RE: [Xen-devel] Latest Pv_ops dom0 fails to boot

["Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx>]

Seems it is caused by newly-introduced 
hypercall(VCPUOP_register_vcpu_time_memory_area) for setting memory area for 
vcpu time.  Try the following patch(Just disable Xen_TIM_VSYSCALL) to have a 
try.
Xiantao
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index 1e306c8..20b0133 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -15,7 +15,7 @@ config XEN
          Xen hypervisor.

 config XEN_TIME_VSYSCALL
-       def_bool y
+       def_bool n
        depends on X86_VSYSCALL && PARAVIRT_CLOCK
        select PARAVIRT_CLOCK_VSYSCALL


-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Jeremy Fitzhardinge
Sent: Wednesday, October 28, 2009 3:23 AM
To: Xu, Jiajun
Cc: 'xen-devel@xxxxxxxxxxxxxxxxxxx'
Subject: Re: [Xen-devel] Latest Pv_ops dom0 fails to boot

On 10/26/09 06:55, Xu, Jiajun wrote:
> Hi,
> I found latest pv_ops dom0, commit 3dd81018a392941fcc722ee521de344527481eb8,  
> fails to boot with call trace. And commit 
> 34ffcd2bde0018cf78d5b4f1f5427c38a3e9b502 has no such issue. Could anyone help 
> on this issue?
>   

Could you post a full log?

Thanks,
    J

> Call trace messages:
> #######
> Mounting proc filesystem
> Mounting sysfs filesystem
> Creating /dev
> [    0.860962] init[1]: segfault at ffffffff8104f1e8 ip ffffffff8104f1e8 sp
> 00007fff5b08a578 error 14
> [    0.862448] init[1]: segfault at ffffffff8104f1e8 ip 00000000005b7828 sp
> 00007fff5b089cb0 error 4 in nash[400000+239000]
> [    0.862695] Kernel panic - not syncing: Attempted to kill init!
> [    0.862702] Pid: 1, comm: init Not tainted 2.6.31.4 #1
> [    0.862708] Call Trace:
> [    0.862721]  [<ffffffff8106a6b9>] panic+0xa0/0x15f
> [    0.862730]  [<ffffffff8109d3f1>] ? atomic_add_unless+0x29/0x42
> [    0.862739]  [<ffffffff810901bd>] ? raw_local_irq_disable+0x19/0x1b
> [    0.862748]  [<ffffffff8152d02e>] ? _write_lock_irq+0xd/0x21
> [    0.862756]  [<ffffffff8107327b>] ? raw_local_irq_enable+0x19/0x1b
> [    0.862763]  [<ffffffff81073b65>] ? exit_ptrace+0xa0/0x110
> [    0.862770]  [<ffffffff810901bd>] ? raw_local_irq_disable+0x19/0x1b
> [    0.862777]  [<ffffffff8106d4d1>] do_exit+0x79/0x629
> [    0.862784]  [<ffffffff8106db22>] sys_exit_group+0x0/0x16
> [    0.862791]  [<ffffffff81077a74>] get_signal_to_deliver+0x312/0x335
> [    0.862800]  [<ffffffff8103215f>] do_notify_resume+0x8b/0x717
> [    0.862807]  [<ffffffff810e2d64>] ? print_vma_addr+0xf8/0x101
> [    0.862815]  [<ffffffff8104f1e8>] ? scale_delta+0x0/0x26
> [    0.862823]  [<ffffffff811fa288>] ? __up_read+0x84/0x8c
> [    0.862830]  [<ffffffff8104f1e8>] ? scale_delta+0x0/0x26
> [    0.862837]  [<ffffffff81052c44>] ? bad_area_nosemaphore+0xe/0x10
> [    0.862844]  [<ffffffff8152f258>] ? do_page_fault+0x14c/0x271
> [    0.862852]  [<ffffffff8103375c>] retint_signal+0x48/0x8c
> [    0.862858]  [<ffffffff8104f1e8>] ? scale_delta+0x0/0x26
> #######
>
>
> Best Regards
> Jiajun
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
>   


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