Re: [Xen-ia64-devel] [Patch][RFC] Avoid to domain_put_page pte of INVALID_M2P_ENTRY

2008-04-25 Thread Isaku Yamahata
On Thu, Apr 24, 2008 at 04:31:15PM +0900, Akio Takebe wrote: Let me look into it. Your stack trace didn't say about what grant table operation. It should GNTTABOP_unmap_grant_ref or GNTTABOP_unmap_and_replace. Do you know which it is? Thank you for you investigating. Both of them called

Re: [Xen-ia64-devel] [Patch][RFC] Avoid to domain_put_page pte of INVALID_M2P_ENTRY

2008-04-25 Thread Akio Takebe
Hi, Isaku On Thu, Apr 24, 2008 at 04:31:15PM +0900, Akio Takebe wrote: Let me look into it. Your stack trace didn't say about what grant table operation. It should GNTTABOP_unmap_grant_ref or GNTTABOP_unmap_and_replace. Do you know which it is? Thank you for you investigating. Both of them

Re: [Xen-ia64-devel] [Patch][RFC] Avoid to domain_put_page pte of INVALID_M2P_ENTRY

2008-04-24 Thread Isaku Yamahata
On Wed, Apr 23, 2008 at 01:54:29PM +0900, Akio Takebe wrote: Content-Description: Mail message body Hi, Hi Akio. This log show that domain_put_page is called 2 times for the same mfn. But the mfn has different mpaddrs. I guess the follwing case is occured: 1. at 1st time, domain_put_page

Re: [Xen-ia64-devel] [Patch][RFC] Avoid to domain_put_page pte of INVALID_M2P_ENTRY

2008-04-24 Thread Akio Takebe
Hi, Isaku On Wed, Apr 23, 2008 at 01:54:29PM +0900, Akio Takebe wrote: Content-Description: Mail message body Hi, Hi Akio. This log show that domain_put_page is called 2 times for the same mfn. But the mfn has different mpaddrs. I guess the follwing case is occured: 1. at 1st time,

[Xen-ia64-devel] [Patch][RFC] Avoid to domain_put_page pte of INVALID_M2P_ENTRY

2008-04-22 Thread Akio Takebe
Hi, When we tested network between domU - dom0 with FTP load tools, we hitted BUG() in hypervisor. It is always reproducible for a few minutes. At that time, we got the following message. vmi15.sky.yk.fujitsu.co.jp login: (XEN) Xen BUG at mm.c:1254 (XEN) FIXME: implement ia64