Hi
Have run 3.5.0.37 for a few days now on my Quantal install with i7 and it is fine. No freezes at all. Thank you so much.
Sent from my mobile
Brad Figg <email address hidden> wrote:
>I have Quantal kernels built with 899b550 "drm/i915: GFX_MODE Flush TLB >Invalidate Mode must be '1' for scanline waits" reverted. > >Please test the appropriate kernel for your configuration and let us >know if they resolve this issue for you. > >They can be found at: > http://people.canonical.com/~bradf/lp1140716/ > >-- >You received this bug notification because you are subscribed to a >duplicate bug report (1160294). >https://bugs.launchpad.net/bugs/1140716 > >Title: > [regression] 3.5.0-26-generic and 3.2.0-39-generic GPU hangs on > Sandybridge > >Status in “linux” package in Ubuntu: > Invalid >Status in “linux-lts-quantal” package in Ubuntu: > Invalid >Status in “linux” source package in Precise: > Confirmed >Status in “linux-lts-quantal” source package in Precise: > Confirmed >Status in “linux” source package in Quantal: > Confirmed >Status in “linux-lts-quantal” source package in Quantal: > Invalid >Status in “linux” source package in Raring: > Invalid >Status in “linux-lts-quantal” source package in Raring: > Invalid > >Bug description: > I'm getting errors about GPU hangs every minute or so (usually only > when using FF and scrolling a webpage or something). I also get an > annoying ubuntu dialog saying there is a "system error". > > This didn't happen with 3.5.0-24-generic. > > Here is the dmesg: > [15169.033709] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [15169.034517] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off > [15628.480216] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [15628.480570] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off > [15844.231372] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [15844.231773] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off > [20173.232593] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [20173.233211] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off > [26285.650393] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [26285.650980] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off > [26285.658405] ------------[ cut here ]------------ > [26285.658472] WARNING: at /build/buildd/linux-3.5.0/drivers/gpu/drm/i915/intel_pm.c:2505 gen6_enable_rps+0x706/0x710 [i915]() > [26285.658474] Hardware name: SATELLITE Z830 > [26285.658476] Modules linked in: sdhci_pci sdhci btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs ext2 snd_hda_codec_hdmi snd_hda_codec_realtek joydev btusb coretemp kvm_intel kvm arc4 ghash_clmulni_intel aesni_intel cryptd aes_x86_64 snd_hda_intel snd_hda_codec snd_hwdep uvcvideo snd_pcm videobuf2_core microcode videodev bnep iwlwifi videobuf2_vmalloc snd_seq_midi psmouse videobuf2_memops snd_rawmidi rfcomm pcspkr snd_seq_midi_event serio_raw snd_seq bluetooth mac80211 snd_timer snd_seq_device i915 drm_kms_helper cfg80211 drm toshiba_acpi snd sparse_keymap soundcore wmi i2c_algo_bit toshiba_bluetooth snd_page_alloc parport_pc mei video mac_hid lpc_ich ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc lp parport e1000e ahci libahci [last unloaded: sdhci] > [26285.658537] Pid: 23433, comm: kworker/u:0 Not tainted 3.5.0-26-generic #40-Ubuntu > [26285.658539] Call Trace: > [26285.658549] [<ffffffff81051bef>] warn_slowpath_common+0x7f/0xc0 > [26285.658553] [<ffffffff81051c4a>] warn_slowpath_null+0x1a/0x20 > [26285.658569] [<ffffffffa02d32e6>] gen6_enable_rps+0x706/0x710 [i915] > [26285.658584] [<ffffffffa02bf3f6>] intel_modeset_init_hw+0x66/0xa0 [i915] > [26285.658595] [<ffffffffa02954b4>] i915_reset+0x1a4/0x6e0 [i915] > [26285.658601] [<ffffffff8101257b>] ? __switch_to+0x12b/0x420 > [26285.658612] [<ffffffffa029a943>] i915_error_work_func+0xc3/0x110 [i915] > [26285.658618] [<ffffffff8107097a>] process_one_work+0x12a/0x420 > [26285.658629] [<ffffffffa029a880>] ? gen6_pm_rps_work+0xe0/0xe0 [i915] > [26285.658632] [<ffffffff8107152e>] worker_thread+0x12e/0x2f0 > [26285.658636] [<ffffffff81071400>] ? manage_workers.isra.26+0x200/0x200 > [26285.658640] [<ffffffff81076023>] kthread+0x93/0xa0 > [26285.658644] [<ffffffff8168a3e4>] kernel_thread_helper+0x4/0x10 > [26285.658649] [<ffffffff81075f90>] ? kthread_freezable_should_stop+0x70/0x70 > [26285.658652] [<ffffffff8168a3e0>] ? gs_change+0x13/0x13 > [26285.658654] ---[ end trace 59c6162fdfcbffee ]--- > [26756.021167] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [26756.021426] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off > [26766.014093] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [26766.014397] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off > [26932.376233] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > [26932.376544] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off > [26932.384285] ------------[ cut here ]------------ > [26932.384354] WARNING: at /build/buildd/linux-3.5.0/drivers/gpu/drm/i915/intel_pm.c:2505 gen6_enable_rps+0x706/0x710 [i915]() > [26932.384356] Hardware name: SATELLITE Z830 > [26932.384358] Modules linked in: sdhci_pci sdhci btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs ext2 snd_hda_codec_hdmi snd_hda_codec_realtek joydev btusb coretemp kvm_intel kvm arc4 ghash_clmulni_intel aesni_intel cryptd aes_x86_64 snd_hda_intel snd_hda_codec snd_hwdep uvcvideo snd_pcm videobuf2_core microcode videodev bnep iwlwifi videobuf2_vmalloc snd_seq_midi psmouse videobuf2_memops snd_rawmidi rfcomm pcspkr snd_seq_midi_event serio_raw snd_seq bluetooth mac80211 snd_timer snd_seq_device i915 drm_kms_helper cfg80211 drm toshiba_acpi snd sparse_keymap soundcore wmi i2c_algo_bit toshiba_bluetooth snd_page_alloc parport_pc mei video mac_hid lpc_ich ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc lp parport e1000e ahci libahci [last unloaded: sdhci] > [26932.384421] Pid: 24262, comm: kworker/u:2 Tainted: G W 3.5.0-26-generic #40-Ubuntu > [26932.384422] Call Trace: > [26932.384431] [<ffffffff81051bef>] warn_slowpath_common+0x7f/0xc0 > [26932.384436] [<ffffffff81051c4a>] warn_slowpath_null+0x1a/0x20 > [26932.384451] [<ffffffffa02d32e6>] gen6_enable_rps+0x706/0x710 [i915] > [26932.384466] [<ffffffffa02bf3f6>] intel_modeset_init_hw+0x66/0xa0 [i915] > [26932.384476] [<ffffffffa02954b4>] i915_reset+0x1a4/0x6e0 [i915] > [26932.384482] [<ffffffff8101257b>] ? __switch_to+0x12b/0x420 > [26932.384493] [<ffffffffa029a943>] i915_error_work_func+0xc3/0x110 [i915] > [26932.384500] [<ffffffff8107097a>] process_one_work+0x12a/0x420 > [26932.384511] [<ffffffffa029a880>] ? gen6_pm_rps_work+0xe0/0xe0 [i915] > [26932.384514] [<ffffffff8107152e>] worker_thread+0x12e/0x2f0 > [26932.384517] [<ffffffff81071400>] ? manage_workers.isra.26+0x200/0x200 > [26932.384521] [<ffffffff81076023>] kthread+0x93/0xa0 > [26932.384526] [<ffffffff8168a3e4>] kernel_thread_helper+0x4/0x10 > [26932.384531] [<ffffffff81075f90>] ? kthread_freezable_should_stop+0x70/0x70 > [26932.384534] [<ffffffff8168a3e0>] ? gs_change+0x13/0x13 > [26932.384536] ---[ end trace 59c6162fdfcbffef ]--- > > ProblemType: Bug > DistroRelease: Ubuntu 12.10 > Package: linux-image-3.5.0-26-generic 3.5.0-26.40 > ProcVersionSignature: Ubuntu 3.5.0-26.40-generic 3.5.7.6 > Uname: Linux 3.5.0-26-generic x86_64 > ApportVersion: 2.6.1-0ubuntu10 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: luca 2084 F.... pulseaudio > CheckboxSubmission: f8b82cd9bc23fe075e5068a9824afda5 > CheckboxSystem: b1865df84255b8716d3bcc269ff410d1 > Date: Sat Mar 2 22:25:14 2013 > HibernationDevice: RESUME=UUID=20fe6da8-7d68-4660-953f-6e4ae1d348a7 > InstallationDate: Installed on 2012-04-26 (310 days ago) > InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) > MachineType: TOSHIBA SATELLITE Z830 > MarkForUpload: True > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-26-generic root=UUID=36929bf3-a158-44d9-a80d-3adac2840fa8 ro quiet splash acpi_backlight=vendor i915.i915_enable_rc6=1 i915.lvds_downclock=1 vt.handoff=7 > RelatedPackageVersions: > linux-restricted-modules-3.5.0-26-generic N/A > linux-backports-modules-3.5.0-26-generic N/A > linux-firmware 1.95 > SourcePackage: linux > UpgradeStatus: Upgraded to quantal on 2012-10-28 (125 days ago) > dmi.bios.date: 07/31/2012 > dmi.bios.vendor: TOSHIBA > dmi.bios.version: Version 1.70 > dmi.board.asset.tag: 0000000000 > dmi.board.name: Portable PC > dmi.board.vendor: TOSHIBA > dmi.board.version: Version A0 > dmi.chassis.asset.tag: 0000000000 > dmi.chassis.type: 10 > dmi.chassis.vendor: TOSHIBA > dmi.chassis.version: Version 1.0 > dmi.modalias: dmi:bvnTOSHIBA:bvrVersion1.70:bd07/31/2012:svnTOSHIBA:pnSATELLITEZ830:pvrPT22LE-00300GGR:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0: > dmi.product.name: SATELLITE Z830 > dmi.product.version: PT22LE-00300GGR > dmi.sys.vendor: TOSHIBA > >To manage notifications about this bug go to: >https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1140716/+subscriptions
Hi
Have run 3.5.0.37 for a few days now on my Quantal install with i7 and it is fine. No freezes at all.
Thank you so much.
Sent from my mobile
Brad Figg <email address hidden> wrote:
>I have Quantal kernels built with 899b550 "drm/i915: GFX_MODE Flush TLB people. canonical. com/~bradf/ lp1140716/ /bugs.launchpad .net/bugs/ 1140716 hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung buildd/ linux-3. 5.0/drivers/ gpu/drm/ i915/intel_ pm.c:2505 gen6_enable_ rps+0x706/ 0x710 [i915]() codec_realtek joydev btusb coretemp kvm_intel kvm arc4 ghash_clmulni_intel aesni_intel cryptd aes_x86_64 snd_hda_intel snd_hda_codec snd_hwdep uvcvideo snd_pcm videobuf2_core microcode videodev bnep iwlwifi videobuf2_vmalloc snd_seq_midi psmouse videobuf2_memops snd_rawmidi rfcomm pcspkr snd_seq_midi_event serio_raw snd_seq bluetooth mac80211 snd_timer snd_seq_device i915 drm_kms_helper cfg80211 drm toshiba_acpi snd sparse_keymap soundcore wmi i2c_algo_bit toshiba_bluetooth snd_page_alloc parport_pc mei video mac_hid lpc_ich ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc lp parport e1000e ahci libahci [last unloaded: sdhci] bef>] warn_slowpath_ common+ 0x7f/0xc0 c4a>] warn_slowpath_ null+0x1a/ 0x20 2e6>] gen6_enable_ rps+0x706/ 0x710 [i915] 3f6>] intel_modeset_ init_hw+ 0x66/0xa0 [i915] 4b4>] i915_reset+ 0x1a4/0x6e0 [i915] 57b>] ? __switch_ to+0x12b/ 0x420 943>] i915_error_ work_func+ 0xc3/0x110 [i915] 97a>] process_ one_work+ 0x12a/0x420 880>] ? gen6_pm_ rps_work+ 0xe0/0xe0 [i915] 52e>] worker_ thread+ 0x12e/0x2f0 400>] ? manage_ workers. isra.26+ 0x200/0x200 023>] kthread+0x93/0xa0 3e4>] kernel_ thread_ helper+ 0x4/0x10 f90>] ? kthread_ freezable_ should_ stop+0x70/ 0x70 3e0>] ? gs_change+0x13/0x13 hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung buildd/ linux-3. 