search for: child_rip

...fffff810d24e8>] do_rebuild_sched_domains+0x18/0x50 [<ffffffff81094a20>] worker_thread+0x170/0x2a0 [<ffffffff8109afa0>] ? autoremove_wake_function+0x0/0x40 [<ffffffff810948b0>] ? worker_thread+0x0/0x2a0 [<ffffffff8109abf6>] kthread+0x96/0xa0 [<ffffffff8100c20a>] child_rip+0xa/0x20 [<ffffffff8109ab60>] ? kthread+0x0/0xa0 [<ffffffff8100c200>] ? child_rip+0x0/0x20 INFO: task cgroup:83 blocked for more than 120 seconds. Not tainted 2.6.32-431.23.3.el6.x86_64 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. cgr...

...17c/0x187 [<ffffffff802639f9>] _spin_lock_irqsave+0x9/0x14 [<ffffffff803fed01>] md_thread+0xf8/0x10e [<ffffffff80299fec>] autoremove_wake_function+0x0/0x2e [<ffffffff803fec09>] md_thread+0x0/0x10e [<ffffffff80233483>] kthread+0xfe/0x132 [<ffffffff8025fb2c>] child_rip+0xa/0x12 [<ffffffff80299dd4>] keventd_create_kthread+0x0/0xc4 [<ffffffff80233385>] kthread+0x0/0x132 [<ffffffff8025fb22>] child_rip+0x0/0x12 BUG: warning at drivers/ata/libata-core.c:4923/ata_qc_issue() (Tainted: G ) Call Trace: [<ffffffff880b6625>] :libata:ata_qc_...

...0/0x2e [<ffffffff8024b388>] trace_hardirqs_on_caller+0x115/0x138 [<ffffffffa028b65d>] dlm_thread+0x0/0x11fb [ocfs2_dlm] [<ffffffff80240acd>] kthread+0x47/0x73 [<ffffffff8046782f>] trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff8020cd3a>] child_rip+0xa/0x20 [<ffffffff8020c8bc>] restore_args+0x0/0x30 [<ffffffff80240a61>] kthreadd+0x177/0x19c [<ffffffff80240a86>] kthread+0x0/0x73 [<ffffffff8020cd30>] child_rip+0x0/0x20 [<ffffffffffffffff>] 0xffffffffffffffff -> #0 (&dlm-&g...

...ff800a3d4a>] keventd_create_kthread+0x0/0xc4 Nov 1 14:34:22 <server> kernel: [<ffffffff800a3d4a>] keventd_create_kthread+0x0/0xc4 Nov 1 14:34:22 <server> kernel: [<ffffffff80032c68>] kthread+0xfe/0x132 Nov 1 14:34:22 <server> kernel: [<ffffffff8005dfc1>] child_rip+0xa/0x11 Nov 1 14:34:22 <server> kernel: [<ffffffff800a3d4a>] keventd_create_kthread+0x0/0xc4 Nov 1 14:34:23 <server> kernel: [<ffffffff80032b6a>] kthread+0x0/0x132 Nov 1 14:34:23 <server> kernel: [<ffffffff8005dfb7>] child_rip+0x0/0x11

..._kthread+0x0/0xc4 kernel: [<ffffffff8021b93a>] md_thread+0xf8/0x10e kernel: [<ffffffff800a0947>] keventd_create_kthread+0x0/0xc4 kernel: [<ffffffff8021b842>] md_thread+0x0/0x10e kernel: [<ffffffff8003296e>] kthread+0xfe/0x132 kernel: [<ffffffff8005dfb1>] child_rip+0xa/0x11 kernel: [<ffffffff800a0947>] keventd_create_kthread+0x0/0xc4 kernel: [<ffffffff80032870>] kthread+0x0/0x132 kernel: [<ffffffff8005dfa7>] child_rip+0x0/0x11 kernel: The /var/log/mcelog is empty. # df -h Filesystem Size Used Avail Use% Mounted on /d...

