I experience the same problem, but with integrated graphics card - Intel HD 4600, ubuntu 15.04 64 bit
For me, it helps when in boot selection I pick the option of booting with Upstart. Otherwise, it is black screen 100% time, no matter if I change kernel or not. Windows starts without problem from the same GRUB. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1475914 Title: login freezes or black screen with kernel higher than 3.19.0-15 Status in linux package in Ubuntu: Incomplete Bug description: Env : Linux 3.19.0-22-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde XT [Radeon HD 7770/8760 / R7 250X] using xorg default driver (not the proprietary) Facts : - On the login page, just after the boot, the system is freezed (or looping) - I can't open a terminal with Ctrl+Alt+F1 - When I choose a previous kernel version from Grub, the problem occurs with all versions I had installed since 3.19.0-16 3.19.0-15 OK 3.19.0-16 KO 3.19.0-18 KO 3.19.0-20 KO 3.19.0-21 KO 3.19.0-22 KO - When I choose the recovery mode of the version that have the problem, the recovery menu freezes also (see attachment) - I've done a clean install on a new disk and after the update of the kernel (3.19.0-15 -> 3.19.0-22) I have a black screen after the boot (no login screen). And I have the same problem trying the recovery mode with version 3.19.0-22. --- ApportVersion: 2.17.2-0ubuntu1.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: pierre 3474 F.... pulseaudio /dev/snd/controlC1: pierre 3474 F.... pulseaudio CRDA: country AM: DFS-ETSI (2402 - 2482 @ 40), (N/A, 20), (N/A) (5170 - 5250 @ 80), (N/A, 18), (N/A) (5250 - 5330 @ 80), (N/A, 18), (0 ms), DFS CurrentDesktop: Unity DistroRelease: Ubuntu 15.04 HibernationDevice: RESUME=UUID=230b9245-44d0-4fc5-8440-be65b66292a9 InstallationDate: Installed on 2015-07-07 (81 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) MachineType: MSI MS-7640 NonfreeKernelModules: fglrx Package: linux (not installed) ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-28-generic root=UUID=fc6a9894-1b64-48bd-91ad-f545051a1773 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5 RelatedPackageVersions: linux-restricted-modules-3.19.0-28-generic N/A linux-backports-modules-3.19.0-28-generic N/A linux-firmware 1.143.3 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no Tags: vivid Uname: Linux 3.19.0-28-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 10/08/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: V19.9 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: 990FXA-GD65 (MS-7640) dmi.board.vendor: MSI dmi.board.version: 3.0 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: MSI dmi.chassis.version: 3.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV19.9:bd10/08/2012:svnMSI:pnMS-7640:pvr3.0:rvnMSI:rn990FXA-GD65(MS-7640):rvr3.0:cvnMSI:ct3:cvr3.0: dmi.product.name: MS-7640 dmi.product.version: 3.0 dmi.sys.vendor: MSI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1475914/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
