[Xen-bugs] [Bug 418] Failed to bring cpu 3 back up (-22).

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=418





------- Additional Comments From dbarrera@xxxxxxxxxx  2005-11-18 21:31 -------
It is happening on the restore:

I saved and restored domU. DomU dmesg output after restore:

thinkcentre-domU:~ # dmesg
Linux version 2.6.12.6-xenU (root@thinkcentre-dom0) (gcc version 3.4.2 20041017
(Red Hat 3.4.2-6.fc3)) #1 SMP Fri Nov 18 07:45:08 CST 2005
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 0000000010000000 (usable)
0MB HIGHMEM available.
264MB LOWMEM available.
On node 0 totalpages: 67584
  DMA zone: 67584 pages, LIFO batch:31
  Normal zone: 0 pages, LIFO batch:1
  HighMem zone: 0 pages, LIFO batch:1
IRQ lockup detection disabled
Built 1 zonelists
Kernel command line:  root=/dev/hda6 ro
Initializing CPU#0
PID hash table entries: 2048 (order: 11, 32768 bytes)
Xen reported: 2992.496 MHz processor.
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
vmalloc area: d1000000-f53fe000, maxmem 2d800000
Memory: 255616k/270336k available (1825k kernel code, 6272k reserved, 490k data,
136k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay loop... 5976.88 BogoMIPS (lpj=29884416)
Mount-cache hash table entries: 512
CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000 0000441d
00000000 00000000
CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000 0000441d
00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 1024K
CPU: After all inits, caps: bfebc3f1 00000000 00000000 00000080 0000441d
00000000 00000000
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... disabled
Brought up 1 CPUs
CPU0 attaching sched-domain:
 domain 0: span 01
  groups: 01
NET: Registered protocol family 16
CPU0 attaching sched-domain:
 domain 0: does not load-balance
Enabling SMP...
CPU0 attaching sched-domain:
 domain 0: span 03
  groups: 01 02
CPU1 attaching sched-domain:
 domain 0: span 03
  groups: 02 01
Initializing CPU#1
CPU0 attaching sched-domain:
 domain 0: does not load-balance
CPU1 attaching sched-domain:
 domain 0: does not load-balance
Initializing CPU#2
CPU0 attaching sched-domain:
 domain 0: span 07
  groups: 01 02 04
CPU1 attaching sched-domain:
 domain 0: span 07
  groups: 02 04 01
CPU2 attaching sched-domain:
 domain 0: span 07
  groups: 04 01 02
CPU0 attaching sched-domain:
 domain 0: does not load-balance
CPU1 attaching sched-domain:
 domain 0: does not load-balance
CPU2 attaching sched-domain:
 domain 0: does not load-balance
Initializing CPU#3
CPU0 attaching sched-domain:
 domain 0: span 0f
  groups: 01 02 04 08
CPU1 attaching sched-domain:
 domain 0: span 0f
  groups: 02 04 08 01
CPU2 attaching sched-domain:
 domain 0: span 0f
  groups: 04 08 01 02
CPU3 attaching sched-domain:
 domain 0: span 0f
  groups: 08 01 02 04
Brought up 4 CPUs
xen_mem: Initialising balloon driver.
Grant table initialized
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Xen virtual console successfully installed as tty1
Event-channel device installed.
netfront: Initialising virtual ethernet driver.
Registering block device major 3
NET: Registered protocol family 2
IP: routing cache hash table of 1024 buckets, 16Kbytes
TCP established hash table entries: 16384 (order: 6, 262144 bytes)
TCP bind hash table entries: 16384 (order: 5, 196608 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
NET: Registered protocol family 1
NET: Registered protocol family 17
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 136k freed
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hda6, internal journal
Adding 1048784k swap on /dev/hda5.  Priority:42 extents:1
CPU0 attaching sched-domain:
 domain 0: does not load-balance
CPU1 attaching sched-domain:
 domain 0: does not load-balance
CPU2 attaching sched-domain:
 domain 0: does not load-balance
CPU3 attaching sched-domain:
 domain 0: does not load-balance
CPU0 attaching sched-domain:
 domain 0: span 0d
  groups: 01 04 08
CPU2 attaching sched-domain:
 domain 0: span 0d
  groups: 04 08 01
CPU3 attaching sched-domain:
 domain 0: span 0d
  groups: 08 01 04
CPU0 attaching sched-domain:
 domain 0: does not load-balance
CPU2 attaching sched-domain:
 domain 0: does not load-balance
CPU3 attaching sched-domain:
 domain 0: does not load-balance
CPU0 attaching sched-domain:
 domain 0: span 09
  groups: 01 08
CPU3 attaching sched-domain:
 domain 0: span 09
  groups: 08 01
CPU0 attaching sched-domain:
 domain 0: does not load-balance
CPU3 attaching sched-domain:
 domain 0: does not load-balance
Disabling SMP...
CPU0 attaching sched-domain:
 domain 0: span 01
  groups: 01
CPU0 attaching sched-domain:
 domain 0: does not load-balance
Enabling SMP...
CPU0 attaching sched-domain:
 domain 0: span 03
  groups: 01 02
CPU1 attaching sched-domain:
 domain 0: span 03
  groups: 02 01
CPU0 attaching sched-domain:
 domain 0: does not load-balance
CPU1 attaching sched-domain:
 domain 0: does not load-balance
CPU0 attaching sched-domain:
 domain 0: span 0b
  groups: 01 02 08
CPU1 attaching sched-domain:
 domain 0: span 0b
  groups: 02 08 01
CPU3 attaching sched-domain:
 domain 0: span 0b
  groups: 08 01 02
CPU0 attaching sched-domain:
 domain 0: does not load-balance
CPU1 attaching sched-domain:
 domain 0: does not load-balance
CPU3 attaching sched-domain:
 domain 0: does not load-balance
CPU0 attaching sched-domain:
 domain 0: span 0f
  groups: 01 02 04 08
CPU1 attaching sched-domain:
 domain 0: span 0f
  groups: 02 04 08 01
CPU2 attaching sched-domain:
 domain 0: span 0f
  groups: 04 08 01 02
CPU3 attaching sched-domain:
 domain 0: span 0f
  groups: 08 01 02 04
Failed to bring cpu 2 back up (-22).
Failed to bring cpu 3 back up (-22).


---------

Ryan: yes, I can recreate it.

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