RE: [Xen-devel] upgrade 2.6.12 - testing wanted

["Li, Xin B" <xin.b.li@xxxxxxxxx>]

Chris Wright wrote:
> * Vincent Hanquez (vincent.hanquez@xxxxxxxxxxxx) wrote:
>> we are going to upgrade very soon the repository to
>> 2.6.12. 
>> meanwhile I'ld appreciate if some people could test the
>> patch, and see if there's no regressions or anything bad
>> before everybody get to use it. 
> 
> Still working nicely for me on x86_64.

That's a good news for us!

Here I'm still using 2.6.11 xeno64 with your SMP patch, actually, it's
very stable with "init=/bin/bash", I can successfully run "find /" and
"vi".

But once I run a process on cpu 1, it will crash the system.

bash-3.00# taskset 1 ls
bin   etc   lib         media  net   root     srv       tmp
boot  halt  lib64       misc   opt   sbin     sys       usr
dev   home  lost+found  mnt    proc  selinux  tftpboot  var
bash-3.00# taskset 2 ls
(XEN) Domain 0 (vcpu#1) crashed on cpu#1:
(XEN) CPU:    1
(XEN) EIP:    e033:[<0000003d00000000>]
(XEN) EFLAGS: 0000000000000206
(XEN) rax: 00000000000000cc   rbx: 00007ffffffffc20   rcx:
0000003d4b9b29f9   rdx: 00007ffffffffc20
(XEN) rsi: 0000000000000080   rdi: 0000000000000000   rbp:
00007fffffffffaf   rsp: ffff88000f507fc8
(XEN) r8:  0000000000000080   r9:  00007ffffffffc20   r10:
00007ffffffffb80   r11: 0000000000000206
(XEN) r12: 00007fffffffffae   r13: 00007ffffffffe48   r14:
0000000000000004   r15: 0000000000000000
(XEN) Guest stack trace from rsp=ffff88000f507fc8:
(XEN)    0000003d4b9b29f9 0000000000000206 0000003d4b9b29f9
000000000000e033 0000000000000206 00007fffffffde30 000000000000e02b
(XEN) Domain 0 shutdown: rebooting machine.

So, I think cpu 1 is not completely properly initialized for running
user applications.

BTW, when can you share us your SMP patch against 2.6.12?

-Xin

> 
> thanks,
> -chris
> 
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