From: Tristan Linnenbank <tristan@byte.nl>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: file_splice_read problem in 2.6.24.2?
Date: Thu, 05 Jun 2008 08:59:01 +0200 [thread overview]
Message-ID: <48478EB5.9020207@byte.nl> (raw)
In-Reply-To: <20080604163559.GS5757@kernel.dk>
Jens Axboe wrote:
> So either this is fixed by this:
>
> http://git.kernel.dk/?p=linux-2.6.git;a=commit;h=8191ecd1d14c6914c660dfa007154860a7908857
>
> or it's a different bug. You should post the full oops (including any
> message that came before the oops, like the 'locked up for foo seconds'
> in the urls you reference above) with the Code line at the bottom as
> well so we can see what the registers are used for.
>
> If it's the bug fixed with the above commit, then 2.6.25.x should
> work. Unfortunately I'm unsure of the -stable status of the above
> patch.
>
thanks for your reply.
I appended five of the bunch of errors to this mail. They all lock the
CPU for 11 seconds (just like the nfsd errors we had in February/April),
so that could be a sign of them being the same bug.
It seems to be the same problem. We've only seen this behaviour once on
the one machine though. I'll keep a couple of webservers on 2.6.24.2 and
some on 2.6.25.4, just to see what happens.
Thanks!
Kind regards,
Tristan
Jun 4 15:08:38 web10.c1.internal kernel: BUG: soft lockup - CPU#0 stuck
for 11s! [apache2:22361]
Jun 4 15:08:38 web10.c1.internal kernel: Jun 4 15:08:38
web10.c1.internal kernel: Pid: 22361, comm: apache2 Not tainted
(2.6.24.2-fwsh-byte #2)
Jun 4 15:08:38 web10.c1.internal kernel: EIP: 0060:[<c0140967>] EFLAGS:
00000286 CPU: 0
Jun 4 15:08:38 web10.c1.internal kernel: EIP is at
find_get_pages_contig+0x67/0x73
Jun 4 15:08:38 web10.c1.internal kernel: EAX: 00000000 EBX: 00000010
ECX: c1c75e20 EDX: c1c75e20
Jun 4 15:08:38 web10.c1.internal kernel: ESI: 00000010 EDI: de5cb920
EBP: 00000010 ESP: d43b7cd8
Jun 4 15:08:38 web10.c1.internal kernel: DS: 007b ES: 007b FS: 00d8 GS:
0033 SS: 0068
Jun 4 15:08:38 web10.c1.internal kernel: CR0: 8005003b CR2: b77f8e04
CR3: 0c78a000 CR4: 000006f0
Jun 4 15:08:38 web10.c1.internal kernel: DR0: 00000000 DR1: 00000000
DR2: 00000000 DR3: 00000000
Jun 4 15:08:38 web10.c1.internal kernel: DR6: ffff0ff0 DR7: 00000400
Jun 4 15:08:38 web10.c1.internal kernel: [<c017c49c>]
__generic_file_splice_read+0xa2/0x41e
Jun 4 15:08:38 web10.c1.internal kernel: [<c0113b11>] sched_slice+0x15/0x6f
Jun 4 15:08:38 web10.c1.internal kernel: [<c0110cb8>] read_hpet+0xa/0xd
Jun 4 15:08:38 web10.c1.internal kernel: [<c0131291>]
getnstimeofday+0x31/0x105
Jun 4 15:08:38 web10.c1.internal kernel: [<c0122ed9>]
lock_timer_base+0x27/0x51
Jun 4 15:08:38 web10.c1.internal kernel: [<c0122f83>] __mod_timer+0x80/0x8e
