WARNING: at fs/ext4/inode.c:3222

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* WARNING: at fs/ext4/inode.c:3222
       [not found] <84952911.2068510.1366860446300.JavaMail.root@redhat.com>
@ 2013-04-25  3:43 ` CAI Qian
  2013-04-25  4:24   ` Theodore Ts'o
  0 siblings, 1 reply; 3+ messages in thread
From: CAI Qian @ 2013-04-25  3:43 UTC (permalink / raw)
  To: linux-ext4; +Cc: linux-mm, Steve Best

OK, this is to test the latest ext4 dev tree on power 7 systems running xfstests,
http://people.redhat.com/qcai/console.log

[16276.692220] ------------[ cut here ]------------ 
[16276.692235] WARNING: at fs/ext4/inode.c:3222 
[16276.692238] Modules linked in: binfmt_misc(F) tun(F) nfnetlink(F) ipt_ULOG(F) pppoe(F) pppox(F) ppp_generic(F) slhc(F) bluetooth(F) rfkill(F) nfc(F) atm(F) af_key(F) rds(F) af_802154(F) btrfs(F) raid6_pq(F) xor(F) vfat(F) fat(F) lockd(F) sunrpc(F) nf_conntrack_netbios_ns(F) nf_conntrack_broadcast(F) ipt_MASQUERADE(F) ip6table_mangle(F) ip6t_REJECT(F) nf_conntrack_ipv6(F) nf_defrag_ipv6(F) iptable_nat(F) nf_nat_ipv4(F) nf_nat(F) iptable_mangle(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) iptable_filter(F) ip_tables(F) sg(F) ehea(F) xfs(F) libcrc32c(F) sd_mod(F) crc_t10dif(F) ibmvscsi(F) scsi_transport_srp(F) scsi_tgt(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F) [last unloade
 d: brd] 
[16276.692325] NIP: c0000000002bcdd4 LR: c0000000002bcc1c CTR: c0000000002bcec0 
[16276.692329] REGS: c0000000e8a03570 TRAP: 0700   Tainted: GF       W     (3.9.0-rc5+) 
[16276.692333] MSR: 8000000000029032 <SF,EE,ME,IR,DR,RI>  CR: 24824484  XER: 20000001 
[16276.692342] SOFTE: 1 
[16276.692344] CFAR: c0000000002bcc24 
[16276.692347] TASK = c00000012d9e5a40[7601] 'aio-dio-invalid' THREAD: c0000000e8a00000 CPU: 40 
GPR00: c0000000002bcc1c c0000000e8a037f0 c0000000010f3d98 0000000000000000  
GPR04: c00000010c3b4100 c00000010c3b4100 0000000000000001 00000000000007ae  
GPR08: 00000000000007ad 0000000000000001 0000000000000000 0000000000265174  
GPR12: 0000000024824482 c00000000edea000 0000000000000000 0000000000000000  
GPR16: 0000000000000000 6db6db6db6db6db7 c000000000273d98 0000000000000000  
GPR20: 00003ffffed6baf0 0000000000000001 0000000000000000 c00000010c3b4080  
GPR24: 0000000000000001 c00000010c11b900 0000000000000000 0000000000000001  
GPR28: fffffffffffffe00 c0000001171f68d0 c0000001171f68d0 c00000010c11b988  
[16276.692394] NIP [c0000000002bcdd4] .ext4_direct_IO+0x464/0x550 
[16276.692398] LR [c0000000002bcc1c] .ext4_direct_IO+0x2ac/0x550 
[16276.692401] Call Trace: 
[16276.692403] [c0000000e8a037f0] [c0000000002bcc1c] .ext4_direct_IO+0x2ac/0x550 (unreliable) 
[16276.692409] [c0000000e8a038d0] [c000000000191e54] .generic_file_direct_write+0x114/0x230 
[16276.692414] [c0000000e8a03990] [c00000000019225c] .__generic_file_aio_write+0x2ec/0x380 
[16276.692418] [c0000000e8a03a60] [c0000000002b7d10] .ext4_file_write+0x310/0x4b0 
[16276.692424] [c0000000e8a03b70] [c000000000270a58] .aio_rw_vect_retry+0xa8/0x250 
[16276.692428] [c0000000e8a03c00] [c000000000271c28] .aio_run_iocb+0x98/0x1b0 
[16276.692432] [c0000000e8a03c90] [c0000000002731e8] .do_io_submit+0x4f8/0xb40 
[16276.692437] [c0000000e8a03e30] [c000000000009e54] syscall_exit+0x0/0x98 
[16276.692441] Instruction dump: 
[16276.692443] 409effcc e93dffa0 792a6fe3 4082fd34 4bffff0c 2fbcfdef 419e0030 e9390060  
[16276.692450] 7ee94a78 7d290074 7929d182 69290001 <0b090000> 7ee3bb78 48009b15 60000000  
[16276.692457] ---[ end trace 7cbfec9a80d76711 ]---

