[Xen-devel] Regarding changing memory for DOM0

[George John <georgeeldhojohn@xxxxxxxxx>]

Hi,
 I am running Xen on Rcar H3 which is now configured Dom0 memory as 752M and need to change it as 2048M.I attempted to change it by
 xl mem-set (xl mem-set 0 2048M) where 0 is Dom0 ID.It result following error
 

root@salvator-x-xen-dom0:~# xl list

Name                                        ID   Mem VCPUs    State    Time(s)
Domain-0                                     0   752     4     r-----      11.4
root@salvator-x-xen-dom0:~#

 my try as folows
 ---------------------
 
root@salvator-x-xen-dom0:~# xl mem-set 0 2048m
xl: libxl.c:345: libxl_defbool_val: Assertion `!libxl_defbool_is_default(db)' failed.
[  256.101168] audit: type=1701 audit(255.882:3): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=2972 comm="xl" exe="/usr/sbin/xl" sig=6
Aborted
root@salvator-x-xen-dom0:~#

next I tried it by modifying bootargs in the dts file

before modification
----------------------
chosen {
        bootargs = "dom0_mem=752M console=dtuart dtuart=serial0 dom0_max_vcpus=4 bootscrub=0 flask_enforcing=1 loglvl=all";
       
        xen,dom0-bootargs = "console=hvc0 root=/dev/nfs nfsroot=192.168.1.100:/exports/rfs_xen/ ip=192.168.1.1:192.168.1.100 rw rootwait  ignore_loglevel cma=128M";
        .
        .
        .
        .
        .
    }
   
   
after modification   
----------------------
   
    chosen {
        bootargs = "dom0_mem=2048M console=dtuart dtuart=serial0 dom0_max_vcpus=4 bootscrub=0 flask_enforcing=1 loglvl=all";
       
        xen,dom0-bootargs = "console=hvc0 root=/dev/nfs nfsroot=192.168.1.100:/exports/rfs_xen/ ip=192.168.1.1:192.168.1.100 rw rootwait  ignore_loglevel cma=128M";
        .
        .
        .
        .
        .
    }
   
but unfortunately file system crashes while booting

xen version is 4.8.0

any help please

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