Public bug reported:
I believe this started with the upgrade from 5.0.0-15-generic to
5.0.0-16-generic.
I'm running a ZFS RAID2 pool and one of the drives is faulted. I
rebooted under 5.0.0-16-generic and the pool won't import, even with
'-f'. zpool emits a kernel oops spa_load and any zfs tools run after
that just hangs (the system itself seems fine otherwise).
Trace included just incase the bug tool didn't pick it up.
[ 1365.610907] BUG: unable to handle kernel NULL pointer dereference at
0000000000000000
[ 1365.610980] #PF error: [normal kernel read fault]
[ 1365.611017] PGD 0 P4D 0
[ 1365.611042] Oops: 0000 [#1] SMP PTI
[ 1365.611073] CPU: 2 PID: 5945 Comm: zpool Tainted: P O
5.0.0-16-generic #17-Ubuntu
[ 1365.611139] Hardware name: Supermicro A1SRM-2758F/A1SRM-2758F, BIOS 2.1
01/19/2018
[ 1365.611270] RIP: 0010:spa_config_valid_zaps+0x43/0x70 [zfs]
[ 1365.611315] Code: 00 00 48 8b 86 e0 26 00 00 48 89 87 e0 26 00 00 74 42 55
48 89 e5 41 55 49 89 f5 41 54 49 89 fc 53 31 db 49 8b 85 88 00 00 00 <48> 8b 34
d8 49 8b 84 24 88 00 00 00 48 8b 3c d8 48 83 c3 01 e8 a4
[ 1365.611450] RSP: 0018:ffffb59d43bc7c48 EFLAGS: 00010246
[ 1365.611492] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001485
[ 1365.611546] RDX: ffff9fa181649780 RSI: ffff9fa1986d4000 RDI: ffff9fa17bdcc000
[ 1365.611600] RBP: ffffb59d43bc7c60 R08: 0000000000027060 R09: ffffffffc0bd5f53
[ 1365.611653] R10: ffffdda120059240 R11: ffff9fa1986a8000 R12: ffff9fa17bdcc000
[ 1365.611707] R13: ffff9fa1986d4000 R14: ffff9fa17bd94000 R15: ffff9fa1986d4000
[ 1365.611761] FS: 00007f8c91465780(0000) GS:ffff9fa1dfa80000(0000)
knlGS:0000000000000000
[ 1365.611822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1365.611866] CR2: 0000000000000000 CR3: 00000007fccd2000 CR4: 00000000001006e0
[ 1365.611920] Call Trace:
[ 1365.612021] spa_load+0x14b4/0x21e0 [zfs]
[ 1365.612121] spa_tryimport+0xaa/0x450 [zfs]
[ 1365.612217] zfs_ioc_pool_tryimport+0x64/0xc0 [zfs]
[ 1365.612317] zfsdev_ioctl+0x54e/0x630 [zfs]
[ 1365.612357] do_vfs_ioctl+0xa9/0x640
[ 1365.612391] ? handle_mm_fault+0xe1/0x210
[ 1365.612426] ksys_ioctl+0x67/0x90
[ 1365.612456] __x64_sys_ioctl+0x1a/0x20
[ 1365.612489] do_syscall_64+0x5a/0x110
[ 1365.612522] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 1365.612563] RIP: 0033:0x7f8c915b3417
[ 1365.612595] Code: 00 00 90 48 8b 05 79 0a 0d 00 64 c7 00 26 00 00 00 48 c7
c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 49 0a 0d 00 f7 d8 64 89 01 48
[ 1365.612731] RSP: 002b:00007fff14f9fd78 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 1365.612790] RAX: ffffffffffffffda RBX: 00007fff14f9fd90 RCX: 00007f8c915b3417
[ 1365.612844] RDX: 00007fff14f9fd90 RSI: 0000000000005a06 RDI: 0000000000000003
[ 1365.612897] RBP: 0000559b69acc160 R08: 0000559b69ae4af0 R09: 0000000008000000
[ 1365.612952] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000559b69ace1e0
[ 1365.613005] R13: 0000559b69ada6f0 R14: 00007fff14fa3410 R15: 00007fff14fa3458
[ 1365.613062] Modules linked in: zfs(PO) zunicode(PO) zavl(PO) icp(PO)
zcommon(PO) znvpair(PO) spl(O) xt_nat xt_tcpudp veth ipt_MASQUERADE
nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_nat_ipv4
xt_addrtype iptable_filter bpfilter xt_conntrack nf_nat nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 br_netfilter bridge stp llc aufs overlay
nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ipmi_ssif
joydev input_leds intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel intel_cstate ipmi_si ipmi_devintf mac_hid
ipmi_msghandler sch_fq_codel nfsd auth_rpcgss nfs_acl lockd grace sunrpc
ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi coretemp ip_tables x_tables autofs4 xfs btrfs
zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor
async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid
hid ast ttm aesni_intel uas aes_x86_64 drm_kms_helper
[ 1365.613113] syscopyarea usb_storage crypto_simd sysfillrect gpio_ich
sysimgblt cryptd fb_sys_fops glue_helper ahci lpc_ich igb mpt3sas libahci
i2c_i801 dca drm raid_class i2c_algo_bit scsi_transport_sas i2c_ismt
[ 1365.624209] CR2: 0000000000000000
[ 1365.626489] ---[ end trace b55794841dc1b04f ]---
[ 1365.720954] RIP: 0010:spa_config_valid_zaps+0x43/0x70 [zfs]
[ 1365.720957] Code: 00 00 48 8b 86 e0 26 00 00 48 89 87 e0 26 00 00 74 42 55
48 89 e5 41 55 49 89 f5 41 54 49 89 fc 53 31 db 49 8b 85 88 00 00 00 <48> 8b 34
d8 49 8b 84 24 88 00 00 00 48 8b 3c d8 48 83 c3 01 e8 a4
[ 1365.720959] RSP: 0018:ffffb59d43bc7c48 EFLAGS: 00010246
[ 1365.720962] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001485
[ 1365.720963] RDX: ffff9fa181649780 RSI: ffff9fa1986d4000 RDI: ffff9fa17bdcc000
[ 1365.720964] RBP: ffffb59d43bc7c60 R08: 0000000000027060 R09: ffffffffc0bd5f53
[ 1365.720965] R10: ffffdda120059240 R11: ffff9fa1986a8000 R12: ffff9fa17bdcc000
[ 1365.720967] R13: ffff9fa1986d4000 R14: ffff9fa17bd94000 R15: ffff9fa1986d4000
[ 1365.720968] FS: 00007f8c91465780(0000) GS:ffff9fa1dfa80000(0000)
knlGS:0000000000000000
[ 1365.720970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1365.720971] CR2: 0000000000000000 CR3: 00000007fccd2000 CR4: 00000000001006e0
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: zfsutils-linux 0.7.12-1ubuntu5
ProcVersionSignature: Ubuntu 5.0.0-16.17-generic 5.0.8
Uname: Linux 5.0.0-16-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
Date: Sat Jun 8 12:21:53 2019
ProcEnviron:
LC_CTYPE=C.UTF-8
TERM=xterm-256color
PATH=(custom, no user)
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: zfs-linux
UpgradeStatus: Upgraded to disco on 2019-04-20 (49 days ago)
** Affects: zfs-linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug disco uec-images
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https://bugs.launchpad.net/bugs/1832088
Title:
zpool import -f throws kernel Ooops
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