Public bug reported:
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.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-hwe (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-hwe (Ubuntu)
Importance: Undecided
Status: New
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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:
New
Status in linux-hwe package in Ubuntu:
New
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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1849178/+subscriptions
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