[Xen-devel] xl fails to work with some command

["Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>]

Hi
As we will use xl in xen 4.1. I had try use xl to do something. And I find some 
command is fails.
For config file, when give "disk=" too args, it will show segment fault if we 
use xl create to start guest. Is there any change for xl's config file?

Following command can not work:
xl migrate:  when I use xl migrate domain localhost to do migrate, it shows 
error:
                        Saving to migration stream new xl format (info 
0x0/0x0/15122)
                                                libxl: warning: 
libxl_dom.c:374:core_suspend Failed to get the suspend evtchn port
                                                Loading new save file incoming 
migration stream (new xl fmt info 0x0/0x0/15122)
                                                 Savefile contains xl domain 
config
                                                xc: Saving memory: iter 0 (last 
sent 0 skipped 0): 98334/1048576    9%xc: error: Failed to allocate memory for 
batch.!: Internal error
                                                libxl: error: 
libxl_device.c:438:libxl_wait_for_device_model Device Model not ready
                                                xl: fatal error: 
xl_cmdimpl.c:1466, rc=-1: libxl_confirm_device_model_startup(&ctx, dm_starting)
                                                xc: error: Error when writing 
to state file (4c) (errno 32) (32 = Broken pipe): Internal error
                                                libxl: error: 
libxl_utils.c:328:libxl_write_exactly failed to write qemu signature from 
saved-state file: Broken pipe
                                                migration sender: 
libxl_domain_suspend failed (rc=32)
                                                libxl: info: 
libxl_exec.c:69:libxl_report_child_exitstatus migration target process [7098] 
exited with error status 1
                                                Migration failed, resuming at 
sender.

xl pci-list-assign:  It cannot show the hidden device. With xm, it can work.
xl mem-set:  use xl mem-set to set guest's memory have no effect
xl trigger:  xl have no s3resume option and some other option cannot work
xl vnc:   The arg of dom_id for xl vnc cannot work. If there have two guest, 
when use xl vnc guest2 try to connect guest2, it always connect to guest1.
xl vcpu-set:  Both xm vcpu-set and xl vcpu-set can not work.

I used changeset 21951 for my test scenario.

best regards
yang


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