...bcfs:lcw_update_time+22} > <ffffffffa03e06e3>{:ptlrpc:ptlrpc_main+1408} > <ffffffff8013327d>{default_wake_function+0} > <ffffffffa03e0156>{:ptlrpc:ptlrpc_retry_rqbds+0} > <ffffffffa03e0156>{:ptlrpc:ptlrpc_retry_rqbds+0} > <ffffffff80110ebb>{child_rip+8} > <ffffffffa03e0163>{:ptlrpc:ptlrpc_main+0} > <ffffffff80110eb3>{child_rip+0} > > ll_ost_io_232 S 000001037d6bbee8 0 26764 1 26765 > 26763 (L-TLB) > 000001037d6bbe58 0000000000000046 0000000100000246 0000000000000003 > 00000000000...

..._wake_function+0x0/0x2e Apr 29 11:01:18 node06 kernel: [2569440.616778] [<ffffffff810612c3>] ? worker_thread+0x0/0x21d Apr 29 11:01:18 node06 kernel: [2569440.616793] [<ffffffff81064769>] ? kthread+0x79/0x81 Apr 29 11:01:18 node06 kernel: [2569440.616810] [<ffffffff81011baa>] ? child_rip+0xa/0x20 Apr 29 11:01:18 node06 kernel: [2569440.616825] [<ffffffff810646f0>] ? kthread+0x0/0x81 Apr 29 11:01:18 node06 kernel: [2569440.616840] [<ffffffff81011ba0>] ? child_rip+0x0/0x20 ----- cut here ----- On all the others I had the following: ----- cut here ----- Apr 29 11:00:2...

...0/0x2e Jun 26 22:59:07 c4 kernel: [<ffffffff803e9e06>] hub_thread+0x0/0xb11 Jun 26 22:59:07 c4 kernel: [<ffffffff8029de34>] keventd_create_kthread+0x0/0xc4 Jun 26 22:59:07 c4 kernel: [<ffffffff80233dee>] kthread+0xfe/0x132 Jun 26 22:59:07 c4 kernel: [<ffffffff80260b2c>] child_rip+0xa/0x12 Jun 26 22:59:07 c4 kernel: [<ffffffff8029de34>] keventd_create_kthread+0x0/0xc4 Jun 26 22:59:07 c4 kernel: [<ffffffff80233cf0>] kthread+0x0/0x132 Jun 26 22:59:07 c4 kernel: [<ffffffff80260b22>] child_rip+0x0/0x12 Kai

...l: [ 1532.887842] [worker_thread+0x0/0x110] worker_thread+0x0/0x110 Jul 24 22:44:54 minerva kernel: [ 1532.887902] [worker_thread+0x0/0x110] worker_thread+0x0/0x110 Jul 24 22:44:54 minerva kernel: [ 1532.887960] [kthread+0x4b/0x80] kthread+0x4b/0x80 Jul 24 22:44:54 minerva kernel: [ 1532.888019] [child_rip+0xa/0x12] child_rip+0xa/0x12 Jul 24 22:44:54 minerva kernel: [ 1532.888083] [kthread+0x0/0x80] kthread+0x0/0x80 Jul 24 22:44:54 minerva kernel: [ 1532.888140] [child_rip+0x0/0x12] child_rip+0x0/0x12 Jul 24 22:44:54 minerva kernel: [ 1532.888198] Jul 24 22:44:54 minerva kernel: [ 1532.888243] Jul...

...<ffffffff8807c9d2>{:jbd:journal_commit_transaction+4194} <ffffffff801439f1>{del_timer+113} <ffffffff8807f4d3>{:jbd:kjournald+275} <ffffffff8807eba0>{:jbd:commit_timeout+0} <ffffffff801506e0>{autoremove_wake_function+0} <ffffffff8010f76b>{child_rip+8} <ffffffff8807f3c0>{:jbd:kjournald+0} <ffffffff8010f763>{child_rip+0} Code: 0f 0b fe 15 08 88 ff ff ff ff 72 02 48 83 7b 50 00 74 34 49 RIP <ffffffff8807d56f>{:jbd:__journal_drop_transaction+319} RSP <ffff8100fade9de8> <3>Debug: sleeping function called f...

