# cat /proc/version Linux version 4.15.0-34-generic (buildd@lgw01-amd64-047) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #37-Ubuntu SMP Mon Aug 27 15:21:48 UTC 2018
# cat /proc/cmdline BOOT_IMAGE=/vmlinuz-4.15.0-34-generic root=/dev/mapper/vg-slash ro Before the BIOS upgrade, the same kernel version and cmdline still produced the above error. -- 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/1787260 Title: efifb: cannot reserve video memory at 0xe0000000 Status in linux package in Ubuntu: Confirmed Status in linux source package in Bionic: Confirmed Bug description: Bionic's 4.15.0-32-generic #35-Ubuntu (Fri Aug 10 17:58:07 UTC 2018) fails while probing for efifb on this AMD Ryzen 1800x: [ 0.786116] efifb: probing for efifb [ 0.786118] efifb: cannot reserve video memory at 0xe0000000 [ 0.786120] ------------[ cut here ]------------ [ 0.786121] ioremap on RAM at 0x00000000e0000000 - 0x00000000e12fffff [ 0.786127] WARNING: CPU: 1 PID: 1 at /build/linux-wuhukg/linux-4.15.0/arch/x86/mm/ioremap.c:166 __ioremap_caller+0x2a3/0x320 [ 0.786129] Modules linked in: [ 0.786132] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.15.0-32-generic #35-Ubuntu [ 0.786134] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./X370 Taichi, BIOS P4.70 04/17/2018 [ 0.786136] RIP: 0010:__ioremap_caller+0x2a3/0x320 [ 0.786138] RSP: 0018:ffffa01c0005fbe0 EFLAGS: 00010286 [ 0.786140] RAX: 0000000000000000 RBX: 00000000e0000000 RCX: ffffffff8f062868 [ 0.786142] RDX: 0000000000000001 RSI: 0000000000000086 RDI: 0000000000000246 [ 0.786143] RBP: ffffa01c0005fc48 R08: 0000000000000000 R09: 000000000000029b [ 0.786145] R10: ffff93c14f351000 R11: 0766073207310765 R12: 0000000001300000 [ 0.786146] R13: 0000000000000001 R14: 0000000001300000 R15: ffffffff8e1384a8 [ 0.786148] FS: 0000000000000000(0000) GS:ffff93c14ec40000(0000) knlGS:0000000000000000 [ 0.786150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.786151] CR2: 0000000000000000 CR3: 000000056d00a000 CR4: 00000000003406e0 [ 0.786153] Call Trace: [ 0.786157] ? _cond_resched+0x19/0x40 [ 0.786159] ioremap_wc+0x17/0x20 [ 0.786163] efifb_probe+0x318/0x7c0 [ 0.786166] platform_drv_probe+0x3e/0xa0 [ 0.786168] driver_probe_device+0x31e/0x490 [ 0.786171] ? set_debug_rodata+0x17/0x17 [ 0.786173] __driver_attach+0xa7/0xf0 [ 0.786175] ? driver_probe_device+0x490/0x490 [ 0.786177] bus_for_each_dev+0x70/0xc0 [ 0.786179] driver_attach+0x1e/0x20 [ 0.786180] bus_add_driver+0x1c7/0x270 [ 0.786183] ? vesafb_driver_init+0x19/0x19 [ 0.786185] driver_register+0x60/0xe0 [ 0.786187] ? vesafb_driver_init+0x19/0x19 [ 0.786189] __platform_driver_register+0x36/0x40 [ 0.786191] efifb_driver_init+0x17/0x19 [ 0.786192] do_one_initcall+0x52/0x19f [ 0.786195] kernel_init_freeable+0x1af/0x251 [ 0.786197] ? rest_init+0xb0/0xb0 [ 0.786199] kernel_init+0xe/0x110 [ 0.786201] ret_from_fork+0x22/0x40 [ 0.786203] Code: fe ff ff 4c 89 c7 e8 dd e1 1a 00 e9 d3 fe ff ff 48 8d 55 c8 48 8d 75 b8 48 c7 c7 d7 5c cc 8e c6 05 8b ad 59 01 01 e8 cd 6f 01 00 <0f> 0b 45 31 ed e9 dd fd ff ff 0f b7 05 4e 46 3c 01 48 09 45 a8 [ 0.786222] ---[ end trace a5f176b1242af8ce ]--- [ 0.786223] efifb: abort, cannot ioremap video memory 0x1300000 @ 0xe0000000 [ 0.786226] efi-framebuffer: probe of efi-framebuffer.0 failed with error -5 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-32-generic 4.15.0-32.35 ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18 Uname: Linux 4.15.0-32-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: user1 2748 F.... pulseaudio /dev/snd/controlC0: user1 2748 F.... pulseaudio CurrentDesktop: XFCE Date: Wed Aug 15 19:09:25 2018 HibernationDevice: RESUME=/dev/mapper/vg-swap InstallationDate: Installed on 2017-04-29 (472 days ago) InstallationMedia: Ubuntu-Server 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.8) MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-32-generic root=/dev/mapper/vg-slash ro RelatedPackageVersions: linux-restricted-modules-4.15.0-32-generic N/A linux-backports-modules-4.15.0-32-generic N/A linux-firmware 1.173.1 SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2018-08-15 (0 days ago) dmi.bios.date: 04/17/2018 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P4.70 dmi.board.name: X370 Taichi dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP4.70:bd04/17/2018:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnX370Taichi:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To Be Filled By O.E.M. dmi.product.name: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. 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