3.9.2: xfstests triggered panic
From: CAI Qian
Date: Wed May 22 2013 - 04:40:10 EST
Reproduced on almost all s390x guests by running xfstests.
14634.396658Â XFS (dm-1): Mounting Filesystem
14634.525522Â XFS (dm-1): Ending clean mount
14640.413007Â <000000000017c6d4>Â idle_balance+0x1a0/0x340
14640.413010Â <000000000063303e>Â __schedule+0xa22/0xaf0
14640.428279Â <0000000000630da6>Â schedule_timeout+0x186/0x2c0
14640.428289Â <00000000001cf864>Â rcu_gp_kthread+0x1bc/0x298
14640.428300Â <0000000000158c5a>Â kthread+0xe6/0xec
14640.428304Â <0000000000634de6>Â kernel_thread_starter+0x6/0xc
14640.428308Â <0000000000634de0>Â kernel_thread_starter+0x0/0xc
14640.428311Â Last Breaking-Event-Address:
14640.428314Â <000000000016bd76>Â walk_tg_tree_from+0x3a/0xf4
14640.428319Â list_add corruption. next->prev should be prev (0000000000000918
), but was (null). (next= (null)).
14640.508240Â ------------ï cut here Â------------
14640.508256Â WARNING: at lib/list_debug.c:29
14640.508259Â 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) ï last unloaded: brdÂ
14640.508358Â CPU: 0 Tainted: GF D 3.9.2 #1
14640.508361Â Process rcu_sched (pid: 10, task: 000000003ffc60c0, ksp: 00000000
3ffe3ba0)
14640.508363Â Krnl PSW : 0404c00180000000 0000000000426544 (__list_add+0xd0/0xd
4)
14640.508378Â 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
14640.508383Â 0000000000426540 00000000026af440 000000003da430a8 000
0000000915c90
14640.508385Â 00000000009cd800 00000000026b2800 0000000000915c90 000
0000000000000
14640.508388Â 0000000000000918 000000003da430d0 000000000
14640.516392Â ï <0000000000634de6>Â kernel_thread_starter+0x6/0xc
14640.516395Â ï <0000000000634de0>Â kernel_thread_starter+0x0/0xc
14640.516398Â Last Breaking-Event-Address:
14640.516400Â ï <0000000000426544>Â __list_add+0xd0/0xd4
14640.516402Â
14640.516544Â 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,
15316.154171Â XFS (dm-1): Mounting Filesystem
15316.255796Â XFS (dm-1): Ending clean mount
15320.364246Â 00000000006367a2: e310b0080004 lg %r1,8(%r
11)
15320.364249Â 00000000006367a8: 41101010 la %r1,16(%
r1)
15320.364251Â 00000000006367ac: e33010000004 lg %r3,0(%r
1)
15320.364252Â Call Trace:
15320.364252Â Last Breaking-Event-Address:
15320.364253Â ï <0000000000000000>Â Kernel stack overflow.
15320.364308Â CPU: 0 Tainted: GF W 3.9.2 #1
15320.364309Â Process rhts-test-runne (pid: 625, task: 000000003dccc890, ksp: 0
000000037433c78)
15320.364310Â Krnl PSW : 0404c00180000000 0000000000636796 (do_dat_exception+0x
26/0x36c)
15320.364315Â R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 EA:
3
15320.364316Â Krnl GPRS: e500000000000000 0000000000014138 ffffffffffffffbf 000
0000000901110
15320.364317Â 00000000001a9fe6 0000000000124438 0000000000020001 000
0000000000001
15320.364318Â 00000000000141d8 00000000001a9fe6 0000000000000044 000
00000000141d8
0000000014028
15320.366500Â Krnl Code: 000000000063678a: b9040082 lgr %r8,%r2
15320.366502Â 000000000063678e: a729ffbf lghi %r2,-65
15320.366504Â #0000000000636792: a7840001 brc 8,636794
15320.366507Â >0000000000636796: e310f0980024 stg %r1,152(
%r15)
15320.366509Â 000000000063679c: e3b003100004 lg %r11,784
15320.366512Â 00000000006367a2: e310b0080004 lg %r1,8(%r
11)
15320.366515Â 00000000006367a8: 41101010 la %r1,16(%
r1)
15320.366518Â 00000000006367ac: e33010000004 lg %r3,0(%r
1)
15320.366518Â Call Trace:
15320.366518Â Last Breaking-Event-Address:
15320.366519Â ï <0000000000000000>Â Kernel stack overflow.
15320.366541Â CPU: 0 Tainted: GF W 3.9.2 #1
15320.366542Â Process rhts-test-runne (pid: 625, task: 000000003dccc890, ksp: 0
000000037433c78)
15320.366543Â Krnl PSW : 0404c00180000000 0000000000636796 (do_dat_exception+0x
26/0x36c)
15320.366546Â R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 EA:
3
15320.366547Â Krnl GPRS: e500000000000000 0000000000014138 ffffffffffffffbf 000
0000000901110
15320.366548Â 00000000001a9fe6 0000000000124438 0000000000020001 000
0000000000001
15320.366549Â 00000000000141d8 00000000001a9fe6 0000000000000044 000
00000000141d8
15320.366550Â 0000000037430000 000000000063df78 0000000000634f24 000
0000000014028
15320.366557Â Krnl Code: 000000000063678a: b9040082 lgr %r8,%r2
15320.366560Â 000000000063678e: a729ffbf
CAI Qian
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/