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3.9.2: xfstests triggered panic

To: LKML <linux-kernel@xxxxxxxxxxxxxxx>
Subject: 3.9.2: xfstests triggered panic
From: CAI Qian <caiqian@xxxxxxxxxx>
Date: Wed, 22 May 2013 04:39:58 -0400 (EDT)
Cc: xfs@xxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <40971621.4497871.1369211701112.JavaMail.root@xxxxxxxxxx>
Thread-index: SAHC0wroGuqbIoKf+9YGsuTDL+slZg==
Thread-topic: 3.9.2: xfstests triggered panic
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: brd 
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

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