Yes, will look to backport after it is merged upstream. No ETA for now, but hoping the upstream merge will happen in the next week or two based on response from Coly Li [1].
[1]https://lore.kernel.org/linux- bcache/58af801b-9f98-4cf1-9db3-7a631e381...@suse.de/ -- 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/2016040 Title: Creating bcache backing device using a Dell Ent NVMe CM6 MU 6.4TB storage fails with "cannot allocate memory" error Status in linux package in Ubuntu: Confirmed Bug description: # make-bcache -B /dev/nvme4n1 UUID: 569e90b3-cc2a-4a0e-a201-476c426a2141 Set UUID: d8d8458a-01df-481e-a7dc-e75843a9608f version: 1 block_size: 1 data_offset: 16 kern.log: Apr 12 18:21:56 ... kernel: [ 723.854659] bcache: register_bdev() error nvme4n1: cannot allocate memory Apr 12 18:21:56 ... kernel: [ 723.854662] bcache: register_bdev_worker() error /dev/nvme4n1: fail to register backing device Same error message is mentioned in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1909518, but the suggested configuration change does not fix the issue: # nvme id-ns /dev/nvme4n1 -n 1 -H |grep "LBA Format" [3:0] : 0x3 Current LBA Format Selected LBA Format 0 : Metadata Size: 0 bytes - Data Size: 512 bytes - Relative Performance: 0 Best LBA Format 1 : Metadata Size: 8 bytes - Data Size: 512 bytes - Relative Performance: 0 Best LBA Format 2 : Metadata Size: 0 bytes - Data Size: 1 bytes - Relative Performance: 0 Best LBA Format 3 : Metadata Size: 0 bytes - Data Size: 4096 bytes - Relative Performance: 0 Best (in use) LBA Format 4 : Metadata Size: 8 bytes - Data Size: 4096 bytes - Relative Performance: 0 Best LBA Format 5 : Metadata Size: 64 bytes - Data Size: 4096 bytes - Relative Performance: 0 Best Using a Dell Ent NVMe P5800x WI U.2 400GB storage works as expected: # make-bcache -B /dev/nvme2n1 UUID: b1405a6d-8732-4175-8aba-d67be23b3ff0 Set UUID: af6b190f-a57e-4f2b-926e-904a95268390 version: 1 block_size: 8 data_offset: 16 # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS ... nvme2n1 259:1 0 372.6G 0 disk └─bcache0 252:0 0 372.6G 0 disk ... kern.log: Apr 12 18:47:33 ... kernel: [ 2261.135332] bcache: register_bdev() registered backing device nvme2n1 Kernel versions tested: 5.19.0-38-generic #39~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC 5.15.0-69-generic #76-Ubuntu SMP --- ProblemType: Bug AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Apr 12 18:10 seq crw-rw---- 1 root audio 116, 33 Apr 12 18:10 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.11-0ubuntu82.3 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: N/A CasperMD5CheckResult: unknown DistroRelease: Ubuntu 22.04 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' MachineType: Dell Inc. PowerEdge R7525 Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash ProcFB: 0 mgag200drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.19.0-38-generic root=UUID=3c0a9c0d-3f5d-4d4d-a571-37298c70a1a3 ro ProcVersionSignature: Ubuntu 5.19.0-38.39~22.04.1-generic 5.19.17 RelatedPackageVersions: linux-restricted-modules-5.19.0-38-generic N/A linux-backports-modules-5.19.0-38-generic N/A linux-firmware 20220329.git681281e4-0ubuntu3.12 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' Tags: jammy uec-images Uname: Linux 5.19.0-38-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: N/A _MarkForUpload: True dmi.bios.date: 10/25/2022 dmi.bios.release: 2.10 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.10.2 dmi.board.name: 03WYW4 dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.10.2:bd10/25/2022:br2.10:svnDellInc.:pnPowerEdgeR7525:pvr:rvnDellInc.:rn03WYW4:rvrA01:cvnDellInc.:ct23:cvr:skuSKU=08FF;ModelName=PowerEdgeR7525: dmi.product.family: PowerEdge dmi.product.name: PowerEdge R7525 dmi.product.sku: SKU=08FF;ModelName=PowerEdge R7525 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2016040/+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