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...id10] [<ffffffff813ea428>] ? is_mddev_idle+0xc8/0x120 [<ffffffff813eab6d>] ? md_do_sync+0x6ad/0xbe0 [<ffffffff813eb336>] ? md_thread+0x116/0x150 [<ffffffff813eb220>] ? md_thread+0x0/0x150 [<ffffffff810906a6>] ? kthread+0x96/0xa0 [<ffffffff8100c14a>] ? child_rip+0xa/0x20 [<ffffffff81090610>] ? kthread+0x0/0xa0 [<ffffffff8100c140>] ? child_rip+0x0/0x20 ---[ end trace a7919e7f17c0a727 ]--- md: md1: data-check done. x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 ------------[ cut here ]------------ WARNING: at arch/x86/kerne...

David, So here are the two patches. Remove all patches that you have and apply these. The first one is straight forward. The second one will hopefully fix the livelock issue you have been encountering. People reviewing the patches should note that the second one is slightly different than the one I posted earlier. It removes the BUG_ON in the if condition where we jump to update_holders. The

...0000000012 0000000000000001 000001010001f7f0 00000000000002b7 Call Trace:<ffffffff80133b66>{__wake_up_common+67} <ffffffff80134c85>{migration_thread+323} <ffffffff80134b42>{migration_thread+0} <ffffffff8014b22a>{kthread+199} <ffffffff80110f47>{child_rip+8} <ffffffff8014b163>{kthread+0} <ffffffff80110f3f>{child_rip+0} ksoftirqd/0 S 0000000000000000 0 3 1 4 2 (L-TLB) 00000104fc73ff08 0000000000000046 0000010400000000 0000000000000246 00000104fc73e000 0000000000000246 0000010008004cc0 000000...

...f80241e20>] autoremove_wake_function+0x0/0x2e [<ffffffff80241a75>] keventd_create_kthread+0x0/0x61 [<ffffffff80369073>] xenfb_thread+0x0/0x2be [<ffffffff80241a75>] keventd_create_kthread+0x0/0x61 [<ffffffff80241ceb>] kthread+0xd4/0x109 [<ffffffff8020afe0>] child_rip+0xa/0x12 [<ffffffff80241a75>] keventd_create_kthread+0x0/0x61 [<ffffffff8021477f>] xen_send_IPI_mask+0x0/0xf5 [<ffffffff80241c17>] kthread+0x0/0x109 [<ffffffff8020afd6>] child_rip+0x0/0x12 FYI, when I tested it, I used the following shell scripts on PV guest. The a...

...1f1c8f>] ? xenwatch_thread+0x117/0x14a [ 173.233878] [<ffffffff81065042>] ? autoremove_wake_function+0x0/0x2e [ 173.233890] [<ffffffff811f1b78>] ? xenwatch_thread+0x0/0x14a [ 173.233902] [<ffffffff81064d75>] ? kthread+0x79/0x81 [ 173.233913] [<ffffffff81011baa>] ? child_rip+0xa/0x20 [ 173.233925] [<ffffffff81010d61>] ? int_ret_from_sys_call+0x7/0x1b [ 173.233937] [<ffffffff8101151d>] ? retint_restore_args+0x5/0x6 [ 173.233950] [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1 [ 173.233963] [<ffffffff81011ba0>] ? child_rip+0x0/0x2...

...[<ffffffff8109b2b0>] ? autoremove_wake_function+0x0/0x40 Jan 30 09:46:13 qb-storage kernel: [<ffffffff81094bc0>] ? worker_thread+0x0/0x2a0 Jan 30 09:46:13 qb-storage kernel: [<ffffffff8109af06>] