[Xen-devel] Guest CentOS 5.4 64bit on-top XCP 0.5 issue / HP ProLiant BL460c G6

[Marco Sinhoreli <msinhore@xxxxxxxxx>]

Hello all:

I've running on-top XCP 0.5 (Xen Hypervisor 3.4.2) a CentOS 5.4 64bit
Guest and it has some issue to finish the boot. In linux kernel boot,
it goes into a loop like this bellow:

<code>
INFO: task swapper:1 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
swapper       D ffff880004217d88     0     1      0     2               (L-TLB)
 ffff880004217c90  0000000000000246  0000000000000000  ffff8800010f3460
 0000000000000008  ffff88000425c7a0  ffff88001fa51860  0000000000001678
 ffff88000425c988  00000000000520a1
Call Trace:
 [<ffffffff80287879>] __wake_up_common+0x3e/0x68
 [<ffffffff80262fb3>] wait_for_completion+0x7d/0xaa
 [<ffffffff8028906a>] default_wake_function+0x0/0xe
 [<ffffffff80258b30>] pdflush+0x0/0x207
 [<ffffffff8029c577>] kthread_create+0xc1/0x141
 [<ffffffff8029c3f2>] keventd_create_kthread+0x0/0xc4
 [<ffffffff80258b30>] pdflush+0x0/0x207
 [<ffffffff802889dd>] enqueue_task+0x41/0x56
 [<ffffffff80288a48>] __activate_task+0x56/0x6d
 [<ffffffff802490c3>] try_to_wake_up+0x392/0x3a4
 [<ffffffff80264931>] _spin_lock_irqsave+0x9/0x14
 [<ffffffff802c1187>] start_one_pdflush_thread+0x1b/0x2e
 [<ffffffff8065d20a>] pdflush_init+0xa/0x13
 [<ffffffff8064c7eb>] init+0x1f9/0x2fe
 [<ffffffff80260b2c>] child_rip+0xa/0x12
 [<ffffffff8064c5f2>] init+0x0/0x2fe
 [<ffffffff80260b22>] child_rip+0x0/0x12
</code>

ThisÂproblemÂoccursÂonlyÂonÂHP bladesÂmodelÂHPÂProLiantÂBL460cÂG6Â[1].
Others serversÂrunningÂXenServerÂor XCPÂtheÂproblemÂdoes not occur.


[1] 
http://h10010.www1.hp.com/wwpc/us/en/sm/WF05a/3709945-3709945-3328410-241641-3328419-3884098.html

Cheers,

--
Marco Sinhoreli

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