apport information ** Attachment added: "ProcCpuinfoMinimal.txt" https://bugs.launchpad.net/bugs/1759893/+attachment/5095137/+files/ProcCpuinfoMinimal.txt
-- 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/1759893 Title: [18.04][config] regression: nvme and nvme_core couldn't be built as modules starting 4.15-rc2 Status in linux package in Ubuntu: Confirmed Bug description: Some regression was introduced into NVME-related kernel configuration by 32c662c58a9b9 into 4.15-rc2, which was pulled later into ubuntu- bionic.git In result, "nvme" and "nvme_core" drivers are built into the kernel, we can't build them as modules. It caused incompatibility of NMVe-OF target and initiator modules (nvmet, nvme-rdma) installed by Mellanox OFED with the inbox "nvme" driver. Root cause analysis. In the drivers/lightnvm/Kconfig file - kernel configuration for the OpenChannel SSDs (lightnvm) we have: menuconfig NVM bool "Open-Channel SSD target support" depends on BLOCK && HAS_DMA && PCI select BLK_DEV_NVME help Say Y here to get to enable Open-channel SSDs. ... It means that BLK_DEV_NVME is selected to "y" when NVM (CONFIG_NVM) is selected. NVM parameter is 2 state (on / off, i.e. "y" or "no"), it couldn't be built as a module. So that it triggers the change of BLK_DEV_NAME=y and NVME_CORE=y $ git blame drivers/lightnvm/Kconfig 32c662c58a9b9 (Rakesh Pandit 2017-10-13 14:45:55 +0200 7) depends on BLOCK && HAS_DMA && PCI 32c662c58a9b9 (Rakesh Pandit 2017-10-13 14:45:55 +0200 8) select BLK_DEV_NVME commit 32c662c58a9b9d0c99e713a14ca323a9a91c73a0 Author: Rakesh Pandit <rak...@tuxera.com> Date: Fri Oct 13 14:45:55 2017 +0200 lightnvm: include NVM Express driver if OCSSD is selected for build Because NVM needs BLK_DEV_NVME, select it automatically if we mark NVM in config file before building kernel. Also append PCI to depends as select doesn't automatically add dependencies. Signed-off-by: Rakesh Pandit <rak...@tuxera.com> Signed-off-by: Matias Bjørling <m...@bjorling.me> Signed-off-by: Jens Axboe <ax...@kernel.dk> drivers/lightnvm/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) $ git diff 32c662c58a9b9^1..32c662c58a9b9 diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig index ead61a93cb4e..2a953efec4e1 100644 --- a/drivers/lightnvm/Kconfig +++ b/drivers/lightnvm/Kconfig @@ -4,7 +4,8 @@ menuconfig NVM bool "Open-Channel SSD target support" - depends on BLOCK && HAS_DMA + depends on BLOCK && HAS_DMA && PCI + select BLK_DEV_NVME help Say Y here to get to enable Open-channel SSDs. Proposed fix is following: diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig index 2a953efec4e1..9969236314d7 100644 --- a/drivers/lightnvm/Kconfig +++ b/drivers/lightnvm/Kconfig @@ -4,8 +4,7 @@ menuconfig NVM bool "Open-Channel SSD target support" - depends on BLOCK && HAS_DMA && PCI - select BLK_DEV_NVME + depends on BLOCK && HAS_DMA && PCI && BLK_DEV_NVME help Say Y here to get to enable Open-channel SSDs. Regards, Yurii Shestakov --- AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Mar 29 17:05 seq crw-rw---- 1 root audio 116, 33 Mar 29 17:05 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu1 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=/dev/mapper/vg2-swap_1 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: QEMU Standard PC (Q35 + ICH9, 2009) Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic root=/dev/mapper/vg2-root ro net.ifnames=0 biosdevname=0 quiet nofb nomodeset console=ttyS0,115200n8 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 RelatedPackageVersions: linux-restricted-modules-4.15.0-10-generic N/A linux-backports-modules-4.15.0-10-generic N/A linux-firmware 1.173 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' Tags: bionic Uname: Linux 4.15.0-10-generic x86_64 UnreportableReason: The report belongs to a package that is not installed. UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: False dmi.bios.date: 01/01/2011 dmi.bios.vendor: Seabios dmi.bios.version: 0.5.1 dmi.chassis.type: 1 dmi.chassis.vendor: Bochs dmi.modalias: dmi:bvnSeabios:bvr0.5.1:bd01/01/2011:svnQEMU:pnStandardPC(Q35+ICH9,2009):pvrpc-q35-2.0:cvnBochs:ct1:cvr: dmi.product.name: Standard PC (Q35 + ICH9, 2009) dmi.product.version: pc-q35-2.0 dmi.sys.vendor: QEMU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1759893/+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
