>>> (d98) Press F12 for boot menu.
> >>>>>>>>> (d98)
> >>>>>>>>> (d98) Searching bootorder for: HALT
> >>>>>>>>> (d98) drive 0x000f0d40: PCHS=16383/16/63 translation=lba
> >>>>>>>>> LCHS=1024/255/63 s=83394560
> >>>>>>>>> (d98) Space available for UMB: ca800-ee800, f0000-f0ce0
> >>>>>>>>> (d98) Returned 258048 bytes of ZoneHigh
> >>>>>>>>> (d98) e820 map has 6 items:
> >>>>>>>>> (d98)   0: 0000000000000000 - 000000000009fc00 = 1 RAM
> >>>>>>>>> (d98)   1: 000000000009fc00 - 00000000000a0000 = 2 RESERVED
> >>>>>>>>> (d98)   2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
> >>>>>>>>> (d98)   3: 0000000000100000 - 0000000077fff000 = 1 RAM
> >>>>>>>>> (d98)   4: 0000000077fff000 - 0000000078000000 = 2 RESERVED
> >>>>>>>>> (d98)   5: 00000000fc000000 - 0000000100000000 = 2 RESERVED
> >>>>>>>>> (d98) enter handle_19:
> >>>>>>>>> (d98)   NULL
> >>>>>>>>> (d98) Booting from Hard Disk...
> >>>>>>>>> (d98) Booting from 0000:7c00
> >>>>>>>>> (XEN) d98: VIRIDIAN GUEST_OS_ID: vendor: 1 os: 4 major: 6
> minor:
> >> 1
> >>>> sp:
> >>>>>>>>> 1 build: 1db1
> >>>>>>>>> (XEN) d98: VIRIDIAN HYPERCALL: enabled: 1 pfn: 3ffff
> >>>>>>>>> (XEN) d98v0: VIRIDIAN APIC_ASSIST: enabled: 1 pfn: 3fffe
> >>>>>>>>> (XEN) d98v1: VIRIDIAN APIC_ASSIST: enabled: 1 pfn: 3fffd
> >>>>>>>>> (XEN) irq.c:270: Dom98 PCI link 0 changed 5 -> 0
> >>>>>>>>> (XEN) irq.c:270: Dom98 PCI link 1 changed 10 -> 0
> >>>>>>>>> (XEN) irq.c:270: Dom98 PCI link 2 changed 11 -> 0
> >>>>>>>>> (XEN) irq.c:270: Dom98 PCI link 3 changed 5 -> 0
> >>>>>>>>> (XEN) irq.c:380: Dom98 callback via changed to GSI 24
> >>>>>>>>> (d98) XEN|BUGCHECK: ====>
> >>>>>>>>> (d98) XEN|BUGCHECK: 0000007A: FFFFF6FC000171C8
> >>>> FFFFFFFFC0000185
> >>>>>>>>> 000000001BD6A860 FFFF
> >>>>>>>>> (d98) F80002E39000
> >>>>>>>>> (d98) XEN|BUGCHECK: CONTEXT (FFFFF8800310E530):
> >>>>>>>>> (d98) XEN|BUGCHECK: - GS = 002B
> >>>>>>>>> (d98) XEN|BUGCHECK: - FS = 0053
> >>>>>>>>> (d98) XEN|BUGCHECK: - ES = 002B
> >>>>>>>>> (d98) XEN|BUGCHECK: - DS = 002B
> >>>>>>>>> (d98) XEN|BUGCHECK: - SS = 0018
> >>>>>>>>> (d98) XEN|BUGCHECK: - CS = 0010
> >>>>>>>>> (d98) XEN|BUGCHECK: - EFLAGS = 00000086
> >>>>>>>>> (d98) XEN|BUGCHECK: - RDI = 00000000000171C8
> >>>>>>>>> (d98) XEN|BUGCHECK: - RSI = 00000000C0000185
> >>>>>>>>> (d98) XEN|BUGCHECK: - RBX = 00000000038AC8F8
> >>>>>>>>> (d98) XEN|BUGCHECK: - RDX = 0000000000000000
> >>>>>>>>> (d98) XEN|BUGCHECK: - RCX = 000000000310E530
> >>>>>>>>> (d98) XEN|BUGCHECK: - RAX = 000000002ECF4722
> >>>>>>>>> (d98) XEN|BUGCHECK: - RBP = 000000001BD6A860
> >>>>>>>>> (d98) XEN|BUGCHECK: - RIP = 00000000038A2A43
> >>>>>>>>> (d98) XEN|BUGCHECK: - RSP = 000000000310E510
> >>>>>>>>> (d98) XEN|BUGCHECK: - R8 = 0000000000000000
