From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265467AbUFWLqK (ORCPT ); Wed, 23 Jun 2004 07:46:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266384AbUFWLqK (ORCPT ); Wed, 23 Jun 2004 07:46:10 -0400 Received: from 8.75.30.213.rev.vodafone.pt ([213.30.75.8]:41478 "EHLO odie.graycell.biz") by vger.kernel.org with ESMTP id S265467AbUFWLo7 (ORCPT ); Wed, 23 Jun 2004 07:44:59 -0400 Subject: Re: Process hangs copying large file to cifs filesystem From: Nuno Ferreira To: Jens Axboe Cc: Linux Kernel In-Reply-To: <1085760260.2422.11.camel@taz.graycell.biz> References: <1085672706.4350.9.camel@taz.graycell.biz> <1085753249.2219.13.camel@taz.graycell.biz> <20040528142239.GK20657@suse.de> <1085760260.2422.11.camel@taz.graycell.biz> Content-Type: text/plain Organization: Graycell Date: Wed, 23 Jun 2004 12:44:54 +0100 Message-Id: <1087991095.2406.7.camel@taz.graycell.biz> Mime-Version: 1.0 X-Mailer: Evolution 1.5.9.1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 23 Jun 2004 11:44:55.0050 (UTC) FILETIME=[80A2F6A0:01C45917] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sex, 2004-05-28 at 17:04 +0100, Nuno Ferreira wrote: > On Sex, 2004-05-28 at 16:22 +0200, Jens Axboe wrote: > > On Fri, May 28 2004, Nuno Ferreira wrote: > > > On Qui, 2004-05-27 at 16:45 +0100, Nuno Ferreira wrote: > > > > Hi, > > > > I'm trying to copy a large file (200Mb or bigger) from an ext3 > > > > filesystem to a windows share mounted using CIFS and the cp process > > > > hangs, sometimes for a long time (several minutes). > > > > Calling ps, I can see that it's blocking on blk_congestion_wait. > [...] > > > > A sysrq-t back trace of that process would be interesting to see. Hi, I retested this using 2.6.7 and still have the same problem. This is copying a 197Mb from an my laptop's IDE hardisk to a cifs mounted share that's on a Win2000 Server. The laptop has 512Mb. Here's an lspci: 0000:00:00.0 Host bridge: ATI Technologies Inc AGP Bridge [IGP 320M] (rev 13) 0000:00:01.0 PCI bridge: ATI Technologies Inc PCI Bridge [IGP 320M] (rev 01) 0000:00:02.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03) 0000:00:07.0 ISA bridge: ALi Corporation M1533 PCI to ISA Bridge [Aladdin IV] 0000:00:08.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link Controller Audio Device (rev 02) 0000:00:0a.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller (rev 02) 0000:00:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 20) 0000:00:0c.0 Communication controller: Conexant HSF 56k HSFi Modem (rev 01) 0000:00:0f.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03) 0000:00:10.0 IDE interface: ALi Corporation M5229 IDE (rev c4) 0000:00:11.0 Bridge: ALi Corporation M7101 PMU 0000:01:05.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility U1 I used netconsole to catch the sysrq-t output, it's attached. Note that besides the cp process there is a vi process that also froze. SysRq : Show State sibling task PC pid father child younger older init S 00000000 0 1 0 2 (NOTLB) ddfc2eb8 00000082 dd556880 00000000 00000001 c0131541 72c2ee54 ddd0b050 ddfdcb60 00000001 00000001 00000000 2dd8b700 000f4264 ddeef7d8 00027284 ddfc2ecc 0000000b 0000000b c028dae0 ddcf5c54 c013159f 00000000 c0385358 Call Trace: [] __alloc_pages+0x2c1/0x300 [] schedule_timeout+0x60/0xc0 [] __get_free_pages+0x1f/0x40 [] process_timeout+0x0/0x10 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] sys_select+0x2ae/0x480 [] syscall_call+0x7/0xb ksoftirqd/0 S DDFBFFCC 