5.0/drivers/ gpu/drm/ i915/intel_ pm.c:2505 gen6_enable_ rps+0x706/ 0x710 [i915]() codec_realtek joydev btusb coretemp kvm_intel kvm arc4 ghash_clmulni_intel aesni_intel cryptd aes_x86_64 snd_hda_intel snd_hda_codec snd_hwdep uvcvideo snd_pcm videobuf2_core microcode videodev bnep iwlwifi videobuf2_vmalloc snd_seq_midi psmouse videobuf2_memops snd_rawmidi rfcomm pcspkr snd_seq_midi_event serio_raw snd_seq bluetooth mac80211 snd_timer snd_seq_device i915 drm_kms_helper cfg80211 drm toshiba_acpi snd sparse_keymap soundcore wmi i2c_algo_bit toshiba_bluetooth snd_page_alloc parport_pc mei video mac_hid lpc_ich ppdev nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc lp parport e1000e ahci libahci [last unloaded: sdhci] bef>] warn_slowpath_ common+ 0x7f/0xc0 c4a>] warn_slowpath_ null+0x1a/ 0x20 2e6>] gen6_enable_ rps+0x706/ 0x710 [i915] 3f6>] intel_modeset_ init_hw+ 0x66/0xa0 [i915] 4b4>] i915_reset+ 0x1a4/0x6e0 [i915] 57b>] ? __switch_ to+0x12b/ 0x420 943>] i915_error_ work_func+ 0xc3/0x110 [i915] 97a>] process_ one_work+ 0x12a/0x420 880>] ? gen6_pm_ rps_work+ 0xe0/0xe0 [i915] 52e>] worker_ thread+ 0x12e/0x2f0 400>] ? manage_ workers. isra.26+ 0x200/0x200 023>] kthread+0x93/0xa0 3e4>] kernel_ thread_ helper+ 0x4/0x10 f90>] ? kthread_ freezable_ should_ stop+0x70/ 0x70 3e0>] ? gs_change+0x13/0x13 3.5.0-26- generic 3.5.0-26.40 ature: Ubuntu 3.5.0-26.40-generic 3.5.7.6 75e5068a9824afd a5 16d3bcc269ff410 d1 UUID=20fe6da8- 7d68-4660- 953f-6e4ae1d348 a7 /boot/vmlinuz- 3.5.0-26- generic root=UUID= 36929bf3- a158-44d9- a80d-3adac2840f a8 ro quiet splash acpi_backlight= vendor i915.i915_ enable_ rc6=1 i915.lvds_ downclock= 1 vt.handoff=7 ersions: d-modules- 3.5.0-26- generic N/A -modules- 3.5.0-26- generic N/A asset.tag: 0000000000 asset.tag: 0000000000 version: Version 1.0 bvrVersion1. 70:bd07/ 31/2012: svnTOSHIBA: pnSATELLITEZ830 :pvrPT22LE- 00300GGR: rvnTOSHIBA: rnPortablePC: rvrVersionA0: cvnTOSHIBA: ct10:cvrVersion 1.0: version: PT22LE-00300GGR /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1140716/ +subscriptions
>Invalidate Mode must be '1' for scanline waits" reverted.
>
>Please test the appropriate kernel for your configuration and let us
>know if they resolve this issue for you.
>
>They can be found at:
> http://
>
>--
>You received this bug notification because you are subscribed to a
>duplicate bug report (1160294).
>https:/
>
>Title:
> [regression] 3.5.0-26-generic and 3.2.0-39-generic GPU hangs on
> Sandybridge
>
>Status in “linux” package in Ubuntu:
> Invalid
>Status in “linux-lts-quantal” package in Ubuntu:
> Invalid
>Status in “linux” source package in Precise:
> Confirmed
>Status in “linux-lts-quantal” source package in Precise:
> Confirmed
>Status in “linux” source package in Quantal:
> Confirmed
>Status in “linux-lts-quantal” source package in Quantal:
> Invalid
>Status in “linux” source package in Raring:
> Invalid
>Status in “linux-lts-quantal” source package in Raring:
> Invalid
>
>Bug description:
> I'm getting errors about GPU hangs every minute or so (usually only
> when using FF and scrolling a webpage or something). I also get an
> annoying ubuntu dialog saying there is a "system error".
>
> This didn't happen with 3.5.0-24-generic.
