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IDProjectCategoryView StatusLast Update
0006724Xen4[CentOS-6] -OTHERpublic2013-11-06 07:41
Reporterserhioz 
PrioritynormalSeveritycrashReproducibilityalways
Status newResolutionopen 
PlatformOSCentOS release 6.4 (Final)OS Version
Product Version[CentOS-6] 6.4 
Target VersionFixed in Version 
Summary0006724: xen4 DomU crash at network load
Descriptionxen4 DomU always crash at network and/or cpu load.

# xm info
host : xen1.xxxxx.ru
release : 3.4.61-9.el6.centos.alt.x86_64
version : #1 SMP Wed Sep 11 15:34:17 UTC 2013
machine : x86_64
nr_cpus : 24
nr_nodes : 2
cores_per_socket : 6
threads_per_core : 2
cpu_mhz : 2500
hw_caps : bfebfbff:2c100800:00000000:00003f40:17bee3ff:00000000:00000001:00000000
virt_caps : hvm hvm_directio
total_memory : 65501
free_memory : 62608
free_cpus : 0
xen_major : 4
xen_minor : 2
xen_extra : .3-23.el6
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 : unavailable
xen_commandline : dom0_mem=1024M loglvl=all guest_loglvl=all
cc_compiler : gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3)
cc_compile_by : mockbuild
cc_compile_domain : centos.org
cc_compile_date : Wed Sep 11 17:46:35 UTC 2013
xend_config_format : 4


# rpm -qa |grep xen
xen-licenses-4.2.3-23.el6.centos.alt.x86_64
xen-hypervisor-4.2.3-23.el6.centos.alt.x86_64
xen-4.2.3-23.el6.centos.alt.x86_64
centos-release-xen-6-2.el6.centos.x86_64
xen-libs-4.2.3-23.el6.centos.alt.x86_64
xen-runtime-4.2.3-23.el6.centos.alt.x86_64

Tested DomU is clear Centos 5.10 updated.

crashed console:

----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at arch/x86_64/mm/../../i386/mm/hypervisor.c:70
invalid opcode: 0000 [1] SMP
last sysfs file: /class/misc/autofs/dev
CPU 1
Modules linked in: iptable_filter ip_tables x_tables autofs4 hidp l2cap bluetooth lockd sunrpc be2iscsi ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp bnx2i cnic ipv6 xfrm_nalgo crypto_api uio cxgb3i libcxgbi cxgb3 8021q libiscsi_tcp libiscsi2 scsi_transport_iscsi2 scsi_transport_iscsi dm_mirror dm_multipath scsi_dh scsi_mod parport_pc lp parport pcspkr xennet dm_raid45 dm_message dm_region_hash dm_log dm_mod dm_mem_cache xenblk ext3 jbd uhci_hcd ohci_hcd ehci_hcd
Pid: 2143, comm: ssh Not tainted 2.6.18-371.1.2.el5.centos.plusxen #1
RIP: e030:[<ffffffff8028072f>] [<ffffffff8028072f>] xen_l2_entry_update+0x9c/0xad
RSP: e02b:ffff8800145ddd68 EFLAGS: 00010282
RAX: ffffffffffffffea RBX: 000000082853d067 RCX: 0000000435370d10
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8800145ddd68
RBP: ffff88003dc6d4c0 R08: 00000000033d3000 R09: 0000000000000aa0
R10: 0000000000007ff0 R11: 0000000000000001 R12: ffff8800142ddd10
R13: 0000000000000006 R14: 00002ac6345da678 R15: ffff88003457e5d0
FS: 00002ab3a59ccee0(0000) GS:ffffffff8063b080(0000) knlGS:0000000000000000
CS: e033 DS: 0000 ES: 0000
Process ssh (pid: 2143, threadinfo ffff8800145dc000, task ffff88003f3c87f0)
Stack: 0000000435370d10 000000082853d067 000000082853d000 ffffffff802170fd
 ffff88002e0e28c0 ffff88003dc6d4c0 00002ac6345da678 ffffffff80208d4b
 0000000000000000 0000000000000000
Call Trace:
 [<ffffffff802170fd>] __pte_alloc+0x1dc/0x285
 [<ffffffff80208d4b>] __handle_mm_fault+0x2fe/0x144f
 [<ffffffff8021f936>] free_pgtables+0x87/0x99
 [<ffffffff80217693>] prio_tree_insert+0x143/0x232
 [<ffffffff80267d48>] do_page_fault+0xf72/0x131b
 [<ffffffff8021d860>] vma_link+0xd0/0xfd
 [<ffffffff8020e74e>] do_mmap_pgoff+0x618/0x783
 [<ffffffff8026082b>] error_exit+0x0/0x6e


Code: 0f 0b 68 cd a8 4a 80 c2 46 00 eb fe 48 83 c4 18 c3 48 b8 ff
RIP [<ffffffff8028072f>] xen_l2_entry_update+0x9c/0xad
 RSP <ffff8800145ddd68>
 <0>Kernel panic - not syncing: Fatal exception


config:

# cat cent59
name = "cent59"
uuid = "36509c4f-a273-7cb6-7b4a-84ab3acd96ee"
maxmem = 1024
memory = 1024
vcpus = 2
on_poweroff = "destroy"
on_reboot = "restart"
on_crash = "preserve"
kernel = "/usr/lib/xen/boot/pv-grub-x86_64.gz"
extra = "(hd0,0)/boot/grub/grub.conf"
#kernel="/tmp/vmlinuz"
#ramdisk="/tmp/initrd.img"
disk = [ "phy:/dev/disk/by-path/ip-192.168.20.53:3260-iscsi-iqn.2013-11.ru.xxxxx.array:xen_cent59-lun-1,xvda,w" ]
vif = [ "mac=00:16:3e:09:61:16,bridge=xenbr0,script=vif-bridge" ]
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,vncpasswd=xxxxx" ]
Steps To Reproducerun script like:

while true; do scp root@DomU:/large.img /dev/null; done
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Issue History

Date Modified Username Field Change
2013-11-06 07:41 serhioz New Issue