Then test case 224 triggered OOM and start to kill random processes,

[16346.626132] 224 invoked oom-killer: gfp_mask=0x200da, order=0, oom_score_adj=0 
[16346.626169] 224 cpuset=/ mems_allowed=0-1 
[16346.626174] Call Trace: 
[16346.626190] [c00000011000f430] [c000000000015238] .show_stack+0x78/0x1e0 (unreliable) 
[16346.626204] [c00000011000f500] [c000000000746eb8] .dump_header+0xb4/0x224 
[16346.626215] [c00000011000f5d0] [c000000000194988] .oom_kill_process+0x378/0x530 
[16346.626224] [c00000011000f6c0] [c000000000195394] .out_of_memory+0x524/0x560 
[16346.626232] [c00000011000f7a0] [c00000000019b66c] .__alloc_pages_nodemask+0x9dc/0xa10 
[16346.626243] [c00000011000f950] [c0000000001e98c8] .alloc_pages_vma+0xc8/0x1f0 
[16346.626254] [c00000011000fa10] [c0000000001bfd90] .do_wp_page+0x140/0xd70 
[16346.626262] [c00000011000fb00] [c0000000001c2a60] .handle_pte_fault+0x350/0xc80 
[16346.626271] [c00000011000fc00] [c00000000073c210] .do_page_fault+0x440/0x860 
[16346.626280] [c00000011000fe30] [c000000000009268] handle_page_fault+0x10/0x30 

Eventually, the system became deadlocked.

