Re: [Xen-devel] help: about arch/x86/xen/multicalls.c

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Aug 06, 2015 at 02:21:04PM +0800, éåç wrote:
> hi all:
>       My linux kernel verison is 2.6.32-15, and I make kernel with xen 
> compileroptions. But when my virual machine start on AWS,it show these log:
> does anyone know how to do?
> 

that is soo ancient I am sorry to say we can't help you there.

Can you update to a newer kernel please.
>        May I no compiler  arch/x86/xen/multicalls.c? How do I can?
> 
> 1 multicall(s) failed: cpu 0
> Pid: 1026, comm: cut_demo_li Tainted: P           2.6.32.15-hermes-1 #10
> Call Trace:
>  [<c1003284>] xen_mc_flush+0xad/0x169
>  [<c1005307>] ? xen_restore_fl_direct_end+0x0/0x1
>  [<c10037ad>] xen_leave_lazy_mmu+0x8/0xf
>  [<c10641c3>] remap_pfn_range+0x311/0x392
>  [<c1060f9e>] ? __do_fault+0x420/0x454
>  [<c1169c87>] mmap_mem+0x5b/0x72
>  [<c1067739>] mmap_region+0x1d2/0x355
>  [<c1067bc9>] do_mmap_pgoff+0x232/0x294
>  [<c105def4>] sys_mmap_pgoff+0x7e/0xe8
>  [<c1006ed8>] sysenter_do_call+0x12/0x2c
> ------------[ cut here ]------------
> WARNING: at arch/x86/xen/multicalls.c:182 xen_mc_flush+0x161/0x169()
> Modules linked in: ncfm_load_lic(P) ncfm_syscfg(P) ncfm_ev(P) ncfm_igb 
> ncfm_ixgbe ncfm_e1000 ncfm_e1000e ncfm_e100 ncfm_r8168 nedrv(P) ncsfkrnl(P)
> Pid: 1026, comm: cut_demo_li Tainted: P           2.6.32.15-hermes-1 #10
> Call Trace:
>  [<c1003338>] ? xen_mc_flush+0x161/0x169
>  [<c102bee2>] warn_slowpath_common+0x60/0x77
>  [<c102bf06>] warn_slowpath_null+0xd/0x10
>  [<c1003338>] xen_mc_flush+0x161/0x169
>  [<c1005307>] ? xen_restore_fl_direct_end+0x0/0x1
>  [<c10037ad>] xen_leave_lazy_mmu+0x8/0xf
>  [<c10641c3>] remap_pfn_range+0x311/0x392
>  [<c1060f9e>] ? __do_fault+0x420/0x454
>  [<c1169c87>] mmap_mem+0x5b/0x72
>  [<c1067739>] mmap_region+0x1d2/0x355
>  [<c1067bc9>] do_mmap_pgoff+0x232/0x294
>  [<c105def4>] sys_mmap_pgoff+0x7e/0xe8
>  [<c1006ed8>] sysenter_do_call+0x12/0x2c
> ---[ end trace 96d9d060aff577eb ]---
> 1 multicall(s) failed: cpu 0
> Pid: 1026, comm: cut_demo_li Tainted: P        W  2.6.32.15-hermes-1 #10
> Call Trace:
>  [<c1003284>] xen_mc_flush+0xad/0x169
>  [<c1005307>] ? xen_restore_fl_direct_end+0x0/0x1
>  [<c10037ad>] xen_leave_lazy_mmu+0x8/0xf
>  [<c10641c3>] remap_pfn_range+0x311/0x392
>  [<c1169c87>] mmap_mem+0x5b/0x72
>  [<c1067739>] mmap_region+0x1d2/0x355
>  [<c1067bc9>] do_mmap_pgoff+0x232/0x294
>  [<c105def4>] sys_mmap_pgoff+0x7e/0xe8
>  [<c1006ed8>] sysenter_do_call+0x12/0x2c
> ------------[ cut here ]------------
> WARNING: at arch/x86/xen/multicalls.c:182 xen_mc_flush+0x161/0x169()