Jun 4 15:08:38 web10.c1.internal kernel: [<c040dde0>]
tcp_keepalive_timer+0x0/0x1c4
Jun 4 15:08:38 web10.c1.internal kernel: [<c03d03ce>]
sk_reset_timer+0xc/0x16
Jun 4 15:08:38 web10.c1.internal kernel: [<c040dd9b>]
tcp_synack_timer+0x19/0x1d
Jun 4 15:08:38 web10.c1.internal kernel: [<c040df9c>]
tcp_keepalive_timer+0x1bc/0x1c4
Jun 4 15:08:38 web10.c1.internal kernel: [<c0123289>]
run_timer_softirq+0xcf/0x184
Jun 4 15:08:38 web10.c1.internal kernel: [<c012a893>]
__rcu_process_callbacks+0x76/0xbb
Jun 4 15:08:38 web10.c1.internal kernel: [<c011f979>]
tasklet_action+0x53/0x93
Jun 4 15:08:38 web10.c1.internal kernel: [<c011f754>]
__do_softirq+0xba/0xcf
Jun 4 15:08:38 web10.c1.internal kernel: [<c017c88d>]
generic_file_splice_read+0x75/0xc9
Jun 4 15:08:38 web10.c1.internal kernel: [<c01eda5c>]
nfs_file_splice_read+0x67/0x9d
Jun 4 15:08:38 web10.c1.internal kernel: [<c017d083>]
do_splice_to+0x6e/0x90
Jun 4 15:08:38 web10.c1.internal kernel: [<c017d144>]
splice_direct_to_actor+0x9f/0x166
Jun 4 15:08:38 web10.c1.internal kernel: [<c017d20b>]
direct_splice_actor+0x0/0x31
Jun 4 15:08:38 web10.c1.internal kernel: [<c017d2a4>]
do_splice_direct+0x68/0x8b
Jun 4 15:08:38 web10.c1.internal kernel: [<c016141a>]
do_readv_writev+0x130/0x193
Jun 4 15:08:38 web10.c1.internal kernel: [<c01617ff>]
do_sendfile+0x1f5/0x256
Jun 4 15:08:38 web10.c1.internal kernel: [<c01618b8>]
sys_sendfile+0x58/0xa5
Jun 4 15:08:38 web10.c1.internal kernel: [<c0102836>]
sysenter_past_esp+0x5f/0x85
Jun 4 15:08:38 web10.c1.internal kernel: =======================
Jun 4 15:08:50 web10.c1.internal kernel: BUG: soft lockup - CPU#0 stuck
for 11s! [apache2:22361]
Jun 4 15:08:50 web10.c1.internal kernel: Jun 4 15:08:50
web10.c1.internal kernel: Pid: 22361, comm: apache2 Not tainted
(2.6.24.2-fwsh-byte #2)
Jun 4 15:08:50 web10.c1.internal kernel: EIP: 0060:[<c0140967>] EFLAGS:
00000286 CPU: 0
Jun 4 15:08:50 web10.c1.internal kernel: EIP is at
find_get_pages_contig+0x67/0x73
Jun 4 15:08:50 web10.c1.internal kernel: EAX: 00000000 EBX: 00000010
ECX: c1c75e20 EDX: c1c75e20
Jun 4 15:08:50 web10.c1.internal kernel: ESI: 00000010 EDI: de5cb920
EBP: 00000010 ESP: d43b7cd8
Jun 4 15:08:50 web10.c1.internal kernel: DS: 007b ES: 007b FS: 00d8 GS:
0033 SS: 0068
Jun 4 15:08:50 web10.c1.internal kernel: CR0: 8005003b CR2: b77f8e04
CR3: 0c78a000 CR4: 000006f0
Jun 4 15:08:50 web10.c1.internal kernel: DR0: 00000000 DR1: 00000000
DR2: 00000000 DR3: 00000000
Jun 4 15:08:50 web10.c1.internal kernel: DR6: ffff0ff0 DR7: 00000400
Jun 4 15:08:50 web10.c1.internal kernel: [<c017c49c>]
__generic_file_splice_read+0xa2/0x41e
Jun 4 15:08:50 web10.c1.internal kernel: [<c0113b11>] sched_slice+0x15/0x6f
Jun 4 15:08:50 web10.c1.internal kernel: [<c0110cb8>] read_hpet+0xa/0xd
