(+Wei and Ian)
Hi Sergej
On 17/07/17 13:04, Sergej Proskurin wrote:
Hi all,
My setup comprises an ARMv7 (Arndale, Linux kernel v4.11.6) and an ARMv8
(LeMaker HiKey, Linux kernel v4.9.0) development board. On both boards,
I have Xen version 4.10-unstable running with the associated tools to
manage a domu.
Currently, I am trying to get xl mem-{set|max} to work on both
architectures. Unfortunately, both command invocations fail with the
following message (I remember using xl mem-{set|max} on ARMv7 before
with Xen version 4.7 and 4.8):
---
xl: libxl.c:339: libxl_defbool_val: Assertion
`!libxl_defbool_is_default(db)' failed.
Aborted
---
I haven't myself tried to use xl mem-{set|max}. Looking at the assert,
you hit because a boolean is not initialized. It would be interesting to
know which one.
I have CCed the tools maintainers to get more feedback.
Cheers,
The domu is created with the following parameters:
---
kernel= "/boot/zImage"
name = "domu"
memory = 512
vcpus = 2
disk=[ 'phy:/dev/vg0/VG0, xvda,w' ]
extra = 'console=hvc0 xencons=tty root=/dev/xvda rw'
---
My Kernel versions have CONFIG_XEN_BALLOON flag set (see ARMv7 example
Linux .config below).
---
$ cat .config | grep -i XEN
CONFIG_XEN_DOM0=y
CONFIG_XEN=y
CONFIG_XEN_BLKDEV_FRONTEND=y
CONFIG_XEN_BLKDEV_BACKEND=y
# CONFIG_XEN_SCSI_FRONTEND is not set
CONFIG_XEN_NETDEV_FRONTEND=y
CONFIG_XEN_NETDEV_BACKEND=y
CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y
CONFIG_HVC_XEN=y
CONFIG_HVC_XEN_FRONTEND=y
# CONFIG_TCG_XEN is not set
# CONFIG_XEN_WDT is not set
CONFIG_XEN_FBDEV_FRONTEND=y
# Xen driver support
CONFIG_XEN_BALLOON=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DEV_EVTCHN=y
CONFIG_XEN_BACKEND=y
CONFIG_XENFS=y
CONFIG_XEN_COMPAT_XENFS=y
CONFIG_XEN_SYS_HYPERVISOR=y
CONFIG_XEN_XENBUS_FRONTEND=y
CONFIG_XEN_GNTDEV=m
CONFIG_XEN_GRANT_DEV_ALLOC=m
CONFIG_SWIOTLB_XEN=y
CONFIG_XEN_PRIVCMD=y
CONFIG_XEN_AUTO_XLATE=y
---
Besides, I can see in the dmesg output that the balloon driver gets
initialized:
---
# dmesg | grep -i balloon
[ 0.180942] xen:balloon: Initialising balloon driver
[ 0.187103] xen_balloon: Initialising balloon driver
---
It would be great if someone would help me to resolve this issue as I am
obviously missing something. Thank you very much in advance.
Best regards,
~Sergej
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--
Julien Grall
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