Re: [Xen-users] jre causes soft lockup

[David F Barrera <dfbp@xxxxxxxxxx>]

I wrote up a defect for that some time ago:
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=543

Adam vonNieda wrote:
>    Hi folks,
>
>    As the subject says, I'm running a java process that consistently 
> crashes my xenU domain. It's not an in-house written application, it's 
> an oracle delivered utility, srvctl, which calls the jre. Below is 
> some info. Let me know if there's other info I should be posting as 
> well, this is my first post. Any insight would be appreciated.
>    Thanks very much,
>
>           -Adam vonNieda
>
> BUG: soft lockup detected on CPU#0!
>                                               
> Pid: 19376, comm:             crsd.bin
> EIP: 0061:[<c01e1699>] CPU: 0        
> EIP is at _raw_spin_lock+0x4f/0xd9
>  EFLAGS: 00000246    Not tainted  (2.6.15-1.2054_FC5xenU #1)
> EAX: 00000001 EBX: c8f4c000 ECX: 00160460 EDX: c1160460    
> ESI: ca78601c EDI: ca511d14 EBP: cb023164 DS: 007b ES: 007b
> CR0: 8005003b CR2: 0023f1a1 CR3: 0a786000 CR4: 00000640   
>  [<c029c933>] _spin_lock+0x6/0x8                      
>  [<c0144686>] __handle_mm_fault+0x924/0xa08
>  [<c01e1719>] _raw_spin_lock+0xcf/0xd9    
>  [<c029c923>] _spin_unlock+0x6/0x8   
>  [<c014298b>] follow_page+0x108/0x155
>  [<c01451f5>] get_user_pages+0x1e4/0x2b2
>  [<c017b0c9>] elf_core_dump+0x8c1/0xa6f
>  [<c015ddb0>] do_coredump+0x600/0x693 
>  [<d1021500>] dm_table_unplug_all+0x1b/0x31 [dm_mod]
>  [<c029ca7d>] _spin_unlock_irqrestore+0x9/0x31     
>  [<c0111bb0>] try_to_wake_up+0x2fd/0x307     
>  [<c0122b20>] get_signal_to_deliver+0x45e/0x490
>  [<c010e57d>] do_page_fault+0x0/0x6a8         
>  [<c01042ad>] do_notify_resume+0x71/0x5f8
>  [<c01372df>] handle_IRQ_event+0x64/0x85
>  [<c010e6c4>] do_page_fault+0x147/0x6a8
>  [<c010eb1a>] do_page_fault+0x59d/0x6a8
>  [<c010e57d>] do_page_fault+0x0/0x6a8 
>  [<c0104bd3>] work_notifysig+0x13/0x18
> xm info
>
> system                 : Linux
> host                   : fedora
> release                : 2.6.15-1.2054_FC5xen0
> version                : #1 SMP Tue Mar 14 16:23:33 EST 2006
> machine                : i686
> nr_cpus                : 2
> nr_nodes               : 1
> sockets_per_node       : 1
> cores_per_socket       : 1
> threads_per_core       : 2
> cpu_mhz                : 2594
> hw_caps                : bfebfbff:00000000:00000000:00000080:00004400
> total_memory           : 1016
> free_memory            : 2
> xen_major              : 3
> xen_minor              : 0
> xen_extra              : .0
> xen_caps               : xen-3.0-x86_32
> platform_params        : virt_start=0xfc000000
> xen_changeset          : unavailable
> cc_compiler            : gcc version 4.1.0 20060304 (Red Hat 4.1.0-3)
> cc_compile_by          : bhcompile
> cc_compile_domain      : build.redhat.com <http://build.redhat.com>
> cc_compile_date        : Tue Mar 14 15:45:40 EST 2006
>
> ------------------------------------------------------------------------
>
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--

Regards,

David F Barrera
Linux Technology Center
Systems and Technology Group, IBM

"The wisest men follow their own direction. "
                                                     Euripides 


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