Po-Hsu Lin, The kernel from proposed (4.15.0-67) on bionic seems to be working without this issue. There's no panic in the logs, and I can log in as an end user with a cephfs home directory without a problem.
-- 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/1849178 Title: upgrading linux-image package to 4.15.0-66.75 breaks Ceph network file system clients Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: This is occurring with both 18.04, and 16.04 w/ HWE. After upgrading the linux kernel image to 4.15.0-66, logging in with a user that has a cephfs home directory hangs. Dmesg reports the following: [ 221.239709] general protection fault: 0000 [#1] SMP PTI [ 221.239712] Modules linked in: ceph libceph libcrc32c fscache vboxsf(OE) snd_intel8x0 snd_ac97_codec crct10dif_pclmul crc32_pclmul ac97_bus ghash_clmulni_intel snd_pcm pcbc snd_seq_midi snd_seq_midi_event snd_rawmidi aesni_intel aes_x86_64 vboxvideo(OE) joydev snd_seq snd_seq_device snd_timer crypto_simd ttm glue_helper snd drm_kms_helper input_leds cryptd intel_rapl_perf soundcore serio_raw vboxguest(OE) drm fb_sys_fops syscopyarea sysfillrect sysimgblt video mac_hid sch_fq_codel parport_pc ppdev lp parport sunrpc ip_tables x_tables autofs4 hid_generic usbhid hid ahci psmouse libahci i2c_piix4 e1000 pata_acpi [ 221.239746] CPU: 1 PID: 1795 Comm: kworker/1:4 Tainted: G W OE 4.15.0-66-generic #75-Ubuntu [ 221.239748] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 221.239759] Workqueue: ceph-msgr ceph_con_workfn [libceph] [ 221.239767] RIP: 0010:kmem_cache_alloc+0x81/0x1b0 [ 221.239769] RSP: 0018:ffffb208812d7ae0 EFLAGS: 00010202 [ 221.239770] RAX: 0efb8a01a897ba8a RBX: 0efb8a01a897bfea RCX: 000000000000001a [ 221.239772] RDX: 0000000000000019 RSI: 0000000001400040 RDI: 00004929e00040d0 [ 221.239773] RBP: ffffb208812d7b10 R08: ffffd2087fd040d0 R09: ffff88de94ad6640 [ 221.239774] R10: 0000000000000000 R11: 00000000e3f68484 R12: 0000000001400040 [ 221.239775] R13: ffff88de962eb800 R14: 0efb8a01a897ba8a R15: ffff88de962eb800 [ 221.239777] FS: 0000000000000000(0000) GS:ffff88de9fd00000(0000) knlGS:0000000000000000 [ 221.239778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 221.239779] CR2: 00005604162106a8 CR3: 00000000c5e0a004 CR4: 00000000000606e0 [ 221.239782] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 221.239783] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 221.239784] Call Trace: [ 221.239792] ? ceph_alloc_inode+0x1d/0x3b0 [ceph] [ 221.239798] ceph_alloc_inode+0x1d/0x3b0 [ceph] [ 221.239801] alloc_inode+0x20/0x90 [ 221.239804] iget5_locked+0xea/0x1f0 [ 221.239809] ? ceph_d_init+0x45/0x60 [ceph] [ 221.239813] ? ceph_ino_compare+0x30/0x30 [ceph] [ 221.239817] ? ceph_mount+0x8a0/0x8a0 [ceph] [ 221.239822] ceph_get_inode+0x36/0xc0 [ceph] [ 221.239827] ceph_readdir_prepopulate+0x4e9/0xcb0 [ceph] [ 221.239834] handle_reply+0x954/0xcc0 [ceph] [ 221.239841] dispatch+0xcf/0xb40 [ceph] [ 221.239843] ? __switch_to_asm+0x35/0x70 [ 221.239845] ? __switch_to_asm+0x41/0x70 [ 221.239847] ? __switch_to_asm+0x35/0x70 [ 221.239848] ? __switch_to_asm+0x41/0x70 [ 221.239850] ? __switch_to_asm+0x35/0x70 [ 221.239856] try_read+0x64a/0x11a0 [libceph] [ 221.239858] ? __switch_to_asm+0x41/0x70 [ 221.239860] ? __switch_to_asm+0x35/0x70 [ 221.239861] ? __switch_to_asm+0x41/0x70 [ 221.239863] ? __switch_to_asm+0x35/0x70 [ 221.239864] ? __switch_to_asm+0x41/0x70 [ 221.239866] ? __switch_to_asm+0x35/0x70 [ 221.239871] ceph_con_workfn+0xda/0x610 [libceph] [ 221.239874] process_one_work+0x1de/0x420 [ 221.239876] worker_thread+0x32/0x410 [ 221.239878] kthread+0x121/0x140 [ 221.239880] ? process_one_work+0x420/0x420 [ 221.239881] ? kthread_create_worker_on_cpu+0x70/0x70 [ 221.239883] ret_from_fork+0x35/0x40 [ 221.239885] Code: f4 5b 74 49 83 78 10 00 4d 8b 30 0f 84 00 01 00 00 4d 85 f6 0f 84 f7 00 00 00 49 63 5f 20 49 8b 3f 48 8d 4a 01 4c 89 f0 4c 01 f3 <48> 33 1b 49 33 9f 40 01 00 00 65 48 0f c7 0f 0f 94 c0 84 c0 74 [ 221.239913] RIP: kmem_cache_alloc+0x81/0x1b0 RSP: ffffb208812d7ae0 [ 221.239914] ---[ end trace 35d882be2a72b80a ]--- This happens across all workstations on our network that are upgraded to this kernel. This issue does not exist on 4.15.0-65, and downgrading to this kernel returns all affected workstations to usability. --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.7 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 18.04 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux-hwe ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 vboxdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-66-generic root=UUID=f6b704ab-dd37-49ba-ae14-151beb30b0f0 ro quiet splash ProcVersionSignature: Ubuntu 4.15.0-66.75-generic 4.15.18 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.15.0-66-generic N/A linux-backports-modules-4.15.0-66-generic N/A linux-firmware 1.173.9 RfKill: Tags: bionic Uname: Linux 4.15.0-66-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.family: Virtual Machine dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1849178/+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