> >>>>>>>>> (d98) XEN|BUGCHECK: - R9 = 0000000000000000
> >>>>>>>>> (d98) XEN|BUGCHECK: - R10 = 0000000000000000
> >>>>>>>>> (d98) XEN|BUGCHECK: - R11 = 0000000000000000
> >>>>>>>>> (d98) XEN|BUGCHECK: - R12 = 000000000000007A
> >>>>>>>>> (d98) XEN|BUGCHECK: - R13 = 0000000000000001
> >>>>>>>>> (d98) XEN|BUGCHECK: - R14 = 0000000002E39000
> >>>>>>>>> (d98) XEN|BUGCHECK: - R15 = 0000000002CBAC40
> >>>>>>>>> (d98) XEN|BUGCHECK: STACK:
> >>>>>>>>> (d98) XEN|BUGCHECK: 000000000310EA20: (0000000000000003
> >>>>>>>>> 00000000038A50F0 00000000038A
> >>>>>>>>> (d98) 4860 000000000000007A) xen.sys + 00000000000049AC
> >>>>>>>>> (d98) XEN|BUGCHECK: 000000000310EA70: (00000000038AD0D0
> >>>>>>>>> 0000000000000000 000000000000
> >>>>>>>>> (d98) 0004 0000000002C83500) ntoskrnl.exe + 0000000000128585
> >>>>>>>>> (d98) XEN|BUGCHECK: 000000000310EAA0: (00000000038AD0D0
> >>>>>>>>> 0000000002C83500 000000000000
> >>>>>>>>> (d98) 000F 0000000001780660) ntoskrnl.exe + 0000000000167C0D
> >>>>>>>>> (d98) XEN|BUGCHECK: 000000000310F170: (0000000003816470
> >>>>>>>>> 0000000002B4C8C1 000000000000
> >>>>>>>>> (d98) 00FE 0000000000000000) ntoskrnl.exe + 0000000000075CC4
> >>>>>>>>> (d98) XEN|BUGCHECK: 000000000310F1B0: (000000000000007A
> >>>>>>>>> 00000000000171C8 00000000C000
> >>>>>>>>> (d98) 0185 000000001BD6A860) ntoskrnl.exe + 00000000000E8752
> >>>>>>>>> (d98) XEN|BUGCHECK: 000000000310F290: (00000000038163B0
> >>>>>>>>> 000000000310F320 0000000002CB
> >>>>>>>>> (d98) D540 00000000038163B0) ntoskrnl.exe + 000000000009C91F
> >>>>>>>>> (d98) XEN|BUGCHECK: 000000000310F360: (0000000000000000
> >>>>>>>>> 0000000000000008 00000000FFFF
> >>>>>>>>> (d98) FFFF 00000000003500F0) ntoskrnl.exe + 00000000000831B9
> >>>>>>>>> (d98) XEN|BUGCHECK: 000000000310F4C0: (0000000000000008
> >>>>>>>>> 0000000002E39000 000000000000
> >>>>>>>>> (d98) 0000 0000000000000000) ntoskrnl.exe + 0000000000073CEE
> >>>>>>>>> (d98) XEN|BUGCHECK: 000000000310F658: (0000000002E5CFD5
> >>>>>>>>> 0000000000000000 0000000003EB
> >>>>>>>>> (d98) 8710 00000000FFFFFFFF) ntoskrnl.exe + 000000000042C000
> >>>>>>>> If you need more tests/informations tell me and I'll post them.
> >>>>>>>> Thanks for any reply and sorry for my bad english.
> >>>>>>> Well, that tells me you had a 7A BSOD, which is a
> >>>>>> KERNEL_DATA_INPAGE_ERROR. The error status (param 2) was
> >> C0000185
> >>>> so
> >>>>>> that's a STATUS_IO_DEVICE_ERROR. The documentation at
> >>>>>> http://msdn.microsoft.com/en-
> >>>>>> gb/library/windows/hardware/ff559211%28v=vs.85%29.aspx tells
> me
> >> that
> >>>>>> this means:
> >>>>>>> "improper termination or defective cabling on SCSI devices or that
> >> two
> >>>>>> devices are trying to use the same IRQ."
