RE: [Xen-devel] Unable to create guest domain AND mm.c/grant_table.cerrors

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

Are you getting these oopses in generic_page_range with a recent (e.g.
last 24h) xen-usntable tree?  

What are you doing when they occur?

Ian

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Chris Bainbridge
> Sent: 22 September 2005 14:49
> To: xen-devel
> Subject: Re: [Xen-devel] Unable to create guest domain AND 
> mm.c/grant_table.cerrors
> 
> On 22/09/05, Chris Bainbridge <chris.bainbridge@xxxxxxxxx> wrote:
> > On 22/09/05, Ewan Mellor <ewan@xxxxxxxxxxxxx> wrote:
> > > On Thu, Sep 22, 2005 at 10:03:59AM +0100, Chris Bainbridge wrote:
> > > > But the original problem with the block device still persists!
> 
> Here are two oops.
> 
> Oops: 0000 [#1]
> SMP
> CPU:    1
> EIP:    0061:[<c014627a>]    Not tainted VLI
> EFLAGS: 00010206   (2.6.12.5-xen)
> EIP is at generic_page_range+0x23/0x16a
> eax: 00000000   ebx: c6d2c000   ecx: 00000000   edx: 0000031b
> esi: c6d2c000   edi: 00202000   ebp: c0fe5684   esp: c0fe5628
> ds: 007b   es: 007b   ss: 0069
> Process kxbwatch (pid: 2125, threadinfo=c0fe4000 task=c1381a20)
> Stack: 00000000 00000000 00000000 00000000 00000000 00000000 
> 00000000 c6d2d000
>        00000000 00001000 c6d2c000 00202000 c0fe5684 c011587f 
> c011570c c0fe5680
>        00000000 c0fe5694 00001000 00020000 00001000 00000000 
> c0fe5684 00000000
> Call Trace:
>  [<c011587f>] __direct_remap_pfn_range+0x10c/0x14d
>  [<c011570c>] direct_remap_area_pte_fn+0x0/0x67
>  [<c01197e7>] __wake_up+0x38/0x4e
>  [<c021f1fe>] wake_waiting+0x1e/0x27
>  [<c0118b00>] find_busiest_group+0x1bc/0x301
>  [<c0118e93>] load_balance_newidle+0x30/0x8c
>  [<c010af82>] monotonic_clock+0x55/0x95
>  [<c012e465>] search_exception_tables+0x11/0x12
>  [<c0116cd3>] fixup_exception+0xb/0x20
>  [<c011539c>] do_page_fault+0x2ec/0x5cf
>  [<c02de1e7>] schedule+0x417/0xc34
>  [<c010af82>] monotonic_clock+0x55/0x95
>  [<c01197e7>] __wake_up+0x38/0x4e
>  [<c021f482>] xs_input_avail+0x28/0x35
>  [<c021f613>] xb_read+0x184/0x1c4
>  [<c0130efe>] autoremove_wake_function+0x0/0x43
>  [<c0108e1e>] page_fault+0x2e/0x34
>  [<c02e0722>] iret_exc+0x89e/0xb64
>  [<c0146357>] generic_page_range+0x100/0x16a
>  [<c02249d3>] map_frontend_pages+0x33/0x75
>  [<c0224a69>] netif_map+0x53/0x12e
>  [<c022429e>] frontend_changed+0x190/0x222
>  [<c0220471>] watch_thread+0xf2/0x168
>  [<c0130efe>]_function+0x0/0x43
>  [<c0130efe>] autoremove_wake_function+0x98cb>] complete+0x40/0x55
>  [<c022037f>] watch_thread+0x0/0x16] kthread+0xa0/0xd4
>  [<c01309c6>] kthread+0x0/0xd4
>  [<c0106c79>] kernel_thread_helper+0x5/0xb
> Code: b8 2e c0 e8 74 70 fd ff 55 8d 0c 0a 57 56 53 89 d3 83 ec 24 39
> ca 89 44 24 20 89 4c 24 1c 0f 83 19 01 00 00 8b 4c 24 20 c1 ea 16 <8b>
> 41 1c 83 c1 3c 8d 2c 90 89 c8 89 4c 24 10 e8 c9 96 19 00 8b
>  smp_send_stop disable_local_APIC
> 
> 
> (XEN) *** Oops: 0000 [#1]
> SMP
> CPU:    1
> EIP:    0061:[<c014627a>]    Not tainted VLI
> EFLAGS: 00010206   (2.6.12.5-xen)
> EIP is at generic_page_range+0x23/0x16a
> eax: 00000000   ebx: c6d2c000   ecx: 00000000   edx: 0000031b
