@rafael.lopez, Sorry, hopefully last thing: can you actually back port this to 6.5? I should be able to test that on another system....
-- 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