0 2 1 3 (L-TLB) ddfbffc0 00000046 ddeef0b0 ddfbffcc c028d59c 00000001 ddfc2f94 ddfbffb8 c01156d7 00000010 dd4b3710 00000000 c2706080 000f4263 ddeef258 00000000 ddfbf000 00000000 c011b520 c011b5a0 ddfbf000 ddfc2f90 c0126e04 fffffffc Call Trace: [] schedule+0x25c/0x410 [] __wake_up_common+0x37/0x60 [] ksoftirqd+0x0/0xa0 [] ksoftirqd+0x80/0xa0 [] kthread+0x94/0xa0 [] kthread+0x0/0xa0 [] kernel_thread_helper+0x5/0x18 events/0 S 00000000 0 3 1 4 22 2 (L-TLB) ddfbdf54 00000046 00000003 00000000 00000282 c0390d38 ddfdbc70 00000001 00000003 00000000 00000086 00000000 df966c80 000f4264 ddeeecd8 00000296 ddfdbc58 ddfdbc68 ddfbdfa0 c0124145 00000000 ddfbdf84 c0114cfb ddfdbc70 Call Trace: [] worker_thread+0x1d5/0x200 [] recalc_task_prio+0x8b/0x180 [] console_callback+0x0/0xd0 [] default_wake_function+0x0/0x10 [] __wake_up_common+0x37/0x60 [] default_wake_function+0x0/0x10 [] worker_thread+0x0/0x200 [] kthread+0x94/0xa0 [] kthread+0x0/0xa0 [] kernel_thread_helper+0x5/0x18 khelper S 00000000 0 4 3 5 (L-TLB) ddfb4f54 00000046 00000000 00000000 0000007b 0000007b ddfdbbf0 00000001 00000003 00000000 dcbc2210 00000000 79736c80 000f4234 ddeee758 00000202 ddfdbbd8 ddfdbbe8 ddfb4fa0 c0124145 00000000 c0114e4a c037b3e0 ddfdbbf0 Call Trace: [] worker_thread+0x1d5/0x200 [] activate_task+0x5a/0x70 [] __call_usermodehelper+0x0/0x50 [] default_wake_function+0x0/0x10 [] __wake_up_common+0x37/0x60 [] default_wake_function+0x0/0x10 [] worker_thread+0x0/0x200 [] kthread+0x94/0xa0 [] kthread+0x0/0xa0 [] kernel_thread_helper+0x5/0x18 kacpid S DDF7B9E0 0 5 3 21 4 (L-TLB) c13e3f54 00000046 00000000 ddf7b9e0 c01b5241 00000282 ddfdba70 00000001 6a847440 000f4242 dd4b2110 00000000 6a847440 000f4242 ddeee1d8 00000292 ddfdba58 ddfdba68 c13e3fa0 c0124145 00000000 c0114e4a c037b3e0 ddfdba70 Call Trace: [] acpi_enable_gpe+0x65/0x6c [] worker_thread+0x1d5/0x200 [] activate_task+0x5a/0x70 [] acpi_os_execute_deferred+0x0/0x16 [] default_wake_function+0x0/0x10 [] __wake_up_common+0x37/0x60 [] default_wake_function+0x0/0x10 [] worker_thread+0x0/0x200 [] kthread+0x94/0xa0 [] kthread+0x0/0xa0 [] kernel_thread_helper+0x5/0x18 kblockd/0 S C03931AC 0 21 3 32 5 (L-TLB) ddf72f54 00000046 00000001 c03931ac c0393100 ddfd63d8 c13e4970 00000001 00000003 00000000 00000086 00000000 39666cc0 000f425f ddd677f8 00000286 c13e4958 c13e4968 ddf72fa0 c0124145 00000000 c0114e4a c037b3e0 c13e4970 Call Trace: [] worker_thread+0x1d5/0x200 [] activate_task+0x5a/0x70 [] blk_unplug_work+0x0/0x10 [] default_wake_function+0x0/0x10 [] __wake_up_common+0x37/0x60 [] default_wake_function+0x0/0x10 [] worker_thread+0x0/0x200 [] kthread+0x94/0xa0 [] kthread+0x0/0xa0 [] kernel_thread_helper+0x5/0x18 khubd S 00000002 0 22 1 34 3 (L-TLB) ddd63fb4 00000046 00000002 00000002 ddfd96b8 ddd0d400 00000202 ddd63fa6 c0120bdc ddd63000 dcf9a190 00000000 75f2b9c0 000f41fe ddd67278 ddd63000 fffff000 ddd63fc0 ddd63000 c0217875 c02afd47 00000000 ddd670d0 c0115690 Call Trace: [] sigprocmask+0x4c/0xc0 [] hub_thread+0xb5/0xe0 [] default_wake_function+0x0/0x10 [] hub_thread+0x0/0xe0 [] kernel_thread_helper+0x5/0x18 pdflush S 00000000 0 32 3 35 21 (L-TLB) ddd60f94 00000046 00001de6 00000000 00000000 00000000 00000000 00000400 00000000 00000001 dc99ad90 00000000 752ec780 000f4240 ddd66cf8 ddd60fbc ddd60fb0 ddd60000 c0132e60 c0132d6e ddd60000 ddd60000 ddfc2f84 00000000 Call Trace: [] pdflush+0x0/0x20 [] __pdflush+0x6e/0x160 [] pdflush+0x1a/0x20 [] pdflush+0x0/0x20 [] kthread+0x94/0xa0 [] kthread+0x0/0xa0 [] kernel_thread_helper+0x5/0x18 aio/0 S 00000000 0 35 3 2242 32 (L-TLB) ddd4ff54 00000046 00000000 00000000 00000000 00000000 00000000 00010000 55c0fbc0 000f41fa ddeee5b0 00000000 55c0fbc0 000f41fa ddd25818 ddd4f000 c13e5658 c13e5668 ddd4ffa0 c0124145 ddd4ff74 c0114e4a c037b3e0 00000000 Call Trace: [] worker_thread+0x1d5/0x200 [] activate_task+0x5a/0x70 [] default_wake_function+0x0/0x10 [] __wake_up_common+0x37/0x60 [] default_wake_function+0x0/0x10 [] worker_thread+0x0/0x200 [] kthread+0x94/0xa0 [] kthread+0x0/0xa0 [] kernel_thread_helper+0x5/0x18 kswapd0 S 00000000 0 34 1 118 22 (L-TLB) ddd57f8c 00000046 c0124814 00000000 ddd66050 00000000 00000000 00000000 c0120bdc ddd57000 ddeef630 00000000 52890240 000f41fa ddd661f8 ddd57000 c02da4dc ddd57fc0 c02da120 c0137fac c02a1884 00000000 00000000 00000000 Call Trace: [] attach_pid+0x24/0xe0 [] sigprocmask+0x4c/0xc0 [] kswapd+0xac/0xd0 [] autoremove_wake_function+0x0/0x50 [] autoremove_wake_function+0x0/0x50 [] kswapd+0x0/0xd0 [] kernel_thread_helper+0x5/0x18 kseriod S 00000000 0 118 1 124 34 (L-TLB) ddd18fb4 00000046 c0124814 00000000 ddd250f0 00000000 00000000 00000000 c0120bdc ddd18000 ddeef630 00000000 415efa00 000f41fb ddd25298 ddd18000 fffff000 ddd18fc0 ddd18000 c02282e5 c02b06a4 00000000 ddd250f0 c0115690 Call Trace: [] attach_pid+0x24/0xe0 [] sigprocmask+0x4c/0xc0 [] serio_thread+0xb5/0xf0 [] default_wake_function+0x0/0x10 [] serio_thread+0x0/0xf0 [] kernel_thread_helper+0x5/0x18 kjournald S DDD09F50 0 124 1 834 118 (L-TLB) ddd09f68 00000046 ddfd99fc ddd09f50 c01156d7 00000000 ddfd99fc 00000001 00000003 00000000 dd5d76d0 00000000 3938a600 000f425f ddd24d18 ddfd99b8 00000000 00000001 ddfd9a0c c0184e7f 00000000 00000005 ddfd99fc ddeee5b0 Call Trace: [] __wake_up_common+0x37/0x60 [] kjournald+0x1df/0x1f0 [] autoremove_wake_function+0x0/0x50 [] autoremove_wake_function+0x0/0x50 [] ret_from_fork+0x6/0x14 [] commit_timeout+0x0/0x10 [] kjournald+0x0/0x1f0 [] kernel_thread_helper+0x5/0x18 pccardd S DD12E050 0 834 1 1112 124 (L-TLB) dd191f84 00000046 c028dae9 dd12e050 dd12e2a0 c01709de 00100100 00200200 940dd836 000f41fe ddeef0b0 00000000 957aa000 000f41fe dd1702d8 00000000 dd25cc2c dd25cd90 dd191000 de921b4e de9243db c0120bdc dd25cdb0 dd25cdc8 Call Trace: [] schedule_timeout+0x69/0xc0 [] sysfs_create_link+0x7e/0x90 [] pccardd+0x16e/0x1d0 [pcmcia_core] [] sigprocmask+0x4c/0xc0 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] pccardd+0x0/0x1d0 [pcmcia_core] [] kernel_thread_helper+0x5/0x18 dhclient3 S 00000000 0 1112 1 1120 834 (NOTLB) dcdf6eb8 00000082 dce661a0 00000000 00000001 c0131541 dca2b5c0 dceb5000 dca2b000 dceb55c0 00000001 00000000 06500300 000f4200 dd0de878 008f5c1c dcdf6ecc 00000006 00000006 c028dae0 ddfb5058 c013159f 00000000 c0385608 Call Trace: [] __alloc_pages+0x2c1/0x300 [] schedule_timeout+0x60/0xc0 [] __get_free_pages+0x1f/0x40 [] process_timeout+0x0/0x10 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] sys_select+0x2ae/0x480 [] sys_gettimeofday+0x2c/0x70 [] syscall_call+0x7/0xb portmap S 00000001 0 1120 1 1291 1112 (NOTLB) dd0cbf24 00000082 dd0e8400 00000001 dd0dec50 00000010 c02da48c 00000000 000000d0 dd0cbf40 dc99b890 00000000 e8194d80 000f4202 dd0dedf8 00000000 7fffffff 7fffffff dd0cb000 c028db31 c031ea20 dd157bd8 dcdd0e20 00000001 Call Trace: [] schedule_timeout+0xb1/0xc0 [] sock_poll+0x12/0x20 [] do_pollfd+0x52/0x90 [] do_poll+0x94/0xc0 [] sys_poll+0x12f/0x220 [] __pollwait+0x0/0xc0 [] filp_close+0x4f/0x80 [] syscall_call+0x7/0xb syslogd D DDD28D90 