Reproduced on almost all s390x guests by running xfstests. 14634.396658¨ XFS (dm-1): Mounting Filesystem 14634.525522¨ XFS (dm-1): Ending clean mount 14640.413007¨ <000000000017c6d4>¨ idle_balance+0x1a0/0x340 14640.413010¨ <000000000063303e>¨ __schedule+0xa22/0xaf0 14640.428279¨ <0000000000630da6>¨ schedule_timeout+0x186/0x2c0 14640.428289¨ <00000000001cf864>¨ rcu_gp_kthread+0x1bc/0x298 14640.428300¨ <0000000000158c5a>¨ kthread+0xe6/0xec 14640.428304¨ <0000000000634de6>¨ kernel_thread_starter+0x6/0xc 14640.428308¨ <0000000000634de0>¨ kernel_thread_starter+0x0/0xc 14640.428311¨ Last Breaking-Event-Address: 14640.428314¨ <000000000016bd76>¨ walk_tg_tree_from+0x3a/0xf4 14640.428319¨ list_add corruption. next->prev should be prev (0000000000000918 ), but was (null). (next= (null)). 14640.508240¨ ------------� cut here ¨------------ 14640.508256¨ WARNING: at lib/list_debug.c:29 14640.508259¨ Modules linked in: binfmt_misc(F) tun(F) ipt_ULOG(F) af_802154(F) scsi_transport_iscsi(F) af_iucv(F) af_key(F) nfc(F) rds(F) atm(F) btrfs(F) zlib _deflate(F) raid6_pq(F) xor(F) vfat(F) fat(F) nfsv3(F) nfs_acl(F) nfs(F) lockd(F ) sunrpc(F) fscache(F) nfnetlink_log(F) nfnetlink(F) arc4(F) md4(F) nls_utf8(F) cifs(F) dns_resolver(F) nf_tproxy_core(F) nls_koi8_u(F) nls_cp932(F) ts_kmp(F) s ctp(F) fuse(F) nf_conntrack_netbios_ns(F) nf_conntrack_broadcast(F) ipt_MASQUERA DE(F) ip6table_nat(F) nf_nat_ipv6(F) ip6table_mangle(F) ip6t_REJECT(F) nf_conntr ack_ipv6(F) nf_defrag_ipv6(F) iptable_nat(F) nf_nat_ipv4(F) nf_nat(F) iptable_ma ngle(F) ipt_REJECT(F) nf_conntrack_ipv4(F) nf_defrag_ipv4(F) xt_conntrack(F) nf_ conntrack(F) ebtable_filter(F) ebtables(F) ip6table_filter(F) ip6_tables(F) ipta ble_filter(F) ip_tables(F) sg(F) qeth_l2(F) vmur(F) xfs(F) libcrc32c(F) dasd_fba _mod(F) dasd_eckd_mod(F) dasd_mod(F) qeth(F) qdio(F) lcs(F) ctcm(F) ccwgroup(F) fsm(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F) � last unloaded: brd¨ 14640.508358¨ CPU: 0 Tainted: GF D 3.9.2 #1 14640.508361¨ Process rcu_sched (pid: 10, task: 000000003ffc60c0, ksp: 00000000 3ffe3ba0) 14640.508363¨ Krnl PSW : 0404c00180000000 0000000000426544 (__list_add+0xd0/0xd 4) 14640.508378¨ R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 EA: 3 Krnl GPRS: 0000000000000002 0400000000a0a500 0000000000000075 0000000000000000 14640.508383¨ 0000000000426540 00000000026af440 000000003da430a8 000 0000000915c90 14640.508385¨ 00000000009cd800 00000000026b2800 0000000000915c90 000 0000000000000 14640.508388¨ 0000000000000918 000000003da430d0 000000000 14640.516392¨ � <0000000000634de6>¨ kernel_thread_starter+0x6/0xc 14640.516395¨ � <0000000000634de0>¨ kernel_thread_starter+0x0/0xc 14640.516398¨ Last Breaking-Event-Address: 14640.516400¨ � <0000000000426544>¨ __list_add+0xd0/0xd4 14640.516402¨ 14640.516544¨ Kernel panic - not syncing: Fatal exception in interrupt 00: HCPGIR450W CP entered; disabled wait PSW 00020001 80000000 00000000 0010F2AC Sometimes, this pops up, [16907.275002] WARNING: at kernel/rcutree.c:1960 or this, 15316.154171¨ XFS (dm-1): Mounting Filesystem 15316.255796¨ XFS (dm-1): Ending clean mount 15320.364246¨ 00000000006367a2: e310b0080004 lg %r1,8(%r 11) 15320.364249¨ 00000000006367a8: 41101010 la %r1,16(% r1) 15320.364251¨ 00000000006367ac: e33010000004 lg %r3,0(%r 1) 15320.364252¨ Call Trace: 15320.364252¨ Last Breaking-Event-Address: 15320.364253¨ � <0000000000000000>¨ Kernel stack overflow. 15320.364308¨ CPU: 0 Tainted: GF W 3.9.2 #1 15320.364309¨ Process rhts-test-runne (pid: 625, task: 000000003dccc890, ksp: 0 000000037433c78) 15320.364310¨ Krnl PSW : 0404c00180000000 0000000000636796 (do_dat_exception+0x 26/0x36c) 15320.364315¨ R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 EA: 3 15320.364316¨ Krnl GPRS: e500000000000000 0000000000014138 ffffffffffffffbf 000 0000000901110 15320.364317¨ 00000000001a9fe6 0000000000124438 0000000000020001 000 0000000000001 15320.364318¨ 00000000000141d8 00000000001a9fe6 0000000000000044 000 00000000141d8 0000000014028 15320.366500¨ Krnl Code: 000000000063678a: b9040082 lgr %r8,%r2 15320.366502¨ 000000000063678e: a729ffbf lghi %r2,-65 15320.366504¨ #0000000000636792: a7840001 brc 8,636794 15320.366507¨ >0000000000636796: e310f0980024 stg %r1,152( %r15) 15320.366509¨ 000000000063679c: e3b003100004 lg %r11,784 15320.366512¨ 00000000006367a2: e310b0080004 lg %r1,8(%r 11) 15320.366515¨ 00000000006367a8: 41101010 la %r1,16(% r1) 15320.366518¨ 00000000006367ac: e33010000004 lg %r3,0(%r 1) 15320.366518¨ Call Trace: 15320.366518¨ Last Breaking-Event-Address: 15320.366519¨ � <0000000000000000>¨ Kernel stack overflow. 15320.366541¨ CPU: 0 Tainted: GF W 3.9.2 #1 15320.366542¨ Process rhts-test-runne (pid: 625, task: 000000003dccc890, ksp: 0 000000037433c78) 15320.366543¨ Krnl PSW : 0404c00180000000 0000000000636796 (do_dat_exception+0x 26/0x36c) 15320.366546¨ R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 EA: 3 15320.366547¨ Krnl GPRS: e500000000000000 0000000000014138 ffffffffffffffbf 000 0000000901110 15320.366548¨ 00000000001a9fe6 0000000000124438 0000000000020001 000 0000000000001 15320.366549¨ 00000000000141d8 00000000001a9fe6 0000000000000044 000 00000000141d8 15320.366550¨ 0000000037430000 000000000063df78 0000000000634f24 000 0000000014028 15320.366557¨ Krnl Code: 000000000063678a: b9040082 lgr %r8,%r2 15320.366560¨ 000000000063678e: a729ffbf CAI Qian _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