[16368.868816] Out of memory: Kill process 937 (gdbus) score 0 or sacrifice child 
[16392.024342] BUG: soft lockup - CPU#58 stuck for 23s! [auditd:856] 
[16392.024399] Modules linked in: binfmt_misc(F) tun(F) nfnetlink(F) ipt_ULOG(F) pppoe(F) pppox(F) ppp_generic(F) slhc(F) bluetooth(F) rfkill(F) nfc(F) atm(F) af_key(F) rds(F) af_802154(F) btrfs(F) raid6_pq(F) xor(F) vfat(F) fat(F) lockd(F) sunrpc(F) nf_conntrack_netbios_ns(F) nf_conntrack_broadcast(F) ipt_MASQUERADE(F) ip6table_mangle(F) ip6t_REJECT(F) nf_conntrack_ipv6(F) nf_defrag_ipv6(F) iptable_nat(F) nf_nat_ipv4(F) nf_nat(F) iptable_mangle(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) iptable_filter(F) ip_tables(F) sg(F) ehea(F) xfs(F) libcrc32c(F) sd_mod(F) crc_t10dif(F) ibmvscsi(F) scsi_transport_srp(F) scsi_tgt(F) dm_mirror(F) dm_region_hash(F) dm_log(F) dm_mod(F) [last unloade
 d: brd] 
[16392.024719] NIP: c000000000194834 LR: c000000000194828 CTR: 0000000000577c64 
[16392.024735] REGS: c00000013590b1f0 TRAP: 0901   Tainted: GF       W     (3.9.0-rc5+) 
[16392.024749] MSR: 8000000000009032 <SF,EE,ME,IR,DR,RI>  CR: 28422228  XER: 00000003 
[16392.024800] SOFTE: 1 
[16392.024806] CFAR: c000000000194918 
[16392.024813] TASK = c0000001358c36c0[856] 'auditd' THREAD: c000000135908000 CPU: 58 
GPR00: c000000000194828 c00000013590b470 c0000000010f3d98 c000000001152080  
GPR04: 0000000000000000 0000000000000000 0000000001f1aba4 0000000000000000  
GPR08: 0000000000000000 0000000000000000 c000000139c83aa8 0000000000003fef  
GPR12: 0000000028422222 c00000000edee800  
[16392.024950] NIP [c000000000194834] .oom_kill_process+0x224/0x530 
[16392.024974] LR [c000000000194828] .oom_kill_process+0x218/0x530 
[16392.024984] Call Trace: 
[16392.025006] [c00000013590b470] [c000000000194828] .oom_kill_process+0x218/0x530 (unreliable) 
[16392.025033] [c00000013590b560] [c000000000195394] .out_of_memory+0x524/0x560 
[16392.025058] [c00000013590b640] [c00000000019b66c] .__alloc_pages_nodemask+0x9dc/0xa10 
[16392.025077] [c00000013590b7f0] [c0000000001e7628] .alloc_pages_current+0xb8/0x1b0 
[16392.025098] [c00000013590b890] [c000000000190b38] .__page_cache_alloc+0x108/0x150 
[16392.025113] [c00000013590b920] [c000000000192fe0] .filemap_fault+0x250/0x500 
[16392.025131] [c00000013590ba00] [c0000000001be4ec] .__do_fault+0xbc/0x7d0 
[16392.025147] [c00000013590bb00] [c0000000001c27cc] .handle_pte_fault+0xbc/0xc80 
[16392.025165] [c00000013590bc00] [c00000000073c210] .do_page_fault+0x440/0x860 
[16392.025188] [c00000013590be30] [c000000000009268] handle_page_fault+0x10/0x30 
[16392.025213] Instruction dump: 
[16392.025229] 915f0a50 3d420006 3aeae2e8 f9010090 7ffbfb78 f9210098 3b200000 7ee3bb78  
[16392.025271] 485a57cd 60000000 e9210098 e9010090 <7f1ac378> ebba0359 7fbae800 3bbdfc98  
[16426.204306] INFO: rcu_sched self-detected stall on CPU { 58}  (t=6001 jiffies g=162056 c=162055 q=63) 
[16426.204382] Call Trace: 
[16426.204411] [c00000013590ab90] [c000000000015238] .show_stack+0x78/0x1e0 (unreliable) 
[16426.204438] [c00000013590ac60] [c00000000014bb7c] .rcu_check_callbacks+0x3dc/0x890 
[16426.204465] [c00000013590ad80] [c00000000009c5c0] .update_process_times+0x40/0x90 
[16426.204488] [c00000013590ae10] [c0000000000f8520] .tick_sched_handle.isra.11+0x20/0xa0 
[16426.204508] [c00000013590ae90] [c0000000000f878c] .tick_sched_timer+0x5c/0xa0 
[16426.204522] [c00000013590af30] [c0000000000ba3ec] .__run_hrtimer+0xac/0x290 
[16426.204546] [c00000013590afd0] [c0000000000bb488] .hrtimer_interrupt+0x138/0x3d0 
[16426.204563] [c00000013590b0d0] [c00000000001d1b4] .timer_interrupt+0x124/0x2f0 
[16426.204581] [c00000013590b180] [c0000000000024d4] decrementer_common+0x154/0x180 
[16426.204603] --- Exception: 901 at .oom_kill_process+0x224/0x530 
[16426.204603]     LR = .oom_kill_process+0x218/0x530 
[16426.204639] [c00000013590b560] [c000000000195394] .out_of_memory+0x524/0x560 
[16426.204671] [c00000013590b640] [c00000000019b66c] .__alloc_pages_nodemask+0x9dc/0xa10 
[16426.204694] [c00000013590b7f0] [c0000000001e7628] .alloc_pages_current+0xb8/0x1b0 
[16426.204712] [c00000013590b890] [c000000000190b38] .__page_cache_alloc+0x108/0x150 
[16426.204741] [c00000013590b920] [c000000000192fe0] .filemap_fault+0x250/0x500 
[16426.204756] [c00000013590ba00] [c0000000001be4ec] .__do_fault+0xbc/0x7d0 
[16426.204774] [c00000013590bb00] [c0000000001c27cc] .handle_pte_fault+0xbc/0xc80 
[16426.204792] [c00000013590bc00] [c00000000073c210] .do_page_fault+0x440/0x860 
[16426.204817] [c00000013590be30] [c000000000009268] handle_page_fault+0x10/0x30

