apport information ** Tags added: apport-collected uec-images
** Description changed: Ubuntu 20.04 server with latest kernel 5.4.0-39-generic panics under load when cachefilesd is used. This bug is known and fixed in upstream kernel 5.4.44 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.44 cachefiles: Fix race between read_waiter and read_copier involving op->to_do [ Upstream commit 7bb0c5338436dae953622470d52689265867f032 ] https://github.com/torvalds/linux/commit/7bb0c5338436dae953622470d52689265867f032 #diff-14a48d14f7cd98c97d57211cfd758797 package: linux-image-5.4.0-39-generic, linux-image-generic Dmesg output: [450023.072377] FS-Cache: [450023.075150] FS-Cache: Assertion failed [450023.079496] FS-Cache: 4 == 5 is false [450023.083749] kernel BUG at fs/fscache/operation.c:69! [450023.089468] invalid opcode: 0000 [#1] SMP PTI [450023.094500] CPU: 13 PID: 0 Comm: swapper/13 Not tainted 5.4.0-37-generic #41-Ubuntu [450023.104057] Hardware name: Dell Inc. PowerEdge R430/0CN7X8, BIOS 2.11.0 12/23/2019 [450023.112660] RIP: 0010:fscache_enqueue_operation.cold+0xb7/0xb9 [fscache] [450023.120279] Code: a8 96 c0 e8 3f dc 1a e1 48 c7 c7 14 a8 96 c0 e8 33 dc 1a e1 41 8b 74 24 40 ba 05 00 00 00 48 c7 c7 28 98 96 c0 e8 1d dc 1a e1 <0f> 0b 48 c7 c7 06 a8 96 c0 e8 0f dc 1a e1 48 c7 c7 14 a8 96 c0 e8 [450023.141515] RSP: 0018:ffffbaca8cb88b98 EFLAGS: 00010046 [450023.147490] RAX: 0000000000000019 RBX: ffff98535b7f6540 RCX: 0000000000000006 [450023.156712] RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffff9872bf3978c0 [450023.165774] RBP: ffffbaca8cb88bb0 R08: 000000000000337d R09: ffffbaca8f984020 [450023.175116] R10: ffff9852b7ebc2a0 R11: 0000000000000001 R12: ffff9872b870f740 [450023.184384] R13: ffff9838bd287580 R14: 0000000000000000 R15: ffffbaca8cb88c48 [450023.193659] FS: 0000000000000000(0000) GS:ffff9872bf380000(0000) knlGS:0000000000000000 [450023.204016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [450023.211346] CR2: 000055eb5afaf2d8 CR3: 000000359180a004 CR4: 00000000003626e0 [450023.220602] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [450023.229668] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [450023.238621] Call Trace: [450023.242266] <IRQ> [450023.245426] cachefiles_read_waiter+0xe5/0x100 [cachefiles] [450023.252592] __wake_up_common+0x7e/0x140 [450023.257909] __wake_up_locked_key_bookmark+0x1b/0x20 [450023.264404] wake_up_page_bit+0xa7/0x100 [450023.269733] unlock_page+0x25/0x30 [450023.274491] __read_end_io+0xb6/0x110 [450023.279530] mpage_end_io+0x2f/0x40 [450023.284389] bio_endio+0xfb/0x160 [450023.289052] dec_pending+0x11c/0x210 [450023.294006] clone_endio+0x77/0x170 [450023.298874] bio_endio+0xfb/0x160 [450023.303540] blk_update_request+0x18a/0x2e0 [450023.309201] scsi_end_request+0x30/0x160 [450023.314571] scsi_io_completion+0x7c/0x540 [450023.320129] ? __update_load_avg_cfs_rq+0x212/0x2f0 [450023.326580] scsi_finish_command+0xe7/0x120 [450023.332259] scsi_softirq_done+0x14a/0x170 [450023.337840] blk_done_softirq+0x92/0xc0 [450023.343141] __do_softirq+0xe1/0x2d6 [450023.348145] irq_exit+0xae/0xb0 [450023.352670] smp_call_function_single_interrupt+0x48/0xd0 [450023.359735] call_function_single_interrupt+0xf/0x20 [450023.366323] </IRQ> [450023.369712] RIP: 0010:cpuidle_enter_state+0xc5/0x450 [450023.376326] Code: ff e8 5f 0c 81 ff 80 7d c7 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 65 03 00 00 31 ff e8 72 6e 87 ff fb 66 0f 1f 44 00 00 <45> 85 ed 0f 88 8f 02 00 00 49 63 cd 4c 8b 7d d0 4c 2b 7d c8 48 8d [450023.399419] RSP: 0018:ffffbaca8017be38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 [450023.409020] RAX: ffff9872bf3aad00 RBX: ffffffffa3159c00 RCX: 000000000000001f [450023.418148] RDX: 0000000000000000 RSI: 000000003a3fe5c1 RDI: 0000000000000000 [450023.427270] RBP: ffffbaca8017be78 R08: 0001994b295dad0d R09: 0000000000000001 [450023.436383] R10: ffff9872bf3a9a00 R11: ffff9872bf3a99e0 R12: ffffdaca7f583400 [450023.445496] R13: 0000000000000003 R14: 0000000000000003 R15: ffffdaca7f583400 [450023.454584] ? cpuidle_enter_state+0xa1/0x450 [450023.460544] cpuidle_enter+0x2e/0x40 [450023.465593] call_cpuidle+0x23/0x40 [450023.470525] do_idle+0x1dd/0x270 [450023.475147] cpu_startup_entry+0x20/0x30 [450023.480547] start_secondary+0x167/0x1c0 [450023.485934] secondary_startup_64+0xa4/0xb0 [450023.491620] Modules linked in: vhost_net vhost tap cpuid xt_state br_netfilter xt_physdev ip_set xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter bpfilter bridge cachefiles rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace fscache 8021q garp mrp stp llc