Server crashed with "Kernel panic - not syncing: Fatal exception: panic_on_oops" message

Solution Unverified - Updated -

Issue

  • System getting crashed with the following messages observed in the kernel buffer logs :
[517599.609106] Unable to handle kernel pointer dereference in virtual kernel address space
[517599.609117] Failing address: 176da5f44ca0c000 TEID: 176da5f44ca0c803
[517599.609120] Fault in home space mode while using kernel ASCE.
[517599.609123] AS:00000000b8e2c007 R3:0000000000000024 
[517599.609154] Oops: 0038 ilc:3 [#1] SMP 
[517599.609158] Modules linked in: nf_tables nfnetlink mptcp_diag xsk_diag raw_diag unix_diag af_packet_diag netlink_diag udp_diag tcp_diag inet_diag snapixt(POE) sna_linux(OE) streams(OE) lcs ctcm fsm zfcp scsi_transport_fc dasd_fba_mod 8021q garp mrp ext4 mbcache jbd2 ghash_s390 prng xts aes_s390 des_s390 des_generic sha3_512_s390 sha3_256_s390 sha512_s390 vmur vfio_ccw vfio_mdev mdev vfio_iommu_type1 vfio binfmt_misc xfs libcrc32c qeth_l2 bridge stp llc qeth qdio ccwgroup dasd_eckd_mod dasd_mod dm_mirror dm_region_hash dm_log dm_mod pkey zcrypt
[517599.609195] CPU: 1 PID: 10601 Comm: LiS-CS711A0:1 Kdump: loaded Tainted: P           OE     -------- -  - 4.18.0-553.36.1.el8_10.s390x #1
[517599.609202] Hardware name: IBM 8561 T01 606 (z/VM 7.3.0)
[517599.609203] Krnl PSW : 0704e00180000000 000003ff80561372 (lis_qenable+0x62/0x1f8 [streams])
[517599.609239]            R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3
[517599.609241] Krnl GPRS: 0000000000000000 176da5f44ca0c5a2 00000001847cad20 070003ff80581f58
[517599.609243]            000003ff80577294 0000000000000507 000003ff80581f88 0000000000000000
[517599.609244]            00000000d95e7de8 00000000d95e7d60 00000001847cadd0 00000001847cad20
[517599.609246]            0000000085f30000 000003ff80581f58 00000000d95e7cc0 00000000d95e7c68
[517599.609254] Krnl Code: 000003ff80561362: ec280048007e       cij     %r2,0,8,3ff805613f2
                           000003ff80561368: e310b0000002       ltg     %r1,0(%r11)
                          #000003ff8056136e: a7840042           brc     8,3ff805613f2
                          >000003ff80561372: e31010080002       ltg     %r1,8(%r1)
                           000003ff80561378: a784003d           brc     8,3ff805613f2
                           000003ff8056137c: 41a0b0b0           la      %r10,176(%r11)
                           000003ff80561380: 4190f0a8           la      %r9,168(%r15)
                           000003ff80561384: b904002a           lgr     %r2,%r10
[517599.609290] Call Trace:
[517599.609291] ([<07000000d95e7c98>] 0x7000000d95e7c98)
[517599.609293]  [<000003ff8056367c>] lis_retry_qenable+0xbc/0xc8 [streams] 
[517599.609306]  [<000003ff80566694>] queuerun+0x694/0x830 [streams] 
[517599.609318]  [<000003ff80566896>] lis_run_queues+0x66/0x98 [streams] 
[517599.609331]  [<000003ff80558e5e>] lis_thread_runqueues+0xce/0x200 [streams] 
[517599.609341]  [<00000000b7b6f2c4>] kthread+0x17c/0x1a0 
[517599.609347]  [<00000000b8336dfe>] kernel_thread_starter+0x6/0x10 
[517599.609353]  [<00000000b8336df8>] kernel_thread_starter+0x0/0x10 
[517599.609355] Last Breaking-Event-Address:
[517599.609356]  [<0000000000000001>] 0x1
[517599.609357]  
[517599.609358] Kernel panic - not syncing: Fatal exception: panic_on_oops

Environment

  • Red Hat Enterprise Linux 8.

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