CAI Qian

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: WARNING: at fs/ext4/inode.c:3222
  2013-04-25  3:43 ` WARNING: at fs/ext4/inode.c:3222 CAI Qian
@ 2013-04-25  4:24   ` Theodore Ts'o
  2013-04-25  7:26     ` CAI Qian
  0 siblings, 1 reply; 3+ messages in thread
From: Theodore Ts'o @ 2013-04-25  4:24 UTC (permalink / raw)
  To: CAI Qian; +Cc: linux-ext4, linux-mm, Steve Best

On Wed, Apr 24, 2013 at 11:43:20PM -0400, CAI Qian wrote: 
> OK, this is to test the latest ext4 dev tree on power 7 systems
> running xfstests,

Thanks for reporting this.  Was this warning thrown while xfstests 224
was running?  (I like to make sure the xfstests output is sent to the
console so the kernel messages are intermixed with the xfstests
output, so it's clear which test triggered the warning.)

If so, can you reproduce the problem running xfstest #224 all by
itself?

Thanks,

						- Ted

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: WARNING: at fs/ext4/inode.c:3222
  2013-04-25  4:24   ` Theodore Ts'o
@ 2013-04-25  7:26     ` CAI Qian
  0 siblings, 0 replies; 3+ messages in thread
From: CAI Qian @ 2013-04-25  7:26 UTC (permalink / raw)
  To: Theodore Ts'o; +Cc: linux-ext4, linux-mm, Steve Best



----- Original Message -----
> From: "Theodore Ts'o" <tytso@mit.edu>
> To: "CAI Qian" <caiqian@redhat.com>
> Cc: linux-ext4@vger.kernel.org, "linux-mm" <linux-mm@kvack.org>, "Steve Best" <sbest@redhat.com>
> Sent: Thursday, April 25, 2013 12:24:05 PM
> Subject: Re: WARNING: at fs/ext4/inode.c:3222
> 
> On Wed, Apr 24, 2013 at 11:43:20PM -0400, CAI Qian wrote:
> > OK, this is to test the latest ext4 dev tree on power 7 systems
> > running xfstests,
> 
> Thanks for reporting this.  Was this warning thrown while xfstests 224
> was running?  (I like to make sure the xfstests output is sent to the
> console so the kernel messages are intermixed with the xfstests
> output, so it's clear which test triggered the warning.)
Yet to reproduce as only saw it once, but I'll try to see if this is
reproducible.
> 
> If so, can you reproduce the problem running xfstest #224 all by
> itself?
> 
> Thanks,
> 
> 						- Ted
> 

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^ permalink raw reply	[flat|nested] 3+ messages in thread

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2013-04-25  3:43 ` WARNING: at fs/ext4/inode.c:3222 CAI Qian
2013-04-25  4:24   ` Theodore Ts'o
2013-04-25  7:26     ` CAI Qian

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