bonding nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ipmi_ssif intel_rapl_msr intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel dcdbas kvm intel_cstate intel_rapl_perf ipmi_si mei_me ipmi_devintf mei ipmi_msghandler acpi_power_meter mac_hid sch_fq_codel sunrpc ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel mgag200 drm_vram_helper [450023.491667] i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect mxm_wmi aesni_intel crypto_simd sysimgblt cryptd fb_sys_fops glue_helper bnx2x drm ahci lpc_ich mdio libahci libcrc32c wmi [450023.619482] ---[ end trace 250fd62ab6d68a23 ]--- [450023.705655] RIP: 0010:fscache_enqueue_operation.cold+0xb7/0xb9 [fscache] [450023.714191] Code: a8 96 c0 e8 3f dc 1a e1 48 c7 c7 14 a8 96 c0 e8 33 dc 1a e1 41 8b 74 24 40 ba 05 00 00 00 48 c7 c7 28 98 96 c0 e8 1d dc 1a e1 <0f> 0b 48 c7 c7 06 a8 96 c0 e8 0f dc 1a e1 48 c7 c7 14 a8 96 c0 e8 [450023.737252] RSP: 0018:ffffbaca8cb88b98 EFLAGS: 00010046 [450023.744197] RAX: 0000000000000019 RBX: ffff98535b7f6540 RCX: 0000000000000006 [450023.753289] RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffff9872bf3978c0 [450023.762403] RBP: ffffbaca8cb88bb0 R08: 000000000000337d R09: ffffbaca8f984020 [450023.771518] R10: ffff9852b7ebc2a0 R11: 0000000000000001 R12: ffff9872b870f740 [450023.780643] R13: ffff9838bd287580 R14: 0000000000000000 R15: ffffbaca8cb88c48 [450023.789760] FS: 0000000000000000(0000) GS:ffff9872bf380000(0000) knlGS:0000000000000000 [450023.799961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [450023.807545] CR2: 000055eb5afaf2d8 CR3: 000000359180a004 CR4: 00000000003626e0 [450023.816699] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [450023.825847] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [450023.834993] Kernel panic - not syncing: Fatal exception in interrupt [450024.873211] Shutting down cpus with NMI [450024.878695] Kernel Offset: 0x20a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [450024.970837] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- + --- + ProblemType: Bug + AlsaDevices: + total 0 + crw-rw---- 1 root audio 116, 1 Jun 30 09:39 seq + crw-rw---- 1 root audio 116, 33 Jun 30 09:39 timer + AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' + ApportVersion: 2.20.11-0ubuntu27 + 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: + CasperMD5CheckResult: skip + DistroRelease: Ubuntu 20.04 + IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' + Lsusb: + Bus 002 Device 002: ID 8087:8002 Intel Corp. + Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + Bus 001 Device 003: ID 413c:a001 Dell Computer Corp. Hub + Bus 001 Device 002: ID 8087:800a Intel Corp. + Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + Lsusb-t: + /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M + |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M + /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M + |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M + |__ Port 6: Dev 3, If 0, Class=Hub, Driver=hub/6p, 480M + MachineType: Dell Inc. PowerEdge R430 + 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-5.4.0-39-generic root=/dev/mapper/vg0-data ro elevator=noop console=tty1 console=ttyS0,115200 transparent_hugepage=never hugepagesz=1G hugepages=205 default_hugepagesz=1G + ProcVersionSignature: Ubuntu 5.4.0-39.43-generic 5.4.41 + RelatedPackageVersions: + linux-restricted-modules-5.4.0-39-generic N/A + linux-backports-modules-5.4.0-39-generic N/A + linux-firmware 1.187 + RfKill: Error: [Errno 2] No such file or directory: 'rfkill' + Tags: focal uec-images + Uname: Linux 5.4.0-39-generic x86_64 + UnreportableReason: This report is about a package that is not installed. + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: + + _MarkForUpload: False + dmi.bios.date: 12/23/2019 + dmi.bios.vendor: Dell Inc. + dmi.bios.version: 2.11.0 + dmi.board.name: 0CN7X8 + dmi.board.vendor: Dell Inc. + dmi.board.version: A04 + dmi.chassis.type: 23 + dmi.chassis.vendor: Dell Inc. + dmi.modalias: dmi:bvnDellInc.:bvr2.11.0:bd12/23/2019:svnDellInc.:pnPowerEdgeR430:pvr:rvnDellInc.:rn0CN7X8:rvrA04:cvnDellInc.:ct23:cvr: + dmi.product.name: PowerEdge R430 + dmi.product.sku: SKU=NotProvided;ModelName=PowerEdge R430 + dmi.sys.vendor: Dell Inc. ** Attachment added: "CRDA.txt" https://bugs.launchpad.net/bugs/1885696/+attachment/5388459/+files/CRDA.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1885696 Title: Kernel panic linux-image-5.4.0-39-generic with cachefiles To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1885696/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