Jun 4 15:08:50 web10.c1.internal kernel: [<c0131291>]
getnstimeofday+0x31/0x105
Jun 4 15:08:50 web10.c1.internal kernel: [<c0134301>]
clockevents_program_event+0xbf/0x134
Jun 4 15:08:50 web10.c1.internal kernel: [<c012ef49>]
ktime_get_ts+0x15/0x47
Jun 4 15:08:50 web10.c1.internal kernel: [<c01231ea>]
run_timer_softirq+0x30/0x184
Jun 4 15:08:50 web10.c1.internal kernel: [<c012a893>]
__rcu_process_callbacks+0x76/0xbb
Jun 4 15:08:50 web10.c1.internal kernel: [<c011f979>]
tasklet_action+0x53/0x93
Jun 4 15:08:50 web10.c1.internal kernel: [<c011f754>]
__do_softirq+0xba/0xcf
Jun 4 15:08:50 web10.c1.internal kernel: [<c017c88d>]
generic_file_splice_read+0x75/0xc9
Jun 4 15:08:50 web10.c1.internal kernel: [<c01eda5c>]
nfs_file_splice_read+0x67/0x9d
Jun 4 15:08:50 web10.c1.internal kernel: [<c017d083>]
do_splice_to+0x6e/0x90
Jun 4 15:08:50 web10.c1.internal kernel: [<c017d144>]
splice_direct_to_actor+0x9f/0x166
Jun 4 15:08:50 web10.c1.internal kernel: [<c017d20b>]
direct_splice_actor+0x0/0x31
Jun 4 15:08:50 web10.c1.internal kernel: [<c017d2a4>]
do_splice_direct+0x68/0x8b
Jun 4 15:08:50 web10.c1.internal kernel: [<c016141a>]
do_readv_writev+0x130/0x193
Jun 4 15:08:50 web10.c1.internal kernel: [<c01617ff>]
do_sendfile+0x1f5/0x256
Jun 4 15:08:50 web10.c1.internal kernel: [<c01618b8>]
sys_sendfile+0x58/0xa5
Jun 4 15:08:50 web10.c1.internal kernel: [<c0102836>]
sysenter_past_esp+0x5f/0x85
Jun 4 15:08:51 web10.c1.internal kernel: =======================
Jun 4 15:09:02 web10.c1.internal kernel: BUG: soft lockup - CPU#0 stuck
for 11s! [apache2:22361]
Jun 4 15:09:02 web10.c1.internal kernel: Jun 4 15:09:02
web10.c1.internal kernel: Pid: 22361, comm: apache2 Not tainted
(2.6.24.2-fwsh-byte #2)
Jun 4 15:09:02 web10.c1.internal kernel: EIP: 0060:[<c0147bde>] EFLAGS:
00000246 CPU: 0
Jun 4 15:09:02 web10.c1.internal kernel: EIP is at put_page+0x7/0x20
Jun 4 15:09:02 web10.c1.internal kernel: EAX: 80000028 EBX: 00000010
ECX: 00000010 EDX: c2180ea0
Jun 4 15:09:02 web10.c1.internal kernel: ESI: 00000000 EDI: de5cb870
EBP: 00000000 ESP: d43b7ce8
Jun 4 15:09:02 web10.c1.internal kernel: DS: 007b ES: 007b FS: 00d8 GS:
0033 SS: 0068
Jun 4 15:09:02 web10.c1.internal kernel: CR0: 8005003b CR2: b77f8e04
CR3: 0c78a000 CR4: 000006f0
Jun 4 15:09:02 web10.c1.internal kernel: DR0: 00000000 DR1: 00000000
DR2: 00000000 DR3: 00000000
Jun 4 15:09:02 web10.c1.internal kernel: DR6: ffff0ff0 DR7: 00000400
Jun 4 15:09:02 web10.c1.internal kernel: [<c017c6bc>]
__generic_file_splice_read+0x2c2/0x41e
Jun 4 15:09:02 web10.c1.internal kernel: [<c0113b11>] sched_slice+0x15/0x6f
Jun 4 15:09:02 web10.c1.internal kernel: [<c0110cb8>] read_hpet+0xa/0xd
Jun 4 15:09:02 web10.c1.internal kernel: [<c0131291>]
getnstimeofday+0x31/0x105