0 1291 1 1679 1120 (NOTLB) dd859c90 00000082 00000000 ddd28d90 00000000 dd859d34 00000003 00000000 00000000 00000000 dd5d76d0 00000000 dbd51ec0 000f4264 dcf9a338 00026ac7 dd859ca4 dd859cf8 dd859cd0 c028dae0 d252d41c c0180f73 00000000 d67becd4 Call Trace: [] schedule_timeout+0x60/0xc0 [] journal_get_write_access+0x33/0x50 [] process_timeout+0x0/0x10 [] io_schedule_timeout+0xe/0x50 [] blk_congestion_wait+0x72/0x90 [] autoremove_wake_function+0x0/0x50 [] sync_sb_inodes+0x1bc/0x270 [] autoremove_wake_function+0x0/0x50 [] get_dirty_limits+0x12/0xd0 [] balance_dirty_pages+0xbd/0x110 [] generic_file_aio_write_nolock+0x3ed/0x980 [] unix_dgram_recvmsg+0x13b/0x1e0 [] opost_block+0xc4/0x170 [] generic_file_write_nolock+0x5f/0x80 [] sockfd_lookup+0x16/0x80 [] sys_recvfrom+0xeb/0x100 [] __get_free_pages+0x1f/0x40 [] __pollwait+0x7f/0xc0 [] poll_freewait+0x3a/0x50 [] do_select+0x192/0x2a0 [] generic_file_writev+0x39/0x60 [] generic_file_writev+0x0/0x60 [] do_readv_writev+0x1d3/0x220 [] do_sync_write+0x0/0xb0 [] sys_socketcall+0x150/0x250 [] vfs_writev+0x49/0x60 [] sys_writev+0x38/0x60 [] syscall_call+0x7/0xb klogd S DD50E000 0 1679 1 1685 1291 (NOTLB) dd50edc8 00000086 dd6da610 dd50e000 c02d82a4 00001000 dd1486c4 400026c4 2a9a8a80 000f4239 dc99ad90 00000000 61d4a9c0 000f424a dd6da7b8 dd36fe00 7fffffff dd36ff50 dd50ee28 c028db31 61d4a9c0 dd50edec c0114e4a c037b3e0 Call Trace: [] schedule_timeout+0xb1/0xc0 [] activate_task+0x5a/0x70 [] unix_wait_for_peer+0x8b/0xb0 [] autoremove_wake_function+0x0/0x50 [] autoremove_wake_function+0x0/0x50 [] memcpy_fromiovec+0x29/0x50 [] unix_dgram_sendmsg+0x333/0x450 [] sock_aio_write+0xad/0xd0 [] do_sync_write+0x6f/0xb0 [] recalc_task_prio+0x8b/0x180 [] default_wake_function+0x0/0x10 [] vfs_write+0xd7/0x100 [] sys_write+0x38/0x60 [] syscall_call+0x7/0xb dnsmasq S 00000000 0 1685 1 1794 1679 (NOTLB) dccffeb8 00000082 dd2adec0 00000000 00000001 c0131541 00000246 00000000 c02300c6 00000000 dd564670 00000000 1302a200 000f4201 dd1718d8 00000000 7fffffff 00000004 00000004 c028db31 dcf5fa18 c013159f 00000000 c015556f Call Trace: [] __alloc_pages+0x2c1/0x300 [] sockfd_lookup+0x16/0x80 [] schedule_timeout+0xb1/0xc0 [] __get_free_pages+0x1f/0x40 [] __pollwait+0x7f/0xc0 [] datagram_poll+0x12/0xb0 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] sys_select+0x2ae/0x480 [] sys_rt_sigaction+0x6f/0xa0 [] sys_rt_sigprocmask+0x76/0xb0 [] syscall_call+0x7/0xb acpid S 00000000 0 1794 1 1822 1685 (NOTLB) dca72f24 00000082 dd8c1440 00000000 c013ab5e 00000001 dcc44cf0 00000010 c02da48c 00000000 000000d0 000f4240 8a28f3c0 000f4201 dcc44e98 00000000 7fffffff 7fffffff dca72000 c028db31 dd3e37d8 c0285fb2 c031ff60 dd3e37d8 Call Trace: [] handle_mm_fault+0xbe/0x120 [] schedule_timeout+0xb1/0xc0 [] unix_poll+0x12/0x90 [] sock_poll+0x12/0x20 [] do_pollfd+0x52/0x90 [] do_poll+0x94/0xc0 [] sys_poll+0x12f/0x220 [] __pollwait+0x0/0xc0 [] syscall_call+0x7/0xb cupsd S C0131541 0 1822 1 1846 1794 (NOTLB) dd571eb8 00000082 00000001 c0131541 dc26ef34 00000000 dd571ed8 dc26eecc 00000001 dcc44770 00000010 00000000 9e7e5440 000f4261 dcc44918 0002a169 dd571ecc 00000004 00000004 c028dae0 00000000 c015556f c031ea20 c0385418 Call Trace: [] __alloc_pages+0x2c1/0x300 [] schedule_timeout+0x60/0xc0 [] __pollwait+0x7f/0xc0 [] process_timeout+0x0/0x10 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] __copy_to_user_ll+0x3a/0x60 [] sys_select+0x2ae/0x480 [] sys_time+0x16/0x50 [] syscall_call+0x7/0xb exim3 S C0131541 0 1846 1 1855 1822 (NOTLB) dcbe8eb8 00000086 00000001 c0131541 00000086 c02da314 00000001 00000000 00000001 dd565170 00000010 000f4240 ca4be880 000f4202 dd565318 00000000 7fffffff 00000002 00000002 c028db31 00000000 c015556f c031ea20 00000246 Call Trace: [] __alloc_pages+0x2c1/0x300 [] schedule_timeout+0xb1/0xc0 [] __pollwait+0x7f/0xc0 [] tcp_poll+0x1a/0x140 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] sys_select+0x2ae/0x480 [] sys_rt_sigaction+0x8d/0xa0 [] syscall_call+0x7/0xb famd S C0131541 0 1855 1 1859 1846 (NOTLB) dd60feb8 00000082 00000001 c0131541 00000011 c137fd60 c012ea4e 00000020 00000001 dc99b890 00000010 00000000 e8194d80 000f4202 dc99ba38 00000000 7fffffff 00000004 00000004 c028db31 00000000 c015556f c031ea20 00000246 Call Trace: [] __alloc_pages+0x2c1/0x300 [] filemap_nopage+0x1be/0x2f0 [] schedule_timeout+0xb1/0xc0 [] __pollwait+0x7f/0xc0 [] tcp_poll+0x1a/0x140 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] sk_free+0x66/0xd0 [] sys_select+0x2ae/0x480 [] syscall_call+0x7/0xb gpm S C02DA244 0 1859 1 1864 1855 (NOTLB) dcca7eb8 00000086 00000000 c02da244 dd556b00 00000000 00000001 c0131541 19e75fc0 000f4215 dd6880b0 00000000 e1c4ccc0 000f4239 dd4b3338 0525f55b dcca7ecc 00000003 00000003 c028dae0 dd556b00 dcca7f4c c0397b5c c03857d0 Call Trace: [] __alloc_pages+0x2c1/0x300 [] schedule_timeout+0x60/0xc0 [] process_timeout+0x0/0x10 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] dentry_open+0xc5/0x1a0 [] sys_select+0x2ae/0x480 [] sys_time+0x16/0x50 [] syscall_call+0x7/0xb inetd S C0131541 0 1864 1 1903 1859 (NOTLB) dd6d4eb8 00000086 00000001 c0131541 dd2cfc40 c13ae660 c012ea4e dd6d4ed8 00000001 dd5d6bd0 dd04c170 000f4240 ef8ca6c0 000f4202 dd5d6d78 00000000 7fffffff 00000005 00000005 c028db31 00000000 c015556f c031ea20 00000246 Call Trace: [] __alloc_pages+0x2c1/0x300 [] filemap_nopage+0x1be/0x2f0 [] schedule_timeout+0xb1/0xc0 [] __pollwait+0x7f/0xc0 [] tcp_poll+0x1a/0x140 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] sys_select+0x2ae/0x480 [] sys_rt_sigaction+0x6f/0xa0 [] syscall_call+0x7/0xb racoon S 00000000 0 1903 1 1913 1864 (NOTLB) dc80deb8 00000082 dd556d80 00000000 00000001 c0131541 c012ea4e c02300c6 00000000 dc80d000 00000001 00000000 6bf26080 000f4260 dd6db2b8 00026e12 dc80decc 00000009 00000009 c028dae0 dbf94e58 c013159f 00000000 dd0e84c4 Call Trace: [] __alloc_pages+0x2c1/0x300 [] filemap_nopage+0x1be/0x2f0 [] sockfd_lookup+0x16/0x80 [] schedule_timeout+0x60/0xc0 [] __get_free_pages+0x1f/0x40 [] process_timeout+0x0/0x10 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] sys_select+0x2ae/0x480 [] sys_time+0x16/0x50 [] syscall_call+0x7/0xb sshd S C0131541 0 1913 1 1920 1903 (NOTLB) dc83beb8 00000086 00000001 c0131541 dc0c14b4 00000000 dc83bed8 dc0c144c 00000001 dcbc3810 00000010 000f4240 1e755180 000f4203 dcbc39b8 00000000 7fffffff 00000004 00000004 c028db31 00000000 c015556f c031ea20 00000246 Call Trace: [] __alloc_pages+0x2c1/0x300 [] schedule_timeout+0xb1/0xc0 [] __pollwait+0x7f/0xc0 [] tcp_poll+0x1a/0x140 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] sys_select+0x2ae/0x480 [] syscall_call+0x7/0xb ntpd S 00000000 0 1920 1 1925 1913 (NOTLB) dcb04eb8 00000082 dd397100 00000000 00000001 c0131541 bffffa30 ffff037f ffff0320 ffffffff 00000001 00000000 a63f7800 000f4264 dd4b2838 00000000 7fffffff 00000007 00000007 c028db31 dbf94358 c013159f 00000000 c015556f Call Trace: [] __alloc_pages+0x2c1/0x300 [] schedule_timeout+0xb1/0xc0 [] __get_free_pages+0x1f/0x40 [] __pollwait+0x7f/0xc0 [] datagram_poll+0x12/0xb0 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] convert_fxsr_from_user+0x15/0xe0 [] sys_select+0x2ae/0x480 [] syscall_call+0x7/0xb atd S 00000000 0 1925 1 1928 1920 (NOTLB) dcc21f5c 00000086 00000000 00000000 c01552b0 dcc21fa0 dd31fc40 00030002 00000000 3f67b028 00000000 00000000 43e3d680 000f4203 dd6887d8 0032f5af dcc21f70 000f41a7 00000e10 c028dae0 00000000 00000000 4487bebc c03855e0 Call Trace: [] filldir64+0x0/0xe0 [] schedule_timeout+0x60/0xc0 [] process_timeout+0x0/0x10 [] sys_nanosleep+0xce/0x150 [] syscall_call+0x7/0xb cron S 00000000 0 1928 1 1933 1925 (NOTLB) dd817f5c 00000086 00000000 00000000 000001fd 00000000 00001000 00000008 00000000 409230c8 00000000 00000000 c7dc6d80 000f4262 dd689858 000331f1 dd817f70 000f41a7 0000003c c028dae0 00000000 00000000 4487bebc c0399e80 Call Trace: [] schedule_timeout+0x60/0xc0 [] process_timeout+0x0/0x10 [] sys_nanosleep+0xce/0x150 [] syscall_call+0x7/0xb gdm S 00000001 0 1933 1 1934 2044 1928 (NOTLB) dd120f24 00000086 00000000 00000001 dd689130 00000010 c02da48c 00000000 000000d0 c011fe3a dd0df1d0 00000000 056e9f80 000f4207 dd6892d8 00000000 7fffffff 7fffffff dd120000 c028db31 dd120fa0 c0150562 00000145 dd157f60 Call Trace: [] __group_send_sig_info+0x8a/0xc0 [] schedule_timeout+0xb1/0xc0 [] pipe_poll+0x32/0x90 [] do_pollfd+0x52/0x90 [] do_poll+0x94/0xc0 [] sys_poll+0x12f/0x220 [] __pollwait+0x0/0xc0 [] syscall_call+0x7/0xb gdm S DA643DA4 0 1934 1933 2043 (NOTLB) dcac4eec 00000086 db67b708 da643da4 401c6df6 c013a86e dd1b2080 00000001 080a5014 c02dce60 00000000 00000000 580bcdc0 000f4208 dd0df378 db4480a8 db448040 dcac4f14 00000000 c014feb9 00000000 dd0df1d0 c0116470 dcac4f20 Call Trace: [] do_no_page+0x14e/0x290 [] pipe_wait+0x79/0xa0 [] autoremove_wake_function+0x0/0x50 [] inode_update_time+0xbb/0xc0 [] autoremove_wake_function+0x0/0x50 [] pipe_readv+0x194/0x280 [] pipe_read+0x20/0x30 [] vfs_read+0xb0/0x100 [] sys_read+0x38/0x60 [] syscall_call+0x7/0xb XFree86 S 00000000 0 2043 1934 2219 (NOTLB) dcae9eb8 00000086 dd2ada60 00000000 00000001 c0131541 bffff360 ffff037f ffff0020 ffffffff 00000001 00000000 ce99ab40 000f4264 ddd24218 00069de5 dcae9ecc 0000000b 0000000b c028dae0 dbc5cd18 c013159f 00000000 c0385498 Call Trace: [] __alloc_pages+0x2c1/0x300 [] schedule_timeout+0x60/0xc0 [] __get_free_pages+0x1f/0x40 [] process_timeout+0x0/0x10 [] do_select+0x16d/0x2a0 [] __pollwait+0x0/0xc0 [] convert_fxsr_from_user+0x15/0xe0 [] sys_select+0x2ae/0x480 [] sys_gettimeofday+0x2c/0x70 [] syscall_call+0x7/0xb bash S DD31E1C8 0 2044 1 2259 2045 1933 (NOTLB) dd8c9f48 00000086 dd51a2c0 dd31e1c8 dcbc2d10 c0113f14 00000001 c0124814 00000001 080ed408 dd5d76d0 00000000 095f1f80 000f4247 dcbc2eb8 fffffe00 dcbc2d10 dcbc2da8 dcbc2da8 c011a3da dd8c9f70 dd8c9000 00000001 00000000 Call Trace: [] do_page_fault+0x114/0x4cc [] attach_pid+0x24/0xe0 [] sys_wait4+0x17a/0x230 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] copy_to_user+0x32/0x50 [] sys_waitpid+0x27/0x2b [] syscall_call+0x7/0xb bash S DCF34804 0 2045 1 2254 2046 2044 (NOTLB) db69af48 00000082 dd5e26a0 dcf34804 dd6db690 c0113f14 00000001 c0124814 00000001 0810d268 dc99ad90 00000000 2d7a74c0 000f4240 dd6db838 fffffe00 dd6db690 dd6db728 dd6db728 c011a3da db69af70 db69a000 00000001 00000000 Call Trace: [] do_page_fault+0x114/0x4cc [] attach_pid+0x24/0xe0 [] sys_wait4+0x17a/0x230 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] copy_to_user+0x32/0x50 [] sys_waitpid+0x27/0x2b [] syscall_call+0x7/0xb getty S 00000000 0 2046 1 2056 2045 (NOTLB) db728e88 00000086 00000000 00000000 ddd6b200 db728e90 dce926a0 c0390d80 0804ad78 00000282 ddfe5600 00000000 232b4300 000f4204 dd170858 db689000 7fffffff db728f20 db728000 c028db31 00000001 00000000 0000b98c db7261f6 Call Trace: [] schedule_timeout+0xb1/0xc0 [] read_chan+0x5d7/0x760 [] con_write+0x24/0x40 [] write_chan+0x17c/0x230 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] tty_read+0xc8/0xf0 [] write_chan+0x0/0x230 [] vfs_read+0xb0/0x100 [] do_munmap+0xed/0x120 [] sys_read+0x38/0x60 [] syscall_call+0x7/0xb getty S 00000000 0 2056 1 2057 2046 (NOTLB) db6fbe88 00000082 00000000 00000000 ddd6ba00 db6fbe90 dce926a0 c0390d80 0804ad78 00000282 ddfe5600 00000000 23d31bc0 000f4204 ddd24798 db63e000 7fffffff db6fbf20 db6fb000 c028db31 00000000 00001000 00001000 dca8b1f6 Call Trace: [] schedule_timeout+0xb1/0xc0 [] read_chan+0x5d7/0x760 [] con_write+0x24/0x40 [] write_chan+0x17c/0x230 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] tty_read+0xc8/0xf0 [] write_chan+0x0/0x230 [] vfs_read+0xb0/0x100 [] do_munmap+0xed/0x120 [] sys_read+0x38/0x60 [] syscall_call+0x7/0xb getty S 00000000 0 2057 1 2182 2056 (NOTLB) db75de88 00000082 00000000 00000000 ddd6be00 db75de90 dcdd04c0 c0390d80 0804ad7e 00000282 ddfe5600 00000000 83d90480 000f4204 dc99a438 db83f000 7fffffff db75df20 db75d000 c028db31 00000000 00001000 00008000 db6811f6 Call Trace: [] schedule_timeout+0xb1/0xc0 [] read_chan+0x5d7/0x760 [] con_write+0x24/0x40 [] write_chan+0x17c/0x230 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] tty_read+0xc8/0xf0 [] write_chan+0x0/0x230 [] vfs_read+0xb0/0x100 [] do_munmap+0xed/0x120 [] sys_read+0x38/0x60 [] syscall_call+0x7/0xb getty S 00000000 0 2182 1 2220 2057 (NOTLB) db6abe88 00000086 00000000 00000000 ddd6b800 db6abe90 dcfec920 c0390d80 0804ad78 00000282 ddfe5600 00000000 78e26600 000f4206 dd171358 dbbe6000 7fffffff db6abf20 db6ab000 c028db31 00000000 00001000 00001000 db6cb1f6 Call Trace: [] schedule_timeout+0xb1/0xc0 [] read_chan+0x5d7/0x760 [] con_write+0x24/0x40 [] write_chan+0x17c/0x230 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] tty_read+0xc8/0xf0 [] write_chan+0x0/0x230 [] vfs_read+0xb0/0x100 [] do_munmap+0xed/0x120 [] sys_read+0x38/0x60 [] syscall_call+0x7/0xb gdmgreeter S 00000001 0 2219 1934 2043 (NOTLB) dcd6ef24 00000082 00000001 00000001 dd4b2110 00000010 c02da48c 00000000 cd593c00 000f4264 ddd24070 00000000 cd593c00 000f4264 dd4b22b8 00026b08 dcd6ef38 00000198 dcd6e000 c028dae0 dcd6efa0 c0150562 00000145 c0385320 Call Trace: [] schedule_timeout+0x60/0xc0 [] pipe_poll+0x32/0x90 [] process_timeout+0x0/0x10 [] do_poll+0x94/0xc0 [] sys_poll+0x12f/0x220 [] copy_to_user+0x32/0x50 [] __pollwait+0x0/0xc0 [] sys_gettimeofday+0x2c/0x70 [] syscall_call+0x7/0xb getty S 00000000 0 2220 1 2247 2182 (NOTLB) db6afe88 00000086 00000000 00000000 ddd6b600 db6afe90 dcfec2e0 c0390d80 0804ad78 00000282 ddfe5600 00000000 c7bec640 000f4208 dd170dd8 dc9e4000 7fffffff db6aff20 db6af000 c028db31 00000001 00000000 0000b98c db6f91f6 Call Trace: [] schedule_timeout+0xb1/0xc0 [] read_chan+0x5d7/0x760 [] con_write+0x24/0x40 [] write_chan+0x17c/0x230 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] default_wake_function+0x0/0x10 [] tty_read+0xc8/0xf0 [] write_chan+0x0/0x230 [] vfs_read+0xb0/0x100 [] do_munmap+0xed/0x120 [] sys_read+0x38/0x60 [] syscall_call+0x7/0xb pdflush S 00000400 0 2242 3 35 (L-TLB) dccc4f94 00000046 dccc4f48 00000400 00000000 00000001 