[Xen-devel] RE: win-pv assertion failed while migrating

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

Changeset 841 fixed quite a few things to do with suspend and resume.
Try the very latest version.

James

> -----Original Message-----
> From: alice wan [mailto:wanjia19870902@xxxxxxxxx]
> Sent: Saturday, 12 February 2011 20:09
> To: James Harper
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: win-pv assertion failed while migrating
> 
> hi all
> 
> i migrated a guest os with win-pv driver (changset 820) , xc_save
process hung
> like that
> 
> (gdb) bt
> #0  0x0000003482ec5f3b in read () from /lib64/libc.so.6
> #1  0x00007f53b42754cf in read_exact () from
/usr/lib64/libxenctrl.so.4.0
> #2  0x00007f53b427b283 in xc_evtchn_pending () from
> /usr/lib64/libxenctrl.so.4.0
> #3  0x00007f53b404b5e7 in xc_await_suspend () from
> /usr/lib64/libxenguest.so.4.0
> #4  0x0000000000401305 in suspend ()
> #5  0x00007f53b404f684 in suspend_and_state () from
> /usr/lib64/libxenguest.so.4.0
> #6  0x00007f53b4051d4f in xc_domain_save () from
/usr/lib64/libxenguest.so.4.0
> #7  0x0000000000401539 in main ()
> 
> the pv debug info in qemu log is as following:
> 
> XenPCI <-- XenPci_DeviceWatchHandler
> XenNet --> XenNet_Resume
> XenPCI --> XenPci_DeviceWatchHandler
> XenNet --> XenNet_TxResumeStart
> XenPCI <-- XenPci_DeviceWatchHandler
> XenNet <-- XenNet_TxResumeStart
> XenPCI --> XenPci_UpdateBackendState
> XenNet --> XenNet_RxResumeStart
> XenNet <-- XenNet_RxResumeStart
> XenPCI     state unchanged
> XenNet --> XenNet_ConnectBackend
> XenPCI --> XenPci_DeviceWatchHandler
> XenNet     XEN_INIT_TYPE_13
> XenPCI <-- XenPci_DeviceWatchHandler
> XenNet     XEN_INIT_TYPE_VECTORS
> XenNet     XEN_INIT_TYPE_DEVICE_STATE - 81F40FB4
> XenNet     XEN_INIT_TYPE_RING - tx-ring-ref = FFB1F000
> XenNet     XEN_INIT_TYPE_RING - rx-ring-ref = FFB1E000
> XenNet     XEN_INIT_TYPE_EVENT_CHANNEL - event-channel = 7
> XenNet     XEN_INIT_TYPE_READ_STRING - mac = 00:16:3e:e0:00:13
> XenNet     XEN_INIT_TYPE_READ_STRING - feature-sg = 1
> XenNet     XEN_INIT_TYPE_READ_STRING - feature-gso-tcpv4 = 1
> XenNet     XEN_INIT_TYPE_17
> XenNet <-- XenNet_ConnectBackend
> XenNet --> XenNet_RxResumeEnd
> XenNet <-- XenNet_RxResumeEnd
> XenNet --> XenNet_TxResumeEnd
> XenNet <-- XenNet_TxResumeEnd
> XenNet     *Setting suspend_resume_state_fdo = 2
> XenNet --> XenNet_SuspendResume
> XenNet     New state SR_STATE_RESUMING
> XenNet <-- XenNet_SuspendResume
> XenNet --> XenNet_Resume
> XenNet     *Notifying event channel 5
> XenNet --> XenNet_TxResumeStart
> XenNet <-- XenNet_Resume
> XenPCI     EVT_ACTION_TYPE_SUSPEND
> XenPCI --> EvtChn_PdoEventChannelDpc
> XenPCI <-- EvtChn_PdoEventChannelDpc
> XenPCI     fdo state set to 2
> XenNet <-- XenNet_TxResumeStart
> XenPCI <-- XenPci_Pdo_ChangeSuspendState
> XenNet --> XenNet_RxResumeStart