Jun 4 15:09:02 web10.c1.internal kernel: [<f905ee38>]
kcs_event+0xb0/0x690 [ipmi_si]
Jun 4 15:09:02 web10.c1.internal kernel: [<c0134301>]
clockevents_program_event+0xbf/0x134
Jun 4 15:09:02 web10.c1.internal kernel: [<f905c07d>]
start_next_msg+0x14/0xa1 [ipmi_si]
Jun 4 15:09:02 web10.c1.internal kernel: [<c0122ed9>]
lock_timer_base+0x27/0x51
Jun 4 15:09:02 web10.c1.internal kernel: [<c0122f83>] __mod_timer+0x80/0x8e
Jun 4 15:09:02 web10.c1.internal kernel: [<f905c9ba>]
smi_timeout+0x0/0xfe [ipmi_si]
Jun 4 15:09:02 web10.c1.internal kernel: [<c0123289>]
run_timer_softirq+0xcf/0x184
Jun 4 15:09:02 web10.c1.internal kernel: [<c012a893>]
__rcu_process_callbacks+0x76/0xbb
Jun 4 15:09:02 web10.c1.internal kernel: [<c011f979>]
tasklet_action+0x53/0x93
Jun 4 15:09:02 web10.c1.internal kernel: [<c011f754>]
__do_softirq+0xba/0xcf
Jun 4 15:09:02 web10.c1.internal kernel: [<c017c88d>]
generic_file_splice_read+0x75/0xc9
Jun 4 15:09:02 web10.c1.internal kernel: [<c01eda5c>]
nfs_file_splice_read+0x67/0x9d
Jun 4 15:09:02 web10.c1.internal kernel: [<c017d083>]
do_splice_to+0x6e/0x90
Jun 4 15:09:02 web10.c1.internal kernel: [<c017d144>]
splice_direct_to_actor+0x9f/0x166
Jun 4 15:09:02 web10.c1.internal kernel: [<c017d20b>]
direct_splice_actor+0x0/0x31
Jun 4 15:09:02 web10.c1.internal kernel: [<c017d2a4>]
do_splice_direct+0x68/0x8b
Jun 4 15:09:02 web10.c1.internal kernel: [<c016141a>]
do_readv_writev+0x130/0x193
Jun 4 15:09:02 web10.c1.internal kernel: [<c01617ff>]
do_sendfile+0x1f5/0x256
Jun 4 15:09:02 web10.c1.internal kernel: [<c01618b8>]
sys_sendfile+0x58/0xa5
Jun 4 15:09:02 web10.c1.internal kernel: [<c0102836>]
sysenter_past_esp+0x5f/0x85
Jun 4 15:09:03 web10.c1.internal kernel: =======================
Jun 4 15:09:14 web10.c1.internal kernel: BUG: soft lockup - CPU#0 stuck
for 11s! [apache2:22361]
Jun 4 15:09:14 web10.c1.internal kernel: Jun 4 15:09:14
web10.c1.internal kernel: Pid: 22361, comm: apache2 Not tainted
(2.6.24.2-fwsh-byte #2)
Jun 4 15:09:14 web10.c1.internal kernel: EIP: 0060:[<c0140967>] EFLAGS:
00000286 CPU: 0
Jun 4 15:09:14 web10.c1.internal kernel: EIP is at
find_get_pages_contig+0x67/0x73
Jun 4 15:09:14 web10.c1.internal kernel: EAX: 00000000 EBX: 00000010
ECX: c1c75e20 EDX: c1c75e20
Jun 4 15:09:14 web10.c1.internal kernel: ESI: 00000010 EDI: de5cb920
EBP: 00000010 ESP: d43b7cd8
Jun 4 15:09:14 web10.c1.internal kernel: DS: 007b ES: 007b FS: 00d8 GS:
0033 SS: 0068
Jun 4 15:09:14 web10.c1.internal kernel: CR0: 8005003b CR2: b77f8e04
CR3: 0c78a000 CR4: 000006f0
Jun 4 15:09:14 web10.c1.internal kernel: DR0: 00000000 DR1: 00000000
DR2: 00000000 DR3: 00000000
Jun 4 15:09:14 web10.c1.internal kernel: DR6: ffff0ff0 DR7: 00000400
Jun 4 15:09:14 web10.c1.internal kernel: [<c017c49c>]
