Re: [Xen-devel] [PATCH v2] xen: fix booting ballooned down hvm guest

2017-10-26 Thread HW42
Juergen Gross: > Commit 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't > online new memory initially") introduced a regression when booting a > HVM domain with memory less than mem-max: instead of ballooning down > immediately the system would try to use the memory up to mem-max > re

Re: [Xen-devel] [PATCH] xen: fix booting ballooned down hvm guest

2017-10-24 Thread HW42
ally we have to trigger the ballooning process at once. >>>>> >>>>> Cc: # 4.13 >>>>> Fixes: 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't >>>>>online new memory initially") >>>>> >>>&

Re: [Xen-devel] [PATCH v3] xen/balloon: don't online new memory initially

2017-10-02 Thread HW42
Juergen Gross: > When setting up the Xenstore watch for the memory target size the new > watch will fire at once. Don't try to reach the configured target size > by onlining new memory in this case, as the current memory size will > be smaller in almost all cases due to e.g. BIOS reserved pages. >

[Xen-devel] Hotpluggin PCI devices broken when HVM has PV drivers

2017-06-18 Thread HW42
Hi, when I try to attach a pci device to a running HVM the interrupt setup inside the domain fails if the Linux has PV support: kernel: xen:events: Failed to obtain physical IRQ 36 When I use [0] to get a more verbose output I get kernel: xen:events: Failed to obtain physical IRQ 36 (error

[Xen-devel] PCI passthrough hotplugging with stubdom: create new mem mapping failed!

2017-06-18 Thread HW42
Hi, I'm currently debugging why hotplugging pci devices doesn't work with the linux based stubdom used in the next Qubes release (based on Anthony's and Eric's patches). When attaching a pci device to a running domain qemu in the stubdom throws the following error: [00:06.0] xen_pt_region_upda