[Xen-bugs] [Bug 319] once domU crash, service OS become unusable

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=319





------- Additional Comments From ping.y.yu@xxxxxxxxx  2005-10-13 01:47 -------
to make domU crash, you can use /etc/xen/xmexample1 as script, and just change 
kernel from 2.6.10 to 2.6.12 if using latest unstable version.


once type "reboot" in this, you will get the following information in console.

Out of Memory: Killed process 13242 (crond). 0*4kB 7*8kB 14*16kB 0*32kB 0*64kB 
1*128kB 0
oom-killer: gfp_mask=0xd22048kB_scanned:0 all_unre
DMA per-cpu:reclaimable?
cpu 0 hot: low 30, high 90, batch 15 0*4096kB = 1432kB 
lowmem_reser
Hig
cpu 0 cold: low 0, high 30, batch 15emptykB active:0kB 
Swap cache: add 
cpu 1 hot: low 30, high 90, batch 15896, race 156+425, high 30, batch 15
cpu 1 cold: low 0, high 30, batch 15nreclaimable? 
Free swap  = 1849156k
Normal per-cpu: emptyl
Total swap = 204827
HighMem per-cpu: empty  
Out of Memory: Kill

Free pages:        1396kB (0kB HighMem)kB 1*1024kB 0*2048kBnactive:0k
oom-kill
Active:0 inactive:26 dirty:9 writeback:1213 unstable:0 free:349 slab:13493 
mappe
0kB pages_sca
DMA per-cpu:mptyaimable?
cpu 0 hot: low 30, high 90, batch 15ap c
d:3019 pagetables:10014 396297,
cpu 0 cold: lo
DMA free:1396kB min:1448kB low:1808kB high:2172kB a*low 0
cpu 1 hot: low 30, hig      
             
Free swap  = 1847240kBB pages_scanned:0 all_
Total swap = 2048276kBactive:0kB present:0kB
Out of Memory: Killed process 13394 (hotplug).48kB pres_sca
DMA: 0*4kB 7*8kB 14*16kB 0*32kB 
ip_tables: (C) 2000-2002 Netfilter core team8kB131072kB pag
lowmem_reserve[]: 0 0 0claim
kobject_register failed for ip_tables (-17)096kB = 1432kBgh:192kB active:0k
Normal: em
 [<c02261bb>] kobject_register+0x6b/0x80:0kB
Swap cache: add 414453, delete 4108
 [<c013f921>] mod_sysfs_setup+0x51/0xc0claimable? no0, high 90, batch 15=-4003
 [<c0140e0d>] load_module+0xa9d/0xbd0= 1849200kBable? no, bat
DMA: 0*4
Tot
 [<c0140fdc>] sys_init_module+0x6c/0x240
Out of Memory: Killed process 13091 (10
 [<c01097f9>] syscall_call+0x7/0xbve:0kB inactive:0kB present:(0kB
 
kobject_register failed for ip_tables (-17) high 90, batch 15
HighMem: emptyB pages_sc
 [<c02261bb>] kobject_regi 0, hi                   
iptable_filter: Unknown symbol ipt_do_tableeback:523 unstable:0 free:358 
slab:13531 ma
iptable_filter: Unknown symbol ipt_unregister_tablebatch 15 = 1830140kB0: 
187432300
:3355 pagetables:1
iptable_filter: Unknown symbol ipt_register_table8kB low:1808kB high:2172kB 
active:0kB inactive:44


 [<c02261bb>] kobject_register+0x6b/0x80
 [<c013f921>] mod_sysfs_setup+0x51/0xc0
 [<c0140e0d>] load_module+0xa9d/0xbd0
 [<c0140fdc>] sys_init_module+0x6c/0x240
 [<c01097f9>] syscall_call+0x7/0xb
iptable_filter: Unknown symbol ipt_do_table
iptable_filter: Unknown symbol ipt_unregister_table
iptable_filter: Unknown symbol ipt_register_table
kobject_register failed for ip_tables (-17)
 [<c02261bb>] kobject_register+0x6b/0x80
 [<c013f921>] mod_sysfs_setup+0x51/0xc0
 [<c0140e0d>] load_module+0xa9d/0xbd0
 [<c0140fdc>] sys_init_module+0x6c/0x240
 [<c01097f9>] syscall_call+0x7/0xb
kobject_register failed for ip_tables (-17)
 [<c02261bb>] kobject_register+0x6b/0x80
 [<c013f921>] mod_sysfs_setup+0x51/0xc0
 [<c0140e0d>] load_module+0xa9d/0xbd0
 [<c0140fdc>] sys_init_module+0x6c/0x240
 [<c01097f9>] syscall_call+0x7/0xb
iptable_filter: Unknown symbol ipt_do_table
iptable_filter: Unknown symbol ipt_unregister_table
iptable_filter: Unknown symbol ipt_register_table


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