RE: [Xen-devel] "xm mem-max" problem on PAE xenlinux

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> I tried this on PAE Xen on a machine with 8GB.
> 
> # xm list
> Name                              ID Mem(MiB) VCPUs State  Time(s)
> Domain-0                           0     7964     1 r-----   137.9
> 
> Then, simply
> # xm mem-max 0 5000
> # xm list
> 
> Causes:
> 
> kernel BUG at arch/xen/i386/mm/hypervisor.c:381 
> (xen_create_con tiguous_region)!'

This may possibly be fixed by changeset 7771 (in staging tree)
Patch attached.

Thanks,
Ian


>  [<c0119faa>] xen_create_contiguous_region+0x34a/0x4e0
>  [<c0116ec2>] pgd_ctor+0x22/0x130
>  [<c014b0a7>] cache_init_objs+0x67/0x70
>  [<c014b282>] cache_grow+0x122/0x210
>  [<c014b4e3>] cache_alloc_refill+0x173/0x250  [<c014b805>] 
> kmem_cache_alloc+0x95/0xa0  [<c01170e3>] pgd_alloc+0x23/0x320 
>  [<c0111301>] sync_single+0x51/0xa0  [<c011db23>] 
> mm_init+0xa3/0xe0  [<c011de6e>] copy_mm+0xbe/0x3d0  
> [<c010484c>] force_evtchn_callback+0xc/0x10  [<c011ea97>] 
> copy_process+0x3f7/0xd40  [<c011f4d9>] do_fork+0x69/0x184  
> [<c0223142>] copy_to_user+0x42/0x90  [<c0107b9c>] 
> sys_clone+0x3c/0x40  [<c0109355>] syscall_call+0x7/0xb Kernel 
> panic - not syncing: BUG!
>  (XEN) Domain 0 shutdown: rebooting machine.
> 
> I used:
> changeset:   7745:b9e8654c3f10
> tag:         tip
> user:        kaf24@xxxxxxxxxxxxxxxxxxxx
> date:        Thu Nov 10 19:43:56 2005 +0100
> summary:     Fix Linux fault.c indentation.
> 
> I tried samething on x86_64 xenlinux, but it worked fine.
> 
> Jun
> ---
> Intel Open Source Technology Center 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>

Attachment: foo
Description: foo

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel