Comment 0 for bug 1876011

Stating a zVM install and selecting dasd-fba devices leads to a kernel panic.

Details from the installer shell before the panic:

root@ubuntu-server:/# uname -a
Linux ubuntu-server 5.4.0-26-generic #30-Ubuntu SMP Mon Apr 20 16:57:22 UTC 2020 s390x s390x s390x GNU/Linux

root@ubuntu-server:/# cat /proc/cmdline
ip=10.245.208.13::10.245.208.1:255.255.255.0:s5lp1-gen03:enc600:none:10.245.208.1 url=ftp://10.13.0.2:21/ubuntu-live-server-20.04/focal-live-server-s390x.iso http_proxy=http://91.189.89.11:3128 --- quiet
root@ubuntu-server:/#

root@ubuntu-server:/# lsmod
Module Size Used by
dm_multipath 40960 0
scsi_dh_rdac 20480 0
scsi_dh_emc 16384 0
scsi_dh_alua 24576 0
vmur 20480 0
vfio_ccw 36864 0
vfio_mdev 16384 0
mdev 28672 2 vfio_ccw,vfio_mdev
vfio_iommu_type1 32768 0
vfio 36864 3 vfio_ccw,vfio_mdev,vfio_iommu_type1
sch_fq_codel 20480 1
drm 499712 0
drm_panel_orientation_quirks 16384 1 drm
i2c_core 77824 1 drm
ip_tables 32768 0
x_tables 45056 1 ip_tables
overlay 135168 1
nls_utf8 16384 1
isofs 49152 1
qeth_l2 45056 1
lcs 53248 0
zfcp 126976 0
scsi_transport_fc 69632 1 zfcp
raid10 65536 0
raid456 180224 0
async_raid6_recov 20480 1 raid456
async_memcpy 20480 1 raid456
async_pq 20480 1 raid456
async_xor 20480 2 async_pq,raid456
async_tx 20480 5 async_pq,async_memcpy,async_xor,raid456,async_raid6_recov
xor 16384 1 async_xor
raid6_pq 102400 3 async_pq,raid456,async_raid6_recov
libcrc32c 16384 1 raid456
raid1 53248 0
raid0 28672 0
linear 20480 0
pkey 32768 0
crc32_vx_s390 16384 1
ghash_s390 16384 0
prng 20480 4
aes_s390 28672 0
des_s390 20480 0
libdes 28672 1 des_s390
sha512_s390 16384 0
sha256_s390 16384 0
sha1_s390 16384 0
sha_common 16384 3 sha512_s390,sha256_s390,sha1_s390
qeth 135168 1 qeth_l2
dasd_fba_mod 24576 0
dasd_eckd_mod 131072 0
qdio 61440 3 qeth,zfcp,qeth_l2
ccwgroup 20480 3 qeth,lcs,qeth_l2
dasd_mod 143360 2 dasd_eckd_mod,dasd_fba_mod
zcrypt_cex4 20480 0
zcrypt 106496 2 pkey,zcrypt_cex4

root@ubuntu-server:/# dmesg | tail
[ 34.458754] audit: type=1400 audit(1588204779.286:14): apparmor="STATUS" operation="profile_load" profile="unconfined" name="snap.subiquity.subiquity-service" pid=1789 comm="apparmor_parser"
[ 190.647685] ctcm.151d85: CTCM driver initialized
[ 190.663097] dasd-fba.f36f2f: 0.0.0101: New FBA DASD 9336/10 (CU 6310/80) with 16383 MB and 512 B/blk
[ 190.664748] dasda: dasda1
[ 193.364797] dasd-fba.f36f2f: 0.0.0102: New FBA DASD 9336/10 (CU 6310/80) with 16383 MB and 512 B/blk
[ 193.366573] dasdb:(nonl) dasdb1
[ 195.743686] dasd-fba.f36f2f: 0.0.0103: New FBA DASD 9336/10 (CU 6310/80) with 16383 MB and 512 B/blk
[ 195.745327] dasdc:(nonl) dasdc1
[ 198.408631] dasd-fba.f36f2f: 0.0.0104: New FBA DASD 9336/10 (CU 6310/80) with 16384 MB and 512 B/blk
[ 198.411231] dasdd:(nonl) dasdd1

Dropped to shell after partition confirmation to run tail on syslog

root@ubuntu-server:/# tail -f /var/log/syslog
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: Shutdown Plan:
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: {'level': 6, 'device': '/sys/class/block/dm-0', 'dev_type': 'lvm'}
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: {'level': 4, 'device': '/sys/class/block/dasda/dasda1', 'dev_type': 'partition'}
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: {'level': 2, 'device': '/sys/class/block/dasda', 'dev_type': 'disk'}
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: shutdown running on holder type: 'lvm' syspath: '/sys/class/block/dm-0'
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: Running command ['dmsetup', 'splitname', 's5lp1--gen03--vg-s5lp3--gen3--lv', '-c', '--noheadings', '--separator', '=', '-o', 'vg_name,lv_name'] with allowed return codes [0] (capture=True)
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: Wiping lvm logical volume: /dev/s5lp1-gen03-vg/s5lp3-gen3-lv
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: wiping 1M on /dev/s5lp1-gen03-vg/s5lp3-gen3-lv at offsets [0, -1048576]
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: using "lvremove" on s5lp1-gen03-vg/s5lp3-gen3-lv
Apr 30 00:10:08 ubuntu-server curtin_log.2234[2946]: Running command ['lvremove', '--force', '--force', 's5lp1-gen03-vg/s5lp3-gen3-lv'] with allowed return codes [0] (capture=False)

