I've spent hours trying to sort this out. I've found no sane way to do a BIOS upgrade with the current utilty provided by Lenovo FreeDOS seems the best way but files name get rewritten to 8 char and I would avoid to brik the pc (maybe just an ignorant fear?) Need to spend more time on this.
I experienced again the behaviour, while the pc load I get a bunch of messages and the pc freeze as usual Jun 15 19:50:35 echo kernel: [ 23.281213] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.282274] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.283335] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.284396] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.285457] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.286518] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.287579] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.288640] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.289700] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.290761] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.291822] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.292884] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.293945] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Jun 15 19:50:35 echo kernel: [ 23.295006] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] Will report soon hopefully after BIOS upgrade, thanks 2015-06-16 13:46 GMT+02:00 Christopher M. Penalver < christopher.m.penal...@gmail.com>: > muka, as per http://support.lenovo.com/us/en/products/laptops-and- > netbooks/lenovo-y-series-laptops/y50-70-notebook-lenovo an update to > your computer's buggy and outdated BIOS is available (9ECN37WW). If you > update to this following https://help.ubuntu.com/community/BIOSUpdate > does it change anything? > > If it doesn't, could you please both specify what happened, and provide > the output of the following terminal command: > sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date > > For more on BIOS updates and linux, please see > https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette > . > > Please note your current BIOS is already in the Bug Description, so > posting this on the old BIOS would not be helpful. As well, you don't > have to create a new bug report. > > Once the BIOS is updated, and the information above is provided, then > please mark this report Status Confirmed. > > Thank you for your understanding. > > ** Tags added: bios-outdated-9ecn37ww > > ** Changed in: linux (Ubuntu) > Importance: Undecided => Low > > ** Changed in: linux (Ubuntu) > Status: Confirmed => Incomplete > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1465364 > > Title: > Laptop freeze with panic error > > Status in linux package in Ubuntu: > Incomplete > > Bug description: > When getting back to the pc and the screen is turned off, the pc > freeze and sometime show a message like (sorry do not have full > message) > > drm_kms_helper: panic ... > > In dmesg I see a lot of noveau related error like > > > [ +0,001098] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] # > thousand like this! > [ +0,001099] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] > [ +0,001098] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] > [ +0,001099] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] > [ +0,001097] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] > [ +0,001096] nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK08 ] > [ +0,000566] nouveau E[ PFIFO][0000:01:00.0] runlist 4 update timeout > [ +0,000123] [drm] Initialized nouveau 1.2.1 20120801 for 0000:01:00.0 > on minor 1 > [ +1,260477] nouveau [ PGRAPH][0000:01:00.0] using external firmware > [ +0,000022] nouveau 0000:01:00.0: Direct firmware load for > nouveau/nv117_fuc409c failed with error -2 > [ +0,000006] nouveau 0000:01:00.0: Direct firmware load for > nouveau/fuc409c failed with error -2 > [ +0,000001] nouveau E[ PGRAPH][0000:01:00.0] failed to load fuc409c > [giu15 20:06] nouveau E[ PIBUS][0000:01:00.0] HUB0: 0x6013d4 > 0xffff573f (0x1c408200) > [giu15 20:09] nouveau E[ PIBUS][0000:01:00.0] HUB0: 0x6013d4 > 0xffffffff (0x1b40822c) > > ProblemType: Bug > DistroRelease: Ubuntu 15.04 > Package: linux-image-3.19.0-20-generic 3.19.0-20.20 > ProcVersionSignature: Ubuntu 3.19.0-20.20-generic 3.19.8 > Uname: Linux 3.19.0-20-generic x86_64 > ApportVersion: 2.17.2-0ubuntu1.1 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC1: l 1422 F.... pulseaudio > /dev/snd/controlC0: l 1422 F.... pulseaudio > CurrentDesktop: LXDE > Date: Mon Jun 15 20:09:15 2015 > HibernationDevice: RESUME=UUID=5bb9993a-20aa-42b9-b775-d2508ba91475 > InstallationDate: Installed on 2015-04-16 (59 days ago) > InstallationMedia: Lubuntu 14.10 "Utopic Unicorn" - Release amd64 > (20141022.1) > MachineType: LENOVO 20378 > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-20-generic > root=UUID=949b66c8-bdcd-4186-980e-b873d5da5906 ro quiet splash vt.handoff=7 > RelatedPackageVersions: > linux-restricted-modules-3.19.0-20-generic N/A > linux-backports-modules-3.19.0-20-generic N/A > linux-firmware 1.143.1 > SourcePackage: linux > UpgradeStatus: Upgraded to vivid on 2015-05-24 (22 days ago) > dmi.bios.date: 08/18/2014 > dmi.bios.vendor: LENOVO > dmi.bios.version: 9ECN31WW(V1.14) > dmi.board.asset.tag: 00000000NO DPK > dmi.board.name: Lenovo Y50-70 > dmi.board.vendor: LENOVO > dmi.board.version: 00000000NO DPK > dmi.chassis.asset.tag: 00000000NO DPK > dmi.chassis.type: 10 > dmi.chassis.vendor: LENOVO > dmi.chassis.version: Lenovo Y50-70 > dmi.modalias: > dmi:bvnLENOVO:bvr9ECN31WW(V1.14):bd08/18/2014:svnLENOVO:pn20378:pvrLenovoY50-70:rvnLENOVO:rnLenovoY50-70:rvr00000000NODPK:cvnLENOVO:ct10:cvrLenovoY50-70: > dmi.product.name: 20378 > dmi.product.version: Lenovo Y50-70 > dmi.sys.vendor: LENOVO > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1465364/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1465364 Title: Laptop freeze with panic error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1465364/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs