Occurs when performing the FIBMAP ioctl on /dev/bsg/rport-1:0-0
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https://bugs.launchpad.net/bugs/1800609
Title:
dev test in ubuntu_stress_smoke_tests will hang on s390x Ubuntu on
LPAR
Status in Stress-ng:
New
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Bug description:
The dev test on a s390x node (Ubuntu on LPAR) will hang, kernel bug
could be found in the syslog
[54084.082277] ------------[ cut here ]------------
[54084.082279] kernel BUG at mm/usercopy.c:100!
[54084.082294] illegal operation: 0001 ilc:1 [#256] SMP
[54084.082297] Modules linked in: vhost_net vhost tap cuse dccp_ipv4 dccp
algif_rng salsa20_generic camellia_generic cast6_generic cast_common
serpent_generic twofish_generic twofish_common lrw algif_skcipher tgr192 wp512
rmd320 rmd256 rmd160 rmd128 md4 algif_hash af_alg aufs ip6t_MASQUERADE
ip6table_nat ip6table_filter ip6_tables xt_comment xt_CHECKSUM iptable_mangle
ipt_MASQUERADE iptable_nat xt_tcpudp bridge iptable_filter bpfilter openvswitch
nsh nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4
nf_defrag_ipv6 nf_conncount nf_nat nf_conntrack 8021q garp mrp stp llc
binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) dm_service_time zcommon(PO)
znvpair(PO) dm_multipath scsi_dh_rdac scsi_dh_emc spl(O) scsi_dh_alua
ghash_s390 prng aes_s390 des_s390 des_generic sha512_s390 sha256_s390
[54084.082354] sha1_s390 sha_common genwqe_card crc_itu_t chsc_sch eadm_sch
ctcm fsm vfio_ccw vfio_mdev mdev vfio_iommu_type1 vfio sch_fq_codel nfsd
ib_iser rdma_cm auth_rpcgss nfs_acl iw_cm lockd grace ib_cm iscsi_tcp
libiscsi_tcp sunrpc libiscsi scsi_transport_iscsi ip_tables x_tables btrfs
zstd_compress zlib_deflate raid10 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 linear mlx4_en
mlx4_ib qeth_l2 ib_core ptp pps_core crc32_vx_s390 mlx4_core devlink zfcp
scsi_transport_fc qeth qdio ccwgroup dasd_eckd_mod dasd_mod
[54084.082418] CPU: 3 PID: 217520 Comm: stress-ng-dev Tainted: P D O
4.18.0-11-generic #12-Ubuntu
[54084.082420] Hardware name: IBM 2964 N63 400 (LPAR)
[54084.082422] Krnl PSW : 00000000ed7ed85f 00000000816ddc5c
(usercopy_abort+0xb2/0xb8)
[54084.082433] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0
RI:0 EA:3
[54084.082436] Krnl GPRS: 0000000000000320 0000000000000006 0000000000000056
0000000000000007
[54084.082438] 0000000000000007 000000007fe00000 0000000000a96d3a
0000000000000000
[54084.082441] 000003ff00000000 0000000000000006 0000000000000006
00000002acb4ee00
[54084.082443] 0000000000a96d3a 0000000000914430 0000000000386606
000000038f087a78
[54084.082449] Krnl Code: 00000000003865fa: c02000390dc4 larl
%r2,aa8182
0000000000386600: c0e5fff2b418 brasl
%r14,1dce30
#0000000000386606: a7f40001 brc
15,386608
>000000000038660a: 0707 bcr 0,%r7
000000000038660c: 0707 bcr 0,%r7
000000000038660e: 0707 bcr 0,%r7
0000000000386610: c00400000000 brcl 0,386610
0000000000386616: ebcff0780024 stmg
%r12,%r15,120(%r15)
[54084.082484] Call Trace:
[54084.082487] ([<0000000000386606>] usercopy_abort+0xae/0xb8)
[54084.082489] [<0000000000386522>] __check_object_size+0x19a/0x1d0
[54084.082492] [<00000000005c69d8>] sg_scsi_ioctl+0x120/0x3d8
[54084.082495] [<00000000005c75b6>] scsi_cmd_ioctl+0x3ce/0x3d8
[54084.082497] [<00000000005c87d0>] bsg_ioctl+0x118/0x250
[54084.082499] [<00000000003a3c9c>] do_vfs_ioctl+0xac/0x650
[54084.082502] [<00000000003a42cc>] ksys_ioctl+0x8c/0xb8
[54084.082504] [<00000000003a432a>] sys_ioctl+0x32/0x40
[54084.082507] [<00000000008f0dc0>] system_call+0xdc/0x2c8
[54084.082508] Last Breaking-Event-Address:
[54084.082510] [<0000000000386606>] usercopy_abort+0xae/0xb8
[54084.082512]
[54084.082513] ---[ end trace 5009dd6293a23031 ]---
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-11-generic 4.18.0-11.12
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Uname: Linux 4.18.0-11-generic s390x
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code
2: ls: cannot access '/dev/snd/': No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.10-0ubuntu13
Architecture: s390x
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
Date: Tue Oct 30 09:05:17 2018
HibernationDevice: RESUME=UUID=46fcf640-03e2-4fd5-b7d6-321d6a11ff8d
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:
ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb'
ProcKernelCmdLine: root=UUID=7ca41340-b34a-4b16-87e9-3ceb5b51767d
crashkernel=196M BOOT_IMAGE=0
RelatedPackageVersions:
linux-restricted-modules-4.18.0-11-generic N/A
linux-backports-modules-4.18.0-11-generic N/A
linux-firmware 1.175
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
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