x3270 console output:

ubuntu-server login: Ý 145.304094¨ addressing exception: 0005 ilc:3 Ý#1¨ SMP
Ý 145.304101¨ Modules linked in: zfs(PO) zunicode(PO) zavl(PO) icp(PO) zlua(PO)
 zcommon(PO) znvpair(PO) spl(O) zlib_deflate bcache crc64 ctcm fsm dm_multipath
scsi_dh_rdac scsi_dh_emc scsi_dh_alua vmur vfio_ccw vfio_mdev mdev vfio_iommu_ty
pe1 vfio sch_fq_codel drm drm_panel_orientation_quirks i2c_core ip_tables x_tabl
es overlay nls_utf8 isofs qeth_l2 lcs zfcp scsi_transport_fc raid10 raid456 asyn
c_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c ra
id1 raid0 linear pkey crc32_vx_s390 ghash_s390 prng aes_s390 des_s390 libdes sha
512_s390 qeth qdio ccwgroup sha256_s390 sha1_s390 sha_common zcrypt_cex4 dasd_ec
kd_mod dasd_fba_mod dasd_mod zcrypt
Ý 145.304140¨ CPU: 1 PID: 0 Comm: swapper/1 Tainted: P O 5.4.0-2
6-generic #30-Ubuntu
Ý 145.304145¨ Hardware name: IBM 2964 N63 400 (z/VM 6.4.0)
Ý 145.304150¨ Krnl PSW : 0404e00180000000 000003ff800e38a2 (dasd_fba_dump_sense
+0x282/0x4f0 Ýdasd_fba_mod¨)
Ý 145.304159¨ R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:
0 EA:302: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP sto
p from
 CPU 02.
03: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from
 CPU 03.
00: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from
 CPU 00.
00: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from
 CPU 01.
02: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from
 CPU 01.
03: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from
 CPU 01.
Ý 145.304168¨ Krnl GPRS: 0b8e51db0000000f 0000000000000000 00000000e11f518e 000
000007e500000
Ý 145.304170¨ 0000000000000004 00000000af2f6538 0000000000000004 000
00000e11f5000
Ý 145.304171¨ 000000010000018e 00000000032451e8 0000000003245208 000
0000003245208
Ý 145.304173¨ 000000017e169100 00000000e2e267a0 000003ff800e3864 000
003e00029fc58
Ý 145.304181¨ Krnl Code: 000003ff800e3892: eb110002000d sllg %r1,%r1,
2
Ý 145.304181¨ 000003ff800e3898: a76a0004 ahi %r6,4
Ý 145.304181¨ #000003ff800e389c: e34130000014 lgf %r4,0(%r
1,%r3)
Ý 145.304181¨ >000003ff800e38a2: a78a0009 ahi %r8,9
Ý 145.304181¨ 000003ff800e38a6: c030000014d2 larl %r3,0000
03ff800e624a
Ý 145.304181¨ 000003ff800e38ac: c0e5fffffc00 brasl %r14,000
003ff800e30ac
Ý 145.304181¨ 000003ff800e38b2: ec66ffdc207e cij %r6,32,6
,000003ff800e386a
Ý 145.304181¨ 000003ff800e38b8: b9140018 lgfr %r1,%r8
Ý 145.304197¨ Call Trace:
Ý 145.304200¨ (Ý<000003ff800e3864>¨ dasd_fba_dump_sense+0x244/0x4f0 Ýdasd_fba_m
od¨)
Ý 145.304211¨ Ý<000003ff8002d4da>¨ dasd_block_tasklet+0x25a/0x470 Ýdasd_mod¨
Ý 145.304217¨ Ý<00000000aede4ab2>¨ tasklet_action_common.isra.0+0x82/0x160
Ý 145.304223¨ Ý<00000000af63e6c4>¨ __do_softirq+0x104/0x360
Ý 145.304225¨ Ý<00000000aede522e>¨ irq_exit+0x9e/0xc0
Ý 145.304228¨ Ý<00000000aed70b18>¨ do_IRQ+0x78/0xb0
Ý 145.304229¨ Ý<00000000af63d948>¨ io_int_handler+0x124/0x28c
Ý 145.304232¨ Ý<00000000aed675bc>¨ enabled_wait+0x3c/0xd0
Ý 145.304235¨ Last Breaking-Event-Address:
Ý 145.304237¨ Ý<00000000af63e938>¨ __s390_indirect_jump_r14+0x0/0xc
Ý 145.304240¨ Kernel panic - not syncing: Fatal exception in interrupt
01: HCPGIR450W CP entered; disabled wait PSW 00020001 80000000 00000000 AED7349E