> Modules linked in: ncfm_load_lic(P) ncfm_syscfg(P) ncfm_ev(P) ncfm_igb 
> ncfm_ixgbe ncfm_e1000 ncfm_e1000e ncfm_e100 ncfm_r8168 nedrv(P) ncsfkrnl(P)
> Pid: 1026, comm: cut_demo_li Tainted: P        W  2.6.32.15-hermes-1 #10
> Call Trace:
>  [<c1003338>] ? xen_mc_flush+0x161/0x169
>  [<c102bee2>] warn_slowpath_common+0x60/0x77
>  [<c102bf06>] warn_slowpath_null+0xd/0x10
>  [<c1003338>] xen_mc_flush+0x161/0x169
>  [<c1005307>] ? xen_restore_fl_direct_end+0x0/0x1
>  [<c10037ad>] xen_leave_lazy_mmu+0x8/0xf
>  [<c10641c3>] remap_pfn_range+0x311/0x392
>  [<c1169c87>] mmap_mem+0x5b/0x72
>  [<c1067739>] mmap_region+0x1d2/0x355
>  [<c1067bc9>] do_mmap_pgoff+0x232/0x294
>  [<c105def4>] sys_mmap_pgoff+0x7e/0xe8
>  [<c1006ed8>] sysenter_do_call+0x12/0x2c
> ---[ end trace 96d9d060aff577ec ]---
> BUG: unable to handle kernel paging request at d42da180
> IP: [<c1003c9d>] xen_set_pte+0x14/0x1b
> *pdpt = 0000000014055027 *pde = 0000000000173067 *pte = 80000000142da061
> Oops: 0003 [#1] SMP
> last sysfs file:
> Modules linked in: ncfm_load_lic(P) ncfm_syscfg(P) ncfm_ev(P) ncfm_igb 
> ncfm_ixgbe ncfm_e1000 ncfm_e1000e ncfm_e100 ncfm_r8168 nedrv(P) ncsfkrnl(P)
> 
> Pid: 1026, comm: cut_demo_li Tainted: P        W  (2.6.32.15-hermes-1 #10)
> EIP: 0061:[<c1003c9d>] EFLAGS: 00010246 CPU: 0
> EIP is at xen_set_pte+0x14/0x1b
> EAX: 00000000 EBX: 2127a227 ECX: 0000000c EDX: 00000000
> ESI: 0000000c EDI: d42da180 EBP: d4145ee8 ESP: d4145edc
>  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
> Process cut_demo_li (pid: 1026, ti=d4144000 task=d403c080 task.ti=d4144000)
> Stack:
>  b7830df4 00000000 00000000 d4145f00 c1004ae3 d42da180 00000000 00000000
> <0> 00000000 d4145f84 c1062fc6 2127a227 0000000c d40f0000 d4145f50 b7830df4
> <0> d414a6fc c3bc9e40 2127a227 0000000c 00000000 00000000 00000180 d41c5de0
> Call Trace:
>  [<c1004ae3>] ? xen_set_pte_at+0xbd/0xc3
>  [<c1062fc6>] ? handle_mm_fault+0x476/0xb15
>  [<c104f600>] ? handle_level_irq+0xb3/0xbb
>  [<c1009579>] ? handle_irq+0x3b/0x4a
>  [<c101e24a>] ? do_page_fault+0x17f/0x1e3
>  [<c101e0cb>] ? do_page_fault+0x0/0x1e3
>  [<c12de08e>] ? error_code+0x66/0x6c
>  [<c101e0cb>] ? do_page_fault+0x0/0x1e3
> Code: 00 c7 42 10 00 00 00 00 c7 42 14 f0 7f 00 00 83 c4 0c 5b 5e 5f 5d c3 55 
> 89 e5 57 89 c7 56 89 ce 53 89 d3 e8 3d 90 01 00 89 77 04 <89> 1f 5b 5e 5f 5d 
> c3 55 89 e5 56 89 ce 53 89 c3 83 38 00 0f 84
> EIP: [<c1003c9d>] xen_set_pte+0x14/0x1b SS:ESP 0069:d4145edc
> CR2: 00000000d42da180
> ---[ end trace 96d9d060aff577ed ]---
> note: cut_demo_li[1026] exited with preempt_count 1
> 

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