> XenPCI --> XenPci_Pdo_ChangeSuspendState
> XenNet <-- XenNet_RxResumeStart
> XenPCI     setting pdo state to 0
> XenNet --> XenNet_ConnectBackend
> XenPCI     Notifying event channel 5
> XenNet     XEN_INIT_TYPE_13
> XenPCI     EVT_ACTION_TYPE_SUSPEND
> XenNet     XEN_INIT_TYPE_VECTORS
> XenNet --> XenNet_SuspendResume
> XenNet     XEN_INIT_TYPE_DEVICE_STATE - 81F40FB4
> XenNet     New state 2
> XenNet     Notifying event channel 5
> XenNet     XEN_INIT_TYPE_RING - tx-ring-ref = FFB1F000
> XenNet <-- XenNet_SuspendResume
> XenPCI     EVT_ACTION_TYPE_SUSPEND
> 
> *** Assertion failed: xi->rx_ring_pbs[id] != (USHORT)0xFFFF
> ***   Source File: c:\projects\win-pvdrivers.hg\xennet\xennet_rx.c,
line 639
> 
> XenNet     XEN_INIT_TYPE_RING - rx-ring-ref = FFB1E000
> XenVbd --> DriverEntry
> XenVbd     IRQL = 31
> XenVbd     DriverObject = 00000000, RegistryPath = 00000000
> XenVbd --> XenVbd_HwScsiFindAdapter
> XenVbd     IRQL = 31
> XenVbd     xvdd = 819F5300
> XenVbd     BusInterruptLevel = 28
> XenVbd     BusInterruptVector = 01c
> XenVbd     NumberOfAccessRanges = 1
> XenVbd     RangeStart = 1f98a000, RangeLength = 00001000
> XenVbd     XEN_INIT_TYPE_VECTORS
> XenVbd     XEN_INIT_TYPE_DEVICE_STATE - 81F96AB4
> XenVbd     XEN_INIT_TYPE_RING - ring-ref = 81F3C000
> XenVbd     XEN_INIT_TYPE_EVENT_CHANNEL - event-channel = 7
> XenVbd     cached_use_other = 1
> XenVbd     XEN_INIT_TYPE_READ_STRING - device-type = disk
> XenVbd     device-type = Disk
> XenVbd     XEN_INIT_TYPE_READ_STRING - mode = w
> XenVbd     mode = w
> XenVbd     XEN_INIT_TYPE_READ_STRING - sectors = 104857600
> XenVbd     XEN_INIT_TYPE_READ_STRING - sector-size = 512
> XenVbd     XEN_INIT_TYPE_GRANT_ENTRIES - entries = 11
> XenVbd     qemu_hide_flags_value = 3
> XenVbd     aligned_buffer_data = 819F7274
> XenVbd     aligned_buffer = 819F8000
> XenVbd     ConfigInfo->MaximumTransferLength = 4096
> XenVbd     ConfigInfo->NumberOfPhysicalBreaks = 0
> XenVbd     Dma64BitAddresses not supported
> XenVbd <-- XenVbd_HwScsiFindAdapter
> XenVbd --> XenVbd_HwScsiInitialize
> XenVbd     IRQL = 31
> XenVbd     dump_mode = 1
> XenVbd <-- XenVbd_HwScsiInitialize
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> Log-dirty command enable
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd --> HwScsiStartIo (Suspending/Resuming)
> XenVbd <-- HwScsiStartIo (Suspending/Resuming)
> XenVbd ScsiPortInitialize failed with status 0xc0000001
> XenVbd <-- DriverEntry
> XenNet --> XenNet_Shutdown
> XenNet <-- XenNet_Shutdown
> XenPCI     Bug check 0x0000008E (0x80000003, 0x80878113, 0xF885AAF4,
> 0x00000000)
> reset requested in cpu_handle_ioreq.
> Issued domain 473 reboot
> 
> environment: xen 4.0.0 +2.6.31.13, windows2003+win-pv(changeset 820)
> 
> i need your help ,thanks in advance
> 

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