** Changed in: ubuntu-z-systems
Status: Triaged => In Progress
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1712724
Title:
s390 zKVM complains about "illegal operation" to s390/mm/pgalloc.c
Status in Ubuntu on IBM z Systems:
In Progress
Status in linux package in Ubuntu:
In Progress
Bug description:
[ 543.516708] kernel BUG at
/build/linux-a7axPg/linux-4.12.0/arch/s390/mm/pgalloc.c:84!
[ 543.516783] illegal operation: 0001 ilc:1 [#1] SMP
[ 543.516785] Modules linked in: xt_CHECKSUM iptable_mangle ipt_MASQUERADE
nf_nat_masquerade_ipv4 iptable_nat xt_tcpudp bridge stp llc iptable_filter
openvswitch nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4
nf_nat_ipv4 nf_defrag_ipv6 nf_nat nf_conntrack binfmt_misc zfs(PO) zunicode(PO)
zavl(PO) zcommon(PO) znvpair(PO) spl(O) vfio_ccw vfio_mdev mdev
vfio_iommu_type1 vfio ib_iser rdma_cm iw_cm ib_cm ib_core nfsd iscsi_tcp
auth_rpcgss nfs_acl lockd grace libiscsi_tcp libiscsi sunrpc
scsi_transport_iscsi ip_tables x_tables btrfs zlib_deflate raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c raid1 raid0 linear ghash_s390 prng aes_s390 des_s390 des_generic
sha512_s390 sha256_s390 virtio_net sha1_s390 sha_common virtio_blk virtio_scsi
[ 543.516828] CPU: 0 PID: 10024 Comm: task-size-overr Tainted: P O
4.12.0-12-generic #13-Ubuntu
[ 543.516829] Hardware name: IBM 2964 N63 400 (KVM/Linux)
[ 543.516830] task: 000000000cdb9e00 task.stack: 00000000099e8000
[ 543.516831] Krnl PSW : 0704d00180000000 00000000001274ec
(crst_table_upgrade+0x124/0x130)
[ 543.516841] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0
RI:0 EA:3
[ 543.516842] Krnl GPRS: 0000000000010000 0000040000000000 00000000243d7800
0020000000000000
[ 543.516843] 0000000000001000 0000000000000000 0000000000000032
0000000000000000
[ 543.516844] 0000000080000000 0020000000000000 0000000000000000
0000000000001000
[ 543.516845] 0020000000000000 00000000243d7800 00000000001239f6
00000000099ebbe0
[ 543.516853] Krnl Code: 00000000001274de: c0e5002446c1 brasl
%r14,5b0260
[ 543.516853] 00000000001274e4: a7f4ffb8 brc
15,127454
[ 543.516853] #00000000001274e8: a7f40001 brc
15,1274ea
[ 543.516853] >00000000001274ec: a728fff4 lhi %r2,-12
[ 543.516853] 00000000001274f0: a7f4ffee brc
15,1274cc
[ 543.516853] 00000000001274f4: 0707 bcr 0,%r7
[ 543.516853] 00000000001274f6: 0707 bcr 0,%r7
[ 543.516853] 00000000001274f8: c00400000000 brcl 0,1274f8
[ 543.516862] Call Trace:
[ 543.516864] ([<00000000085d8578>] 0x85d8578)
[ 543.516868] [<00000000002f529a>] get_unmapped_area+0x72/0x120
[ 543.516870] [<00000000002f931a>] do_mmap+0xfa/0x3e0
[ 543.516873] [<00000000002d6292>] vm_mmap_pgoff+0xca/0x120
[ 543.516874] [<00000000002f6962>] SyS_mmap_pgoff+0x10a/0x2a0
[ 543.516875] [<00000000002f6b72>] SyS_old_mmap+0x7a/0xa8
[ 543.516880] [<0000000000864c1c>] system_call+0xc4/0x27c
[ 543.516881] Last Breaking-Event-Address:
[ 543.516882] [<00000000001274e8>] crst_table_upgrade+0x120/0x130
[ 543.516883]
[ 543.516883] ---[ end trace 036f94bf79a83905 ]---
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.12.0-12-generic 4.12.0-12.13
ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
Uname: Linux 4.12.0-12-generic s390x
NonfreeKernelModules: zfs zunicode zavl 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'
ApportVersion: 2.20.6-0ubuntu6
Architecture: s390x
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
Date: Thu Aug 24 05:01:08 2017
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:
ProcEnviron:
TERM=vt220
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C
SHELL=/bin/bash
ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb'
ProcKernelCmdLine: root=UUID=d86dc8de-6ac8-4e4b-aba8-92872a209a8c
crashkernel=196M
RelatedPackageVersions:
linux-restricted-modules-4.12.0-12-generic N/A
linux-backports-modules-4.12.0-12-generic N/A
linux-firmware 1.167
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
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