00000000 00000001 00000000 00000001 00000000 00000000 be62c780 000f4263 dcf9b938 dccc4fbc dccc4fb0 dccc4000 c0132e60 c0132d6e dccc4000 dccc4000 ddd60f58 00000000 Call Trace: [] pdflush+0x0/0x20 [] __pdflush+0x6e/0x160 [] pdflush+0x1a/0x20 [] pdflush+0x0/0x20 [] kthread+0x94/0xa0 [] kthread+0x0/0xa0 [] kernel_thread_helper+0x5/0x18 cifsoplockd S DB774F88 0 2247 1 2250 2220 (L-TLB) db774f7c 00000046 dcf9b790 db774f88 00000046 dceb8380 dcf9b790 dd093340 dcf9a710 c0119626 dcbc3290 00000000 45ecc440 000f4263 dcbc2938 0002e821 db774f90 db774000 00000000 c028dae0 00000097 dcbc2790 db774000 c0385420 Call Trace: [] exit_notify+0x1f6/0x6c0 [] schedule_timeout+0x60/0xc0 [] process_timeout+0x0/0x10 [] cifs_oplock_thread+0x1d2/0x1e3 [cifs] [] cifs_oplock_thread+0x0/0x1e3 [cifs] [] cifs_oplock_thread+0x0/0x1e3 [cifs] [] kernel_thread_helper+0x5/0x18 cifsd S 00000087 0 2250 1 2247 (L-TLB) dc867dcc 00000046 c0375000 00000087 c010606c fdffffff 1ffffbff ffd7ff02 dc867000 ddd04248 dc99ad90 00000000 0a157100 000f4264 dcbc23b8 000277fc dc867de0 00000000 dc867e94 c028dae0 d252d854 00000000 0000007b c0385380 Call Trace: [] do_IRQ+0xdc/0x150 [] schedule_timeout+0x60/0xc0 [] process_timeout+0x0/0x10 [] sk_wait_data+0xb8/0xd0 [] autoremove_wake_function+0x0/0x50 [] autoremove_wake_function+0x0/0x50 [] tcp_recvmsg+0x365/0x700 [] inet_recvmsg+0x4a/0x70 [] sock_recvmsg+0x9c/0xd0 [] schedule+0x25c/0x410 [] mempool_alloc+0x63/0x100 [] schedule_timeout+0x69/0xc0 [] autoremove_wake_function+0x0/0x50 [] process_timeout+0x0/0x10 [] cifs_demultiplex_thread+0xd6/0x770 [cifs] [] cifs_demultiplex_thread+0x0/0x770 [cifs] [] kernel_thread_helper+0x5/0x18 cp D 00000000 0 2254 2045 (NOTLB) ddd59cd0 00000082 c02da20c 00000000 00000001 00000086 00000086 00000000 c02da120 c02da120 dd6880b0 00000000 dbd51ec0 000f4264 dc99af38 00026ac7 ddd59ce4 ddd59d38 ddd59d10 c028dae0 00000001 c0131541 00000001 c0385000 Call Trace: [] schedule_timeout+0x60/0xc0 [] __alloc_pages+0x2c1/0x300 [] process_timeout+0x0/0x10 [] io_schedule_timeout+0xe/0x50 [] blk_congestion_wait+0x72/0x90 [] autoremove_wake_function+0x0/0x50 [] autoremove_wake_function+0x0/0x50 [] get_dirty_limits+0x12/0xd0 [] balance_dirty_pages+0xbd/0x110 [] generic_file_aio_write_nolock+0x3ed/0x980 [] file_read_actor+0xc0/0xd0 [] __generic_file_aio_read+0x197/0x1d0 [] file_read_actor+0x0/0xd0 [] generic_file_write_nolock+0x5f/0x80 [] do_sync_read+0x6f/0xb0 [] do_IRQ+0x113/0x150 [] generic_file_write+0x3e/0x60 [] cifs_write_wrapper+0x4c/0xb0 [cifs] [] vfs_write+0xb0/0x100 [] sys_write+0x38/0x60 [] syscall_call+0x7/0xb vi D D67BED64 0 2259 2044 (NOTLB) d67becc0 00000086 00000000 d67bed64 0028000f 00000000 00000000 00000000 00000000 c13b2a60 dc99ad90 00000000 dbd51ec0 000f4264 dd5d7878 00026ac7 d67becd4 d67bed28 d67bed00 c028dae0 d252d3bc c0180f73 00000000 ddd59ce4 Call Trace: [] schedule_timeout+0x60/0xc0 [] journal_get_write_access+0x33/0x50 [] process_timeout+0x0/0x10 [] io_schedule_timeout+0xe/0x50 [] blk_congestion_wait+0x72/0x90 [] autoremove_wake_function+0x0/0x50 [] sync_sb_inodes+0x1bc/0x270 [] autoremove_wake_function+0x0/0x50 [] get_dirty_limits+0x12/0xd0 [] balance_dirty_pages+0xbd/0x110 [] generic_file_aio_write_nolock+0x3ed/0x980 [] build_attr+0x11d/0x120 [] con_write+0x24/0x40 [] generic_file_aio_write+0x64/0x90 [] ext3_file_write+0x30/0xb0 [] do_sync_write+0x6f/0xb0 [] unmap_vmas+0xf5/0x1b0 [] unmap_region+0x92/0xe0 [] vfs_write+0xb0/0x100 [] sys_write+0x38/0x60 [] syscall_call+0x7/0xb -- Nuno Ferreira