[Xen-devel] Is: Xen 4.4 and 'cpus="X-Y" command line parsing borked Was:Re: drjones@xxxxxxxxxx, vkuznets@xxxxxxxxxx, leiwang@xxxxxxxxxx, wshi@xxxxxxxxxx

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Apr 17, 2014 at 09:40:46PM -0400, Lingfei Kong wrote:
> Hello,
> When i create a guest with option 'cpus="0-3"' on the command line, xl can 
> not parse the config. But it works well when i specify 'cpus=1' on the 
> command line. I read the man page xl.cfg, learned that xl support the 
> following format:
> "0-3,5,^1"
> so  it would be very nice if xl can support this format on the command line 
> too.
> 
> Also i have file a bug on bugzilla: Bug 1886 - option `cpus="0-3"` works well 
> when you specify it in a configure file, but it give a error feadback when 
> you add it to the command line
> 

On what bugzilla system?

> 
> 
> The following are the  details:
> 
> Description of problem:
> option `cpus="0-3"` works well when you specify it in a configure file, but 
> it give a error feadback when you add it to the command line.
> 
> Version-Release number of selected component (if applicable):
> 
> How reproducible:
> 100%
> 
> Steps to Reproduce:
> 1. Install a host with xen4

How did you install that? Did you use the Xen RPMs?

> 2. Create a guest, add option 'cpus="0-3"' on the command line
> # xl -v create hvm-7.0-64-1.cfg cpus="0-3"
> Parsing config from hvm-7.0-64-1.cfg

Does it work if you have the 'cpus="0-3"' in the guest config file
(from hvm-7.0-64-1.cfg)

> hvm-7.0-64-1.cfg:28: config parsing error near `-3': lexical error
> warning: Config file looks like it contains Python code.
> warning:  Arbitrary Python is no longer supported.
> warning:  See http://wiki.xen.org/wiki/PythonInXlConfig
> Failed to parse config: Invalid argument
> 
> 
> Actual results:
> Failed to create the guest
> 
> Expected results:
> Guest can be created successfully.
> 
> Additional info:
> # xl info
> host                   : hp-z220-02.qe.lab.eng.nay.redhat.com
> release                : 3.11.10-301.fc20.x86_64
> version                : #1 SMP Thu Dec 5 14:01:17 UTC 2013
> machine                : x86_64
> nr_cpus                : 8
> max_cpu_id             : 7
> nr_nodes               : 1
> cores_per_socket       : 4
> threads_per_core       : 2
> cpu_mhz                : 3392
> hw_caps                : 
> bfebfbff:28100800:00000000:00007f00:77bae3ff:00000000:00000001:00000281
> virt_caps              : hvm hvm_directio
> total_memory           : 16258
> free_memory            : 10185
> sharing_freed_memory   : 0
> sharing_used_memory    : 0
> outstanding_claims     : 0
> free_cpus              : 0
> xen_major              : 4
> xen_minor              : 3
> xen_extra              : .2
> xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
> hvm-3.0-x86_32p hvm-3.0-x86_64 
> xen_scheduler          : credit
> xen_pagesize           : 4096
> platform_params        : virt_start=0xffff800000000000
> xen_changeset          : 
> xen_commandline        : placeholder
> cc_compiler            : gcc (GCC) 4.8.2 20131212 (Red Hat 4.8.2-7)
> cc_compile_by          : mockbuild
> cc_compile_domain      : [unknown]
> cc_compile_date        : Wed Mar 26 20:46:37 UTC 2014
> xend_config_format     : 4
> 
> 
> The attachment is the log file /var/log/xen/xl-${DOMNAME}.log 
> 
> Best Regards
> Lingfei Kong

> Waiting for domain hvm-7.0-64-1 (domid 5) to die [pid 16670]
> Domain 5 has been destroyed.

> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel


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