I can try out a test kernel too.
On May 15, 2013 11:56 AM, "Justin Dossey" <email address hidden>
wrote:

> Yes, I can try a test kernel.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1007082
>
> Title:
>   BUG: Bad page state in process node  pfn:8e9d9
>
> Status in “linux” package in Ubuntu:
>   Incomplete
>
> Bug description:
>   Ubuntu 12.04 LTS (GNU/Linux 3.2.0-23-virtual x86_64)
>
>   Running Ubuntu 12.04 on 64bit EC2 instance...  occasionally the
>   instance becomes unresponsive and requires a reboot.  Here is the
>   System Log from the EC2 console:
>
>   [16357652.971938] BUG: Bad page state in process node  pfn:8e9d9
>   [16357652.971947] page:ffffea00023a7640 count:0 mapcount:-127 mapping:
>        (null) index:0x7f89dc026
>   [16357652.971954] page flags: 0x100000000000000()
>   [16357652.971960] Modules linked in: isofs acpiphp
>   [16357652.971970] Pid: 14135, comm: node Tainted: G    B D
>  3.2.0-23-virtual #36-Ubuntu
>   [16357652.971976] Call Trace:
>   [16357652.971988]  [<ffffffff8111c19f>] bad_page.part.61+0x9f/0xf0
>   [16357652.971994]  [<ffffffff8111c208>] bad_page+0x18/0x30
>   [16357652.972000]  [<ffffffff8111d3c5>] prep_new_page+0x1d5/0x1e0
>   [16357652.972008]  [<ffffffff8100aa32>] ? check_events+0x12/0x20
>   [16357652.972017]  [<ffffffff8113204f>] ? __inc_zone_state+0x5f/0x70
>   [16357652.972023]  [<ffffffff8111d59f>]
> get_page_from_freelist+0x1cf/0x540
>   [16357652.972031]  [<ffffffff8100a25d>] ?
> xen_force_evtchn_callback+0xd/0x10
>   [16357652.972038]  [<ffffffff8111dba9>]
> __alloc_pages_nodemask+0x109/0x800
>   [16357652.972044]  [<ffffffff81005001>] ? xen_mc_extend_args+0x111/0x150
>   [16357652.972051]  [<ffffffff8100a25d>] ?
> xen_force_evtchn_callback+0xd/0x10
>   [16357652.972059]  [<ffffffff8116b6c0>] ?
> __mem_cgroup_commit_charge+0x70/0xc0
>   [16357652.972066]  [<ffffffff81006739>] ? pte_mfn_to_pfn+0x89/0xf0
>   [16357652.972075]  [<ffffffff8115672a>] alloc_pages_vma+0x9a/0x150
>   [16357652.972081]  [<ffffffff81136f5c>]
> do_anonymous_page.isra.38+0x7c/0x2f0
>   [16357652.972088]  [<ffffffff8113abc1>] handle_pte_fault+0x1e1/0x200
>   [16357652.972094]  [<ffffffff810067be>] ? xen_pmd_val+0xe/0x10
>   [16357652.972100]  [<ffffffff81005209>] ?
> __raw_callee_save_xen_pmd_val+0x11/0x1e
>   [16357652.972108]  [<ffffffff8113af98>] handle_mm_fault+0x1f8/0x350
>   [16357652.972116]  [<ffffffff81658ddb>] do_page_fault+0x14b/0x520
>   [16357652.972122]  [<ffffffff81140e08>] ? do_mmap_pgoff+0x348/0x360
>   [16357652.972129]  [<ffffffff81140f75>] ? sys_mmap_pgoff+0x155/0x230
>   [16357652.972135]  [<ffffffff81655a35>] page_fault+0x25/0x30
>   [16357652.972141] BUG: Bad page state in process node  pfn:593da
>   [16357652.972146] page:ffffea000164f680 count:0 mapcount:-127 mapping:
>        (null) index:0x7f89dc027
>   [16357652.972208] page flags: 0x100000000000000()
>   [16357652.972213] Modules linked in: isofs acpiphp
>   [16357652.972221] Pid: 14135, comm: node Tainted: G    B D
>  3.2.0-23-virtual #36-Ubuntu
>   [16357652.972227] Call Trace:
>   [16357652.972232]  [<ffffffff8111c19f>] bad_page.part.61+0x9f/0xf0
>   [16357652.972238]  [<ffffffff8111c208>] bad_page+0x18/0x30
>   [16357652.972244]  [<ffffffff8111d3c5>] prep_new_page+0x1d5/0x1e0
>   [16357652.972251]  [<ffffffff8100aa32>] ? check_events+0x12/0x20
>   [16357652.972257]  [<ffffffff8113204f>] ? __inc_zone_state+0x5f/0x70
>   [16357652.972264]  [<ffffffff8111d59f>]
> get_page_from_freelist+0x1cf/0x540
>   [16357652.972271]  [<ffffffff8100a25d>] ?
