Re: [Xen-devel] [REPOST] Re: [PATCH] GSoC 2010 - Memory hotplug support for Xen guests - third fully working version

[Vasiliy G Tolstov <v.tolstov@xxxxxxxxx>]

On Fri, 2010-11-19 at 11:17 +0200, Pasi Kärkkäinen wrote:
> Hello,
> 
> Just wondering.. what's the status on this feature? 
> Is it ready to be merged? 
> 

Memory hot-plug vorking like a sharm, but a can't do more testing
bacouse when i try to compile and run any version of xen from git it
can't migrate or can't strted. For example - todays git from xen stable
2.6.32.x

domU Config is attached.



xm info

host                   : xen10
release                : 2.6.32.19-0.2-xen
version                : #1 SMP 2010-09-02 09:11:50 +0200
machine                : x86_64
nr_cpus                : 16
nr_nodes               : 2
cores_per_socket       : 4
threads_per_core       : 2
cpu_mhz                : 2266
hw_caps                :
bfebfbff:28100800:00000000:00001b40:009ce3bd:00000000:00000001:00000000
virt_caps              : hvm hvm_directio
total_memory           : 65455
free_memory            : 55637
free_cpus              : 0
max_free_memory        : 61771
max_para_memory        : 61767
max_hvm_memory         : 61614
node_to_cpu            : node0:0-3,8-11
                         node1:4-7,12-15
node_to_memory         : node0:23782
                         node1:31854
node_to_dma32_mem      : node0:2990
                         node1:0
max_node_id            : 1
xen_major              : 4
xen_minor              : 0
xen_extra              : .0_21091_06-0.2
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          : 21091
xen_commandline        : tmem=1 loglvl=all noreboot dom0_mem=8192M
dom0_max_vcpus=2 dom0_vcpus_pin console=vga vga=current
cc_compiler            : gcc version 4.3.4 [gcc-4_3-branch revision
152973] (SUSE Linux)
cc_compile_by          : abuild
cc_compile_domain      : 
cc_compile_date        : Tue Aug 24 13:50:54 UTC 2010
xend_config_format     : 4




(XEN) d724:v0: unhandled page fault (ec=0000)
(XEN) Pagetable walk from ffffffff818df730:
(XEN)  L4[0x1ff] = 0000001008fba067 0000000000001003
(XEN)  L3[0x1fe] = 0000001008fb6067 0000000000001007
(XEN)  L2[0x00c] = 0000000000000000 ffffffffffffffff 
(XEN) domain_crash_sync called from entry.S
(XEN) Domain 724 (vcpu#0) crashed on cpu#12:
(XEN) ----[ Xen-4.0.0_21091_06-0.2.1  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    12
(XEN) RIP:    e033:[<ffffffff8100bebd>]
(XEN) RFLAGS: 0000000000000202   EM: 1   CONTEXT: pv guest
(XEN) rax: ffffffff818df000   rbx: 00000000000000e6   rcx:
ffffffff817a7000
(XEN) rdx: 0000000000000010   rsi: 00000000020e6067   rdi:
00000000000020e6
(XEN) rbp: ffffffff8150bd10   rsp: ffffffff8150bcc0   r8:
0000000001000000
(XEN) r9:  0000000000001000   r10: 00000000000020e7   r11:
0000000000000000
(XEN) r12: ffff8800020e6000   r13: 0000000000000000   r14:
ffff8800020e5000
(XEN) r15: ffff8800017b3000   cr0: 000000008005003b   cr4:
00000000000026f0
(XEN) cr3: 0000001008fbc000   cr2: ffffffff818df730
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
(XEN) Guest stack trace from rsp=ffffffff8150bcc0:
(XEN)    ffffffff817a7000 0000000000000000 0000000000000000
ffffffff8100bebd
(XEN)    000000010000e030 0000000000010002 ffffffff8150bd08
000000000000e02b
(XEN)    ffffffff8100be99 00000000020e6067 ffffffff8150bd20
ffffffff8100bed9
(XEN)    ffffffff8150bd38 ffffffff8100bfea ffffffff81001ea0
ffffffff8150bd48
(XEN)    ffffffff8100c032 ffffffff8150bd98 ffffffff8100b896
0000000000000000
(XEN)    00000000000020e7 0000000000001000 0000000001000000
00000000020e6067
(XEN)    00000000020e6067 0000000000000000 0000000000000001
ffffffff8150bdb8
(XEN)    ffffffff81635a44 ffffea0000000000 0000000000000000
ffffffff8150be18
(XEN)    ffffffff816349bd ffffffff8150be08 ffffea00001bffff
ffffea00001c0000
(XEN)    0000000000000018 ffff880000001000 ffffea0000000000
ffff880001ce5000
(XEN)    0000000000000000 ffff8800020e5000 ffff8800017b3000
ffffffff8150be38
(XEN)    ffffffff81635b1f ffffffff8150be38 0000000000000000
ffffffff8150be88
(XEN)    ffffffff8161e149 ffffffffffffffff 0000000000000000
ffffffff8150be88
(XEN)    ffffffff8150be98 0000000000000000 0000000000080800
ffffffffffffffff
(XEN)    0000000000000000 ffffffff8150bec8 ffffffff8161648b
0000000000001000
(XEN)    0000000000100000 0000000000080800 0000000000000000
ffffffffffffffff
(XEN)    0000000000000000 ffffffff8150bf58 ffffffff8160a9d8
0000000000000000
(XEN)    0000000000000000 ffffffffffffffff 0000000000000000
ffffffff8150bf58
(XEN)    ffffffff813bd063 ffffffff00000010 ffffffff8150bf68
ffffffff8150bf28
(XEN)    ffffffff8105f2cb ffffffffffffffff ffffffff81635b50
0000000000000000
(XEN) cpupool_rm_domain(dom=724,pool=0) n_dom 298

-- 
Vasiliy G Tolstov <v.tolstov@xxxxxxxxx>
Selfip.Ru

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