The drive failing balance is not rootfs. It is a different multi device btrfs volume (no RAID). This is my main local server. I will try with 20.04 when the upgrade is available.
rootfs as btrfs: - format HDD to btrfs - copy sdcard content to HDD - update UUID and rootfstype in /boot/firmware/nobtcmd.txt - /boot/firmware remains on sdcard - update fstab - reboot -- 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/1878749 Title: Kernel bug when running btrfs balance Status in linux package in Ubuntu: Incomplete Bug description: syslog extract: May 15 00:38:28 rpi4 kernel: [ 1464.345380] kernel BUG at /build/linux-raspi2-5.3-5IVhed/linux-raspi2-5.3-5.3.0/fs/btrfs/relocation.c:4729! May 15 00:38:28 rpi4 kernel: [ 1464.355281] Internal error: Oops - BUG: 0 [#1] SMP May 15 00:38:28 rpi4 kernel: [ 1464.360141] Modules linked in: xt_nat iptable_nat dm_crypt nls_ascii algif_skcipher af_alg ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl ip6t_rt ipt_REJECT nf_reject_ipv4 xt_comment btsdio nf_log_ipv4 nf_log_common bluetooth bcm2835_v4l2(CE) xt_LOG ecdh_generic bcm2835_mmal_vchiq(CE) ecc vc_sm_cma(CE) xt_multiport v4l2_common xt_recent videobuf2_vmalloc videobuf2_memops brcmfmac videobuf2_v4l2 brcmutil videobuf2_common cfg80211 videodev xt_limit xt_tcpudp raspberrypi_hwmon mc xt_addrtype rpivid_mem spidev uio_pdrv_genirq uio xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack nf_defrag_ipv6 sch_fq_codel nf_defrag_ipv4 iptable_filter bpfilter iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipath linear broadcom bcm_phy_lib hid_generic May 15 00:38:28 rpi4 kernel: [ 1464.360198] usbhid mdio_bcm_unimac crct10dif_ce sdhci_iproc genet gpio_regulator phy_generic fixed uas usb_storage aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64 May 15 00:38:28 rpi4 kernel: [ 1464.464074] CPU: 0 PID: 8225 Comm: btrfs-balance Tainted: G C E 5.3.0-1023-raspi2 #25~18.04.1-Ubuntu May 15 00:38:28 rpi4 kernel: [ 1464.474482] Hardware name: Raspberry Pi 4 Model B Rev 1.2 (DT) May 15 00:38:28 rpi4 kernel: [ 1464.480395] pstate: 20400005 (nzCv daif +PAN -UAO) May 15 00:38:28 rpi4 kernel: [ 1464.485330] pc : btrfs_reloc_cow_block+0x34c/0x3a0 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.490928] lr : __btrfs_cow_block+0x368/0x600 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.496133] sp : ffff000013b437b0 May 15 00:38:28 rpi4 kernel: [ 1464.499487] x29: ffff000013b437b0 x28: 0000000000000000 May 15 00:38:28 rpi4 kernel: [ 1464.504870] x27: 0000000000000001 x26: 0000000000000001 May 15 00:38:28 rpi4 kernel: [ 1464.510253] x25: ffff9c0ac32c4a80 x24: ffff9c0bb321c618 May 15 00:38:28 rpi4 kernel: [ 1464.515634] x23: 0000000000000001 x22: ffff9c0b63242a50 May 15 00:38:28 rpi4 kernel: [ 1464.521016] x21: ffff9c0b23e51ef0 x20: ffff9c0b4f111000 May 15 00:38:28 rpi4 kernel: [ 1464.526399] x19: ffff9c0b74bb5000 x18: 0000000000000000 May 15 00:38:28 rpi4 kernel: [ 1464.531780] x17: 0000000000000000 x16: ffff40af26f8be78 May 15 00:38:28 rpi4 kernel: [ 1464.537163] x15: 0000000000000000 x14: 0000000000000000 May 15 00:38:28 rpi4 kernel: [ 1464.542545] x13: 0000000000000000 x12: 0000000000000000 May 15 00:38:28 rpi4 kernel: [ 1464.547926] x11: 0000000000000000 x10: ffff9c0b10e83a40 May 15 00:38:28 rpi4 kernel: [ 1464.553308] x9 : ffff9c0aca004750 x8 : ffff40af2775b9e7 