> esi: c6d2c000   edi: 00202000   ebp: c5a0d684   esp: c5a0d628
> ds: 007b   es: 007b   ss: 0069
> Process kxbwatch (pid: 2098, threadinfo=c5a0c000 task=c2a04a20)
> Stack: 00000000 00000000 00000000 00000000 00000000 00000000 
> 00000000 c6d2d000
>        00000000 00001000 c6d2c000 00202000 c5a0d684 c011587f 
> c011570c c5a0d680
>        00000000 c5a0d694 00001000 00010000 00001000 00000000 
> c5a0d684 00000000
> Call Trace:
>  [<c011587f>] __direct_remap_pfn_range+0x10c/0x14d
>  [<c011570c>] direct_remap_area_pte_fn+0x0/0x67
>  [<c01a464c>] search_by_key+0x41c/0xc48
>  [<c015811e>] bh_lru_install+0xc8/0x125
>  [<c0136ea8>] f39/0x4a
>  [<c01a464c>] search_by_key+0x41c/0xc48
>  [<c0158228>] __find_get_block+0xad/0x10c
>  [<c01a464c>] search_by_key+0x41c/0xc48
>  [<c01a245f>] leaf_paste_entries+0x108/0x1b5
>  [<c020837c>] as_update_arq+0x1e/0x5e
>  [<c020911d>] as_add_request+0x1a6/0x22d
>  [<c0209c70>] as_set_request+0x14/0x63
>  [<c0209c5c>] as_set_request+0x0/0x63
>  [<c015811e>] bh_lru_install+0xc8/0x125
>  [<c0136ea8>] find_get_page+0x39/0x4a
>  [<c01a4ed8>] search_for_position_by_key+0x60/0x37a
>  [<c0158228>] __find_get_block+0xad/0x10c
>  [<c01a464c>] search_by_key+0x41c/0xc48
>  [<c0130efe>] autoremove_wake_function+0x0/0x43
>  [<c01900a1>] make_cpu_key+0x4b/0x5b
>  [<c01a3ec5>] pathrelse+0x1e/0x2c
>  [<c01907c0>] _get_block_create_0+0x4c6/0x698
>  [<c01917dd>] reiserfs_get_block+0xbad/0x11b6
>  [<c01900a1>] make_cpu_key+0x4b/0x5b
>  [<c01907c0>] _get_block_create_0+0x4c6/0x698
>  [<c019a357>] ip_check_balance+0x3f4/0xaf8
>  [<c015811e>] bh_lru_install+0xc8/0x125
>  [<c0136ea8>] find_get_page+0x39/0x4a
>  [<c01a464c>] search_by_key+0x41c/0xc48
>  [<c010af82>] monotonic_clock+0x55/0x95
>  [<c01188e9>] move_tasks+0x1d4/0x22f
>  [<c0118b00>] find_busiest_group+0x1bc/0x301
>  [<c0118e93>] load_balance_newidle+0x30/0x8c
>  [<c010af82>] monotonic_clock+0x55/0x95
>  [<c012e465>] search_exception_tables+0x11/0x12
>  [<c0116cd3>] fixup_exception+0xb/0x20
>  [<c011539c>] do_page_fault+0x2ec/0x5cf
>  [<c02de1e7>] schedule+0x417/0xc34
>  [<c010af82>] monotonic_clock+0x55/0x95
>  [<c01197e7>] __wake_up+0x38/0x4e
>  [<c021f482>] xs_input_avail+0x28/0x35
>  [<c021f613>] xb_read+0x184/0x1c4
>  [<c0130efe>] autoremove_wake_function+0x0/0x43
>  [<c0108e1e>] page_fault+0x2e/0x34
>  [<c02e0722>] iret_exc+0x89e/0xb64
>  [<c0146357>] generic_page_range+0x100/0x16a
>  [<c02249d3>] map_frontend_pages+0x33/0x75
>  [<c0224a69>] netif_map+0x53/0x12e
>  [<c022429e>] frontend_changed+0x190/0x222
>  [<c0220471>] watch_thread+0xf2/0x168
>  [<c0130efe>] autoremove_wake_function+0x0/0x43
>  [<c0130efe>] autoremove_wake_function+0x0/0x43
>  [<c01198cb>] complete+0x40/0x55
>  [<c022037f>] watch_thread+0x0/0x168
>  [<c0130a66>] kthread+0xa0/0xd4
>  [<c01309c6>] kthread+0x0/0xd4
>  [<c0106c79>] kernel_thread_helper+0x5/0xb
> Code: b8 2e c0 e8 74 70 fd ff 55 8d 0c 0a 57 56 53 89 d3 83 ec 24 39
> ca 89 44 24 20 89 4c 24 1c 0f 83 19 01 00 00 8b 4c 24 20 c1 ea 16 <8b>
> 41 1c 83 c1 3c 8d 2c 90 89 c8 89 4c 24 10 e8 c9 96 19 00 8b
>  smp_send_stop disable_local_APIC
> 
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