__generic_file_splice_read+0xa2/0x41e
Jun 4 15:09:14 web10.c1.internal kernel: [<c0113b11>] sched_slice+0x15/0x6f
Jun 4 15:09:14 web10.c1.internal kernel: [<c0110cb8>] read_hpet+0xa/0xd
Jun 4 15:09:14 web10.c1.internal kernel: [<c0131291>]
getnstimeofday+0x31/0x105
Jun 4 15:09:14 web10.c1.internal kernel: [<f905ee38>]
kcs_event+0xb0/0x690 [ipmi_si]
Jun 4 15:09:14 web10.c1.internal kernel: [<c0134301>]
clockevents_program_event+0xbf/0x134
Jun 4 15:09:14 web10.c1.internal kernel: [<f905c07d>]
start_next_msg+0x14/0xa1 [ipmi_si]
Jun 4 15:09:14 web10.c1.internal kernel: [<c0122ed9>]
lock_timer_base+0x27/0x51
Jun 4 15:09:14 web10.c1.internal kernel: [<c0122f83>] __mod_timer+0x80/0x8e
Jun 4 15:09:14 web10.c1.internal kernel: [<f905c9ba>]
smi_timeout+0x0/0xfe [ipmi_si]
Jun 4 15:09:14 web10.c1.internal kernel: [<c0123289>]
run_timer_softirq+0xcf/0x184
Jun 4 15:09:14 web10.c1.internal kernel: [<c012a893>]
__rcu_process_callbacks+0x76/0xbb
Jun 4 15:09:14 web10.c1.internal kernel: [<c011f979>]
tasklet_action+0x53/0x93
Jun 4 15:09:14 web10.c1.internal kernel: [<c011f754>]
__do_softirq+0xba/0xcf
Jun 4 15:09:14 web10.c1.internal kernel: [<c017c88d>]
generic_file_splice_read+0x75/0xc9
Jun 4 15:09:14 web10.c1.internal kernel: [<c01eda5c>]
nfs_file_splice_read+0x67/0x9d
Jun 4 15:09:14 web10.c1.internal kernel: [<c017d083>]
do_splice_to+0x6e/0x90
Jun 4 15:09:14 web10.c1.internal kernel: [<c017d144>]
splice_direct_to_actor+0x9f/0x166
Jun 4 15:09:14 web10.c1.internal kernel: [<c017d20b>]
direct_splice_actor+0x0/0x31
Jun 4 15:09:14 web10.c1.internal kernel: [<c017d2a4>]
do_splice_direct+0x68/0x8b
Jun 4 15:09:14 web10.c1.internal kernel: [<c016141a>]
do_readv_writev+0x130/0x193
Jun 4 15:09:14 web10.c1.internal kernel: [<c01617ff>]
do_sendfile+0x1f5/0x256
Jun 4 15:09:14 web10.c1.internal kernel: [<c01618b8>]
sys_sendfile+0x58/0xa5
Jun 4 15:09:14 web10.c1.internal kernel: [<c0102836>]
sysenter_past_esp+0x5f/0x85
Jun 4 15:09:15 web10.c1.internal kernel: =======================
Jun 4 15:09:27 web10.c1.internal kernel: BUG: soft lockup - CPU#0 stuck
for 11s! [apache2:22361]
Jun 4 15:09:27 web10.c1.internal kernel: Jun 4 15:09:27
web10.c1.internal kernel: Pid: 22361, comm: apache2 Not tainted
(2.6.24.2-fwsh-byte #2)
Jun 4 15:09:27 web10.c1.internal kernel: EIP: 0060:[<c0140967>] EFLAGS:
00000286 CPU: 0
Jun 4 15:09:27 web10.c1.internal kernel: EIP is at
find_get_pages_contig+0x67/0x73
Jun 4 15:09:27 web10.c1.internal kernel: EAX: 00000000 EBX: 00000010
ECX: c1c75e20 EDX: c1c75e20
Jun 4 15:09:27 web10.c1.internal kernel: ESI: 00000010 EDI: de5cb920
EBP: 00000010 ESP: d43b7cd8
Jun 4 15:09:27 web10.c1.internal kernel: DS: 007b ES: 007b FS: 00d8 GS:
0033 SS: 0068
Jun 4 15:09:27 web10.c1.internal kernel: CR0: 8005003b CR2: b77f8e04