May 15 00:38:28 rpi4 kernel: [ 1464.558690] x7 : ffff9c0b578814e1 x6 : ffff9c0b578814e0 May 15 00:38:28 rpi4 kernel: [ 1464.564071] x5 : ffff9c0b552b59c0 x4 : ffff9c0b552b59c0 May 15 00:38:28 rpi4 kernel: [ 1464.569452] x3 : ffff9c0b63242a50 x2 : 0000000000096be7 May 15 00:38:28 rpi4 kernel: [ 1464.574833] x1 : 0000000000000000 x0 : 0000012e979b4000 May 15 00:38:28 rpi4 kernel: [ 1464.580216] Call trace: May 15 00:38:28 rpi4 kernel: [ 1464.582735] btrfs_reloc_cow_block+0x34c/0x3a0 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.587979] __btrfs_cow_block+0x368/0x600 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.592869] btrfs_cow_block+0x100/0x218 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.597583] btrfs_search_slot+0x560/0x930 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.602475] do_relocation+0x408/0x5b8 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.607014] relocate_tree_blocks+0x4f8/0x5c0 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.612170] relocate_block_group+0x3dc/0x638 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.617325] btrfs_relocate_block_group+0x18c/0x2d8 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.623009] btrfs_relocate_chunk+0x48/0xe0 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.627988] __btrfs_balance+0x864/0xa38 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.632703] btrfs_balance+0x434/0x748 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.637301] balance_kthread+0x38/0x70 [btrfs] May 15 00:38:28 rpi4 kernel: [ 1464.641811] kthread+0x124/0x128 May 15 00:38:28 rpi4 kernel: [ 1464.645081] ret_from_fork+0x10/0x1c May 15 00:38:28 rpi4 kernel: [ 1464.648706] Code: f9401321 eb01001f 54fff020 f9002fbc (d4210000) May 15 00:38:28 rpi4 kernel: [ 1464.654884] ---[ end trace 01ad7c5a4a25131c ]--- May 15 00:38:28 rpi4 kernel: [ 1464.660405] WARNING: CPU: 0 PID: 0 at /build/linux-raspi2-5.3-5IVhed/linux-raspi2-5.3-5.3.0/kernel/rcu/tree.c:562 rcu_idle_enter+0x70/0x78 May 15 00:38:28 rpi4 kernel: [ 1464.673030] Modules linked in: xt_nat iptable_nat dm_crypt nls_ascii algif_skcipher af_alg ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl ip6t_rt ipt_REJECT nf_reject_ipv4 xt_comment btsdio nf_log_ipv4 nf_log_common bluetooth bcm2835_v4l2(CE) xt_LOG ecdh_generic bcm2835_mmal_vchiq(CE) ecc vc_sm_cma(CE) xt_multiport v4l2_common xt_recent videobuf2_vmalloc videobuf2_memops brcmfmac videobuf2_v4l2 brcmutil videobuf2_common cfg80211 videodev xt_limit xt_tcpudp raspberrypi_hwmon mc xt_addrtype rpivid_mem spidev uio_pdrv_genirq uio xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack nf_defrag_ipv6 sch_fq_codel nf_defrag_ipv4 iptable_filter bpfilter iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipath linear broadcom bcm_phy_lib hid_generic May 15 00:38:28 rpi4 kernel: [ 1464.673092] usbhid mdio_bcm_unimac crct10dif_ce sdhci_iproc genet gpio_regulator phy_generic fixed uas usb_storage aes_neon_bs aes_neon_blk crypto_simd cryptd aes_arm64 May 15 00:38:28 rpi4 kernel: [ 1464.776998] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D C E 5.3.0-1023-raspi2 #25~18.04.1-Ubuntu May 15 00:38:28 rpi4 kernel: [ 1464.786799] Hardware name: Raspberry Pi 4 Model B Rev 1.2 (DT) May 15 00:38:28 rpi4 kernel: [ 1464.792721] pstate: 20400085 (nzCv daIf +PAN -UAO) May 15 00:38:28 