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[Sander Jonkers <1440419@xxxxxxxxxxxxxxxxxx>]

Ouch. I had looked for a BIOS upgrade, but I had not been able to find
it. Thank you for your work.

I just upgraded to F.06 (now: "DMI: Hewlett-Packard HP Stream Notebook
PC 13/802A, BIOS F.06 01/06/2015"), and I'll monitor the effect.

Thanks again.

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https://bugs.launchpad.net/bugs/1440419

Title:
  Memory corruption detected in low memory

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  The below logging is shown in dmesg. I'm not sure if it's a
  kernel/software or a hardware problem.

  
  [za apr  4 13:07:54 2015] ACPI Error: [PMIN] Namespace lookup failure, AE_NOT_FOUND (20141107/psargs-359)
  [za apr  4 13:07:54 2015] ACPI Error: Method parse/execution failed [\_SB_.PCI0.LPCB.EC0_._Q33] (Node ffff8800768a8988), AE_NOT_FOUND (20141107/psparse-536)
  [za apr  4 13:08:46 2015] Corrupted low memory at ffff8800000013d0 (13d0 phys) = d07000000000000
  [za apr  4 13:08:46 2015] Corrupted low memory at ffff8800000013d8 (13d8 phys) = 00003406
  [za apr  4 13:08:46 2015] ------------[ cut here ]------------
  [za apr  4 13:08:46 2015] WARNING: CPU: 0 PID: 8656 at /build/buildd/linux-3.19.0/arch/x86/kernel/check.c:140 check_for_bios_corruption+0xcb/0x120()
  [za apr  4 13:08:46 2015] Memory corruption detected in low memory
  [za apr  4 13:08:46 2015] Modules linked in: nls_utf8 btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c rfcomm bnep nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic btusb hid_generic bluetooth intel_rapl intel_soc_dts_thermal hp_wmi sparse_keymap intel_powerclamp coretemp joydev kvm_intel kvm crct10dif_pclmul snd_intel_sst_acpi crc32_pclmul snd_intel_sst_core ghash_clmulni_intel snd_soc_rt5640 snd_soc_sst_mfld_platform snd_soc_rl6231 cryptd snd_soc_core serio_raw snd_compress snd_pcm_dmaengine arc4 snd_seq_midi snd_seq_midi_event rtl8723be btcoexist snd_rawmidi snd_hda_intel rtl8723_common snd_hda_controller rtl_pci uvcvideo rtlwifi videobuf2_vmalloc snd_hda_codec videobuf2_memops videobuf2_core mac80211 i915 snd_hwdep v4l2_common usbhid videodev media snd_seq
  [za apr  4 13:08:46 2015]  rtsx_pci_ms cfg80211 drm_kms_helper memstick lpc_ich snd_pcm snd_seq_device drm mei_txe snd_timer mei shpchp i2c_algo_bit iosf_mbi wmi video hp_wireless snd dw_dmac dw_dmac_core int3400_thermal int3403_thermal acpi_thermal_rel processor_thermal_device intel_smartconnect mac_hid rfkill_gpio i2c_hid hid soundcore i2c_designware_platform i2c_designware_core snd_soc_sst_acpi 8250_dw spi_pxa2xx_platform pwm_lpss_platform pwm_lpss parport_pc ppdev lp parport autofs4 mmc_block rtsx_pci_sdmmc psmouse rtsx_pci sdhci_acpi sdhci
  [za apr  4 13:08:46 2015] CPU: 0 PID: 8656 Comm: kworker/0:0 Not tainted 3.19.0-12-generic #12-Ubuntu
  [za apr  4 13:08:46 2015] Hardware name: Hewlett-Packard HP Stream Notebook PC 13/802A, BIOS F.05 11/28/2014
  [za apr  4 13:08:46 2015] Workqueue: events check_corruption
  [za apr  4 13:08:46 2015]  ffffffff81a91c30 ffff8800725b7cf8 ffffffff817c2175 0000000000000007
  [za apr  4 13:08:46 2015]  ffff8800725b7d48 ffff8800725b7d38 ffffffff8107595a ffff8800000013d8
  [za apr  4 13:08:46 2015]  0000000000000000 ffff880000010000 ffffffff81ede350 0000000000000001
  [za apr  4 13:08:46 2015] Call Trace:
  [za apr  4 13:08:46 2015]  [<ffffffff817c2175>] dump_stack+0x45/0x57
  [za apr  4 13:08:46 2015]  [<ffffffff8107595a>] warn_slowpath_common+0x8a/0xc0
  [za apr  4 13:08:46 2015]  [<ffffffff810759d6>] warn_slowpath_fmt+0x46/0x50
  [za apr  4 13:08:46 2015]  [<ffffffff810135e0>] ? __switch_to+0x150/0x5e0
  [za apr  4 13:08:46 2015]  [<ffffffff8105c84b>] check_for_bios_corruption+0xcb/0x120
  [za apr  4 13:08:46 2015]  [<ffffffff8105c8ae>] check_corruption+0xe/0x40
  [za apr  4 13:08:46 2015]  [<ffffffff8108eb78>] process_one_work+0x158/0x430
  [za apr  4 13:08:46 2015]  [<ffffffff8108f6bb>] worker_thread+0x5b/0x530
  [za apr  4 13:08:46 2015]  [<ffffffff8108f660>] ? rescuer_thread+0x3a0/0x3a0
  [za apr  4 13:08:46 2015]  [<ffffffff81094759>] kthread+0xc9/0xe0
  [za apr  4 13:08:46 2015]  [<ffffffff81094690>] ? kthread_create_on_node+0x1c0/0x1c0
  [za apr  4 13:08:46 2015]  [<ffffffff817c91d8>] ret_from_fork+0x58/0x90
  [za apr  4 13:08:46 2015]  [<ffffffff81094690>] ? kthread_create_on_node+0x1c0/0x1c0
  [za apr  4 13:08:46 2015] ---[ end trace 70c303625ab83eae ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-12-generic 3.19.0-12.12
  ProcVersionSignature: Ubuntu 3.19.0-12.12-generic 3.19.3
  Uname: Linux 3.19.0-12-generic x86_64
  ApportVersion: 2.17-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  sander     1612 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sat Apr  4 23:39:09 2015
  HibernationDevice: RESUME=UUID=1cce7297-b185-4592-a4a0-dfdc069ad5a1
  InstallationDate: Installed on 2015-02-03 (59 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150203)
  MachineType: Hewlett-Packard HP Stream Notebook PC 13
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-12-generic root=UUID=07d60846-8d52-4911-b233-7e5b8611e217 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-12-generic N/A
   linux-backports-modules-3.19.0-12-generic  N/A
   linux-firmware                             1.143
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/28/2014
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.05
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 802A
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 56.10
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.05:bd11/28/2014:svnHewlett-Packard:pnHPStreamNotebookPC13:pvrType1-ProductConfigId:rvnHewlett-Packard:rn802A:rvr56.10:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Stream Notebook PC 13
  dmi.product.version: Type1 - ProductConfigId
  dmi.sys.vendor: Hewlett-Packard

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