> xen_force_evtchn_callback+0xd/0x10
>   [16357652.972278]  [<ffffffff8111dba9>]
> __alloc_pages_nodemask+0x109/0x800
>   [16357652.972284]  [<ffffffff81005001>] ? xen_mc_extend_args+0x111/0x150
>   [16357652.972291]  [<ffffffff8100a25d>] ?
> xen_force_evtchn_callback+0xd/0x10
>   [16357652.972298]  [<ffffffff8116b6c0>] ?
> __mem_cgroup_commit_charge+0x70/0xc0
>   [16357652.972305]  [<ffffffff81006739>] ? pte_mfn_to_pfn+0x89/0xf0
>   [16357652.972311]  [<ffffffff8115672a>] alloc_pages_vma+0x9a/0x150
>   [16357652.972318]  [<ffffffff81136f5c>]
> do_anonymous_page.isra.38+0x7c/0x2f0
>   [16357652.972325]  [<ffffffff8113abc1>] handle_pte_fault+0x1e1/0x200
>   [16357652.972331]  [<ffffffff810067be>] ? xen_pmd_val+0xe/0x10
>   [16357652.972337]  [<ffffffff81005209>] ?
> __raw_callee_save_xen_pmd_val+0x11/0x1e
>   [16357652.972345]  [<ffffffff8113af98>] handle_mm_fault+0x1f8/0x350
>   [16357652.972351]  [<ffffffff81658ddb>] do_page_fault+0x14b/0x520
>   [16357652.972358]  [<ffffffff81140e08>] ? do_mmap_pgoff+0x348/0x360
>   [16357652.972364]  [<ffffffff81140f75>] ? sys_mmap_pgoff+0x155/0x230
>   [16357652.972371]  [<ffffffff81655a35>] page_fault+0x25/0x30
>   [16357652.972377] BUG: Bad page state in process node  pfn:58a7f
>   [16357652.972382] page:ffffea0001629fc0 count:0 mapcount:-127 mapping:
>        (null) index:0x7f89dc028
>   [16357652.972389] page flags: 0x100000000000000()
>   ---
>   AcpiTables:
>
>   AlsaDevices:
>    total 0
>    crw-rw---T 1 root audio 116,  1 May 31 15:39 seq
>    crw-rw---T 1 root audio 116, 33 May 31 15:39 timer
>   AplayDevices: Error: [Errno 2] No such file or directory
>   ApportVersion: 2.0.1-0ubuntu5
>   Architecture: amd64
>   ArecordDevices: Error: [Errno 2] No such file or directory
>   AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
> '/dev/snd/timer'] failed with exit code 1:
>   CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1:
> nl80211 not found.
>   DistroRelease: Ubuntu 12.04
>   Ec2AMI: ami-563b9d3f
>   Ec2AMIManifest: (unknown)
>   Ec2AvailabilityZone: us-east-1a
>   Ec2InstanceType: m1.large
>   Ec2Kernel: aki-825ea7eb
>   Ec2Ramdisk: unavailable
>   IwConfig:
>    lo        no wireless extensions.
>
>    eth0      no wireless extensions.
>   Lspci:
>
>   Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to
> initialize libusb: -99
>   Package: linux (not installed)
>   PciMultimedia:
>
>   ProcEnviron:
>    TERM=xterm
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   ProcFB:
>
>   ProcKernelCmdLine: root=LABEL=cloudimg-rootfs ro console=hvc0
>   ProcModules:
>    acpiphp 24231 0 - Live 0x0000000000000000
>    isofs 40257 0 - Live 0x0000000000000000
>   ProcVersionSignature: User Name 3.2.0-23.36-virtual 3.2.14
>   RelatedPackageVersions:
>    linux-restricted-modules-3.2.0-23-virtual N/A
>    linux-backports-modules-3.2.0-23-virtual  N/A
>    linux-firmware                            1.79
>   RfKill: Error: [Errno 2] No such file or directory
>   Tags:  precise ec2-images
>   Uname: Linux 3.2.0-23-virtual x86_64
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   UserGroups: adm admin audio cdrom dialout dip floppy netdev plugdev video
>
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