Re: [Xen-devel] Problems creating DomUs with large memory system/PAEenabled

[David F Barrera <dfbp@xxxxxxxxxx>]

I have a similar system, IBM xSeries 335, 4 procs and 4GB memory, with 
SLES 9, PAE enabled, which is working fine.  I am currently running test 
workloads on both dom0 and domU.
changeset:   7029:43edce5b75d6
tag:         tip
user:        kaf24@xxxxxxxxxxxxxxxxxxxx
date:        Thu Sep 22 14:59:31 2005 +0100
summary:     Remove file from sparse tree.

Subrahmanian, Raj wrote:

> I am running Xen on an ES7000 system with 4 procs and 4 GB memory.
> I am running Suse Sles-9 (32-bit) on the machine.
>
> I have compiled Xen (the tip on the unstable tree : ) with PAE enabled
> (XEN_TARGET_X86_PAE=y). 
> The system boots fine.
> I started xend and when I tried to bring up a virtual machine, the
> system crashed.
> This is what I see on the serial output.
>
> Raj
>
> (XEN) (file=traps.c, line=960) Non-priv domain attempted
> RDMSR(c0000080,00000000,00100000).
> (XEN) (file=traps.c, line=952) Non-priv domain attempted
> WRMSR(c0000080,00000800,00000000).
> (XEN) CPU:    3
> (XEN) EIP:    e008:[<ff1415b8>] get_page+0xd8/0x11a
> (XEN) EFLAGS: 00010282   CONTEXT: hypervisor
> (XEN) eax: 80000001   ebx: 80000002   ecx: ffbe2080   edx: ffbe2080
> (XEN) esi: f7c57c7c   edi: 00000000   ebp: ff1fddd8   esp: ff1fdd90
> (XEN) cr0: 8005003b   cr3: e742e000
> (XEN) ds: e010   es: e010   fs: 0000   gs: 0000   ss: e010   cs: e008
> (XEN) Xen stack trace from esp=ff1fdd90:
> (XEN)    00000000 ff11ec69 ffbe1080 00000038 00000067 00000001 fed6b020
> ff1fddfc 
> (XEN)    ffbe2080 00000000 ffbe2080 ffbe2080 ffbe2080 80000001 80000002
> 80000001 
> (XEN)    fde00000 0042e008 ff1fddf8 ff141630 f7c57c70 ffbe2080 ff1fde58
> 00000286 
> (XEN)    0000016b ff1fddfc ff1fde38 ff13945f f7c57c70 ffbe2080 e0000000
> 000003a9 
> (XEN)    00000004 000003aa 000003a9 ff18f56c 80000063 ffbe2088 f7c57c70
> 000d8fda 
> (XEN)    d8fda063 80000000 ff1fde78 ff13f609 d8fda063 80000000 ffbe2080
> ff144cf7 
> (XEN)    ff1fde80 00000020 ff1fde78 ff14483d 00000000 00000001 d8fda063
> 80000000 
> (XEN)    00000000 00000000 ff1fdec8 ff13f90b ffbe2080 fed6d000 ffbad000
> 000003a6 
> (XEN)    e7494061 00000000 e7494063 00000000 00000000 00000000 ffbfa000
> fde00000 
> (XEN)    e7494061 00000000 fed6d000 c0000005 0042e008 fdfef000 ff1fdf48
> ff14032a 
> (XEN)    ffbe2080 00000000 00000008 00000004 e742c067 00000000 000e742d
> 00000000 
> (XEN)    00000000 00000001 00000000 00000000 00000008 fde02170 ff1fdf28
> 00000600 
> (XEN)    00000001 00000000 e742c067 00000000 00000000 fdfef000 e742c021
> 00000000 
> (XEN)    f7dae420 000e742c fed6a000 ffbe1080 0042e008 00000000 ff1fdf78
> ff148222 
> (XEN)    ffbe2080 c042e00c ff1fdfb4 00000001 00000000 f7dae438 00000001
> 00000003 
> (XEN)    ffbe2080 ffbe1080 ff1fdfa8 ff1482a7 c042e00c ff1fdfb4 00000001
> 00e02037 
> (XEN)    ff15cd6f c0355ea4 00000001 00000001 00007ff0 c042e00c 00e02037
> ff15d002 
> (XEN)    ff1fdfb4 ffffffff e7492063 00000000 0042e008 00000000 c0001000
> e7492063 
> (XEN)    000e0003 c0115af6 0000e019 00010202 c0355ea0 0000e021 0000e021
> 0000e021 
> (XEN)    00000000 00000000 00000003 ffbe1080 
> (XEN) Xen call trace:
> (XEN)    [<ff1415b8>] get_page+0xd8/0x11a
> (XEN)    [<ff141630>] get_page_and_type+0x18/0x4e
> (XEN)    [<ff13945f>] get_page_from_l1e+0x273/0x298
> (XEN)    [<ff13f609>] revalidate_l1+0x109/0x1a4
> (XEN)    [<ff13f90b>] ptwr_flush+0x267/0x32f
> (XEN)    [<ff14032a>] ptwr_do_page_fault+0x2fc/0x57c
> (XEN)    [<ff148222>] fixup_page_fault+0x1ef/0x256
> (XEN)    [<ff1482a7>] do_page_fault+0x1e/0x104
> (XEN)    [<ff15d002>] error_code+0x62/0x7d
> (XEN)    
> (XEN) 
> (XEN) ****************************************
> (XEN) Panic on CPU 3:
> (XEN) CPU3 FATAL TRAP: vector = 17 (alignment check)
> (XEN) [error_code=0000]
> (XEN) ****************************************
> (XEN) 
> (XEN) Reboot in five seconds...
>
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>
>  
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