>
> Here is the dmesg:
> [15169.033709] [drm:i915_
> [15169.034517] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
> [15628.480216] [drm:i915_
> [15628.480570] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
> [15844.231372] [drm:i915_
> [15844.231773] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
> [20173.232593] [drm:i915_
> [20173.233211] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
> [26285.650393] [drm:i915_
> [26285.650980] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
> [26285.658405] ------------[ cut here ]------------
> [26285.658472] WARNING: at /build/
> [26285.658474] Hardware name: SATELLITE Z830
> [26285.658476] Modules linked in: sdhci_pci sdhci btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs ext2 snd_hda_codec_hdmi snd_hda_
> [26285.658537] Pid: 23433, comm: kworker/u:0 Not tainted 3.5.0-26-generic #40-Ubuntu
> [26285.658539] Call Trace:
> [26285.658549] [<ffffffff81051
> [26285.658553] [<ffffffff81051
> [26285.658569] [<ffffffffa02d3
> [26285.658584] [<ffffffffa02bf
> [26285.658595] [<ffffffffa0295
> [26285.658601] [<ffffffff81012
> [26285.658612] [<ffffffffa029a
> [26285.658618] [<ffffffff81070
> [26285.658629] [<ffffffffa029a
> [26285.658632] [<ffffffff81071
> [26285.658636] [<ffffffff81071
> [26285.658640] [<ffffffff81076
> [26285.658644] [<ffffffff8168a
> [26285.658649] [<ffffffff81075
> [26285.658652] [<ffffffff8168a
> [26285.658654] ---[ end trace 59c6162fdfcbffee ]---
> [26756.021167] [drm:i915_
> [26756.021426] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
> [26766.014093] [drm:i915_
> [26766.014397] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
> [26932.376233] [drm:i915_
> [26932.376544] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
> [26932.384285] ------------[ cut here ]------------
> [26932.384354] WARNING: at /build/
> [26932.384356] Hardware name: SATELLITE Z830
> [26932.384358] Modules linked in: sdhci_pci sdhci btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs ext2 snd_hda_codec_hdmi snd_hda_
> [26932.384421] Pid: 24262, comm: kworker/u:2 Tainted: G W 3.5.0-26-generic #40-Ubuntu
> [26932.384422] Call Trace:
> [26932.384431] [<ffffffff81051
> [26932.384436] [<ffffffff81051
> [26932.384451] [<ffffffffa02d3
> [26932.384466] [<ffffffffa02bf
> [26932.384476] [<ffffffffa0295
> [26932.384482] [<ffffffff81012
> [26932.384493] [<ffffffffa029a
> [26932.384500] [<ffffffff81070
> [26932.384511] [<ffffffffa029a
> [26932.384514] [<ffffffff81071
> [26932.384517] [<ffffffff81071
> [26932.384521] [<ffffffff81076
> [26932.384526] [<ffffffff8168a
> [26932.384531] [<ffffffff81075
> [26932.384534] [<ffffffff8168a
> [26932.384536] ---[ end trace 59c6162fdfcbffef ]---
>
> ProblemType: Bug
> DistroRelease: Ubuntu 12.10
> Package: linux-image-
> ProcVersionSign
> Uname: Linux 3.5.0-26-generic x86_64
> ApportVersion: 2.6.1-0ubuntu10
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: luca 2084 F.... pulseaudio
> CheckboxSubmission: f8b82cd9bc23fe0
> CheckboxSystem: b1865df84255b87
> Date: Sat Mar 2 22:25:14 2013
> HibernationDevice: RESUME=
> InstallationDate: Installed on 2012-04-26 (310 days ago)
> InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
> MachineType: TOSHIBA SATELLITE Z830
> MarkForUpload: True
> ProcFB: 0 inteldrmfb
> ProcKernelCmdLine: BOOT_IMAGE=
> RelatedPackageV
> linux-restricte
> linux-backports
> linux-firmware 1.95
> SourcePackage: linux
> UpgradeStatus: Upgraded to quantal on 2012-10-28 (125 days ago)
> dmi.bios.date: 07/31/2012
> dmi.bios.vendor: TOSHIBA
> dmi.bios.version: Version 1.70
> dmi.board.
> dmi.board.name: Portable PC
> dmi.board.vendor: TOSHIBA
> dmi.board.version: Version A0
> dmi.chassis.
> dmi.chassis.type: 10
> dmi.chassis.vendor: TOSHIBA
> dmi.chassis.
> dmi.modalias: dmi:bvnTOSHIBA:
> dmi.product.name: SATELLITE Z830
> dmi.product.
> dmi.sys.vendor: TOSHIBA
>
>To manage notifications about this bug go to:
>https:/