> >>>>>>> But you said you had xenvbd already installed so you'll be using a
> PV
> >>>>>> storage path. Is there any indication of problems with your storage?
> >>>>>>>       Paul
> >>>>>> DomUs disk are all raw files in local dom0 disks, raid1 with "LSI Logic
> >>>>>> / Symbios Logic SAS2008 PCI-Express Fusion-MPT SAS-2" dom0
> >> partitions
> >>>>>> are GTP and fs ext4.
> >>>>>> Dom0 is wheezy with kernel is linux-image-3.16-0.bpo.2-amd64
> version
> >>>>>> 3.16.3-2~bpo70+1
> >>>>>> No kern or syslog errors, only many of these warning that someone
> >>>>>> replied me that should not be a problem:
> >>>>>> Oct 15 10:45:13 mtorMN01OU kernel: [773197.117518] xen:balloon:
> >>>>>> reserve_additional_memory: add_memory() failed: -17
> >>>>>> DomU now see disk as xen pvdisk, on xenvif install probably still was
> >>>>>> full emulated disk even if xenvbd was installed successful before
> xenvif
> >>>>>> install (failed with BSOD)
> >>>>>> The IRQ seems visible from xl dmesg output below, can you check
> >> them is
> >>>>>> have something wrong or strange, I see some of them "duplicate"
> but I
> >>>>>> not know if is correct.
> >>>>>>
> >>>>>> DomU xl cfg:
> >>>>>>> name='office1_w7'
> >>>>>>> builder="hvm"
> >>>>>>> memory=2048
> >>>>>>> vcpus=2
> >>>>>>> acpi_s3=0
> >>>>>>> acpi_s4=0
> >>>>>>> vif=['bridge=xenbr0,mac=00:16:3e:41:ae:8b']
> >>>>>>>
> >>
> disk=['/mnt/vm/disks/office1_w7.disk1.xm,raw,hda,rw',',raw,hdb,ro,cdrom'
> >>>>>> ]
> >>>>>>> boot='c'
> >>>>>>> device_model_version="qemu-xen"
> >>>>>>> viridian=1
> >>>>>>> vnc=0
> >>>>>>> keymap="it"
> >>>>>>> on_crash="destroy"
> >>>>>>> vga="qxl"
> >>>>>>> spice=1
> >>>>>>> spicehost='0.0.0.0'
> >>>>>>> spiceport=6001
> >>>>>>> spicedisable_ticketing=0
> >>>>>>> spicepasswd="password"
> >>>>>>> spicevdagent=1
> >>>>>>> spice_clipboard_sharing=0
> >>>>>>> spiceusbredirection=4
> >>>>>>> soundhw="hda"
> >>>>>>> localtime=1
> >>>>>> If you need more tests/informations tell me and I'll post them.
> >>>>>>
> >>>>> Do you have the qemu log (with xen platform logging enabled). This is
> >>>> where the PV drivers log failures/warnings.
> >>>>>      Paul
> >>>>>
> >>>>>
> >>>> I retried enabling xen platform debug in qemu trace but no add lines in
> >>>> log when I try to install xenvif and fails.
> >>>> I attach anyway the log if can be useful.
> >>> All I can see there is an apparently clean shutdown of domain 101; no
> sign
> >> of XENVIF and no sign of a BSOD.
> >>>> I'll also try to restore the backup of this night of the domU when I had
> >>>> the BSOD trying reproduce it with xen debug in qemu trace and
> different
> >>>> windows memory dump options.
> >>> Ok.
> >>>
> >>>     Paul
> >>>
> >> Reproduced it but now with xen platform trace enabled in qemu. (see
> >> attachment)
> >> Dump of memory instead is not present also in this case (probably
> >> because disk is "failed").
> > You're using emulate disk in this case. Did your BSOD not indicate that it
> was dumping?
> >
> >    Paul
> >
> 
> I have to time to see if do a dump but I suppose it can't write to disk
> since its driver fails.
> Log qemu is not enough? You need the windows memory dump to find and
> fix
> the bug?

I don't know what the bug is. My guess is that it's a deadlock somewhere which 
is causing Windows to believe there's a storage issue, but since the stack is 
entirely in the kernel and without a crashdump I cannot decode to symbols 
there's not much more I can do unless I happen to repro.

  Paul

> If needed tomorrow I'll do other tests.
> 
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