rpi4 kernel: [ 1464.797586] pc : rcu_idle_enter+0x70/0x78 May 15 00:38:28 rpi4 kernel: [ 1464.801659] lr : do_idle+0x1d4/0x2c0 May 15 00:38:28 rpi4 kernel: [ 1464.805284] sp : ffff40af27c03ec0 May 15 00:38:28 rpi4 kernel: [ 1464.808646] x29: ffff40af27c03ec0 x28: 0000000000bab334 May 15 00:38:28 rpi4 kernel: [ 1464.814039] x27: 0000000000000000 x26: 0000000000000000 May 15 00:38:28 rpi4 kernel: [ 1464.819431] x25: 0000000000000000 x24: ffff40af27c097ec May 15 00:38:28 rpi4 kernel: [ 1464.824822] x23: ffff40af27756f38 x22: ffff40af27c09000 May 15 00:38:28 rpi4 kernel: [ 1464.830213] x21: ffff40af27c09000 x20: 0000000000000001 May 15 00:38:28 rpi4 kernel: [ 1464.835605] x19: ffff40af27c09740 x18: ffff40af272a2fa0 May 15 00:38:28 rpi4 kernel: [ 1464.840996] x17: 0000000000000000 x16: 000000000000000e May 15 00:38:28 rpi4 kernel: [ 1464.846388] x15: 0000000000000001 x14: ffff9c0bb7582148 May 15 00:38:28 rpi4 kernel: [ 1464.851778] x13: 0000000000000004 x12: 0000000000000000 May 15 00:38:28 rpi4 kernel: [ 1464.857168] x11: ffff9c0bb7595430 x10: 0000000000001950 May 15 00:38:28 rpi4 kernel: [ 1464.862560] x9 : ffff40af27c03e00 x8 : ffff40af27c11ff0 May 15 00:38:28 rpi4 kernel: [ 1464.867952] x7 : 0000000000000000 x6 : 0000000000000001 May 15 00:38:28 rpi4 kernel: [ 1464.873342] x5 : 0000000000000000 x4 : ffff40af27c07000 May 15 00:38:28 rpi4 kernel: [ 1464.878733] x3 : 4000000000000002 x2 : ffff40af27759000 May 15 00:38:28 rpi4 kernel: [ 1464.884124] x1 : 4000000000000000 x0 : ffff9c0bb75960c0 May 15 00:38:28 rpi4 kernel: [ 1464.889516] Call trace: May 15 00:38:28 rpi4 kernel: [ 1464.891999] rcu_idle_enter+0x70/0x78 May 15 00:38:28 rpi4 kernel: [ 1464.895717] do_idle+0x1d4/0x2c0 May 15 00:38:28 rpi4 kernel: [ 1464.898994] cpu_startup_entry+0x2c/0x30 May 15 00:38:28 rpi4 kernel: [ 1464.902978] rest_init+0xb8/0xc8 May 15 00:38:28 rpi4 kernel: [ 1464.906255] arch_call_rest_init+0x14/0x1c May 15 00:38:28 rpi4 kernel: [ 1464.910412] start_kernel+0x4f8/0x524 May 15 00:38:28 rpi4 kernel: [ 1464.914128] ---[ end trace 01ad7c5a4a25131d ]--- --- ProblemType: Bug AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Jan 28 2018 seq crw-rw---- 1 root audio 116, 33 Jan 28 2018 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.14 Architecture: arm64 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: CRDA: N/A DistroRelease: Ubuntu 18.04 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=linux PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: coherent_pool=1M 8250.nr_uarts=1 cma=64M bcm2708_fb.fbwidth=0 bcm2708_fb.fbheight=0 bcm2708_fb.fbswap=1 smsc95xx.macaddr=DC:A6:32:7B:70:FF vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 net.ifnames=0 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=UUID=c53a32a7-abd4-4a65-8639-5696788573fc rootfstype=btrfs elevator=deadline rootwait fixrtc ProcVersionSignature: Ubuntu 5.3.0-1023.25~18.04.1-raspi2 5.3.18 RelatedPackageVersions: linux-restricted-modules-5.3.0-1023-raspi2 N/A linux-backports-modules-5.3.0-1023-raspi2 N/A linux-firmware 1.173.18 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' Tags: bionic uec-images Uname: Linux 5.3.0-1023-raspi2 aarch64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True To manage notifications about this bug go to: 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