CR3: 0c78a000 CR4: 000006f0
Jun 4 15:09:27 web10.c1.internal kernel: DR0: 00000000 DR1: 00000000
DR2: 00000000 DR3: 00000000
Jun 4 15:09:27 web10.c1.internal kernel: DR6: ffff0ff0 DR7: 00000400
Jun 4 15:09:27 web10.c1.internal kernel: [<c017c49c>]
__generic_file_splice_read+0xa2/0x41e
Jun 4 15:09:27 web10.c1.internal kernel: [<c0132efc>]
clocksource_get_next+0x3a/0x40
Jun 4 15:09:27 web10.c1.internal kernel: [<c01315cb>]
change_clocksource+0xc/0x205
Jun 4 15:09:27 web10.c1.internal kernel: [<c0113b11>] sched_slice+0x15/0x6f
Jun 4 15:09:27 web10.c1.internal kernel: [<c0110cb8>] read_hpet+0xa/0xd
Jun 4 15:09:27 web10.c1.internal kernel: [<c0131291>]
getnstimeofday+0x31/0x105
Jun 4 15:09:27 web10.c1.internal kernel: [<f905ee38>]
kcs_event+0xb0/0x690 [ipmi_si]
Jun 4 15:09:27 web10.c1.internal kernel: [<c0134301>]
clockevents_program_event+0xbf/0x134
Jun 4 15:09:27 web10.c1.internal kernel: [<f905c07d>]
start_next_msg+0x14/0xa1 [ipmi_si]
Jun 4 15:09:27 web10.c1.internal kernel: [<c0122ed9>]
lock_timer_base+0x27/0x51
Jun 4 15:09:27 web10.c1.internal kernel: [<c0122f83>] __mod_timer+0x80/0x8e
Jun 4 15:09:27 web10.c1.internal kernel: [<f905c9ba>]
smi_timeout+0x0/0xfe [ipmi_si]
Jun 4 15:09:27 web10.c1.internal kernel: [<c0123289>]
run_timer_softirq+0xcf/0x184
Jun 4 15:09:27 web10.c1.internal kernel: [<c012a893>]
__rcu_process_callbacks+0x76/0xbb
Jun 4 15:09:27 web10.c1.internal kernel: [<c011f979>]
tasklet_action+0x53/0x93
Jun 4 15:09:27 web10.c1.internal kernel: [<c011f754>]
__do_softirq+0xba/0xcf
Jun 4 15:09:27 web10.c1.internal kernel: [<c017c88d>]
generic_file_splice_read+0x75/0xc9
Jun 4 15:09:27 web10.c1.internal kernel: [<c01eda5c>]
nfs_file_splice_read+0x67/0x9d
Jun 4 15:09:27 web10.c1.internal kernel: [<c017d083>]
do_splice_to+0x6e/0x90
Jun 4 15:09:27 web10.c1.internal kernel: [<c017d144>]
splice_direct_to_actor+0x9f/0x166
Jun 4 15:09:27 web10.c1.internal kernel: [<c017d20b>]
direct_splice_actor+0x0/0x31
Jun 4 15:09:27 web10.c1.internal kernel: [<c017d2a4>]
do_splice_direct+0x68/0x8b
Jun 4 15:09:27 web10.c1.internal kernel: [<c016141a>]
do_readv_writev+0x130/0x193
Jun 4 15:09:27 web10.c1.internal kernel: [<c01617ff>]
do_sendfile+0x1f5/0x256
Jun 4 15:09:27 web10.c1.internal kernel: [<c01618b8>]
sys_sendfile+0x58/0xa5
Jun 4 15:09:27 web10.c1.internal kernel: [<c0102836>]
sysenter_past_esp+0x5f/0x85
Jun 4 15:09:27 web10.c1.internal kernel: =======================
next prev parent reply other threads:[~2008-06-05 6:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-04 14:48 file_splice_read problem in 2.6.24.2? Tristan Linnenbank
2008-06-04 16:36 ` Jens Axboe
2008-06-05 6:59 ` Tristan Linnenbank [this message]
2008-06-05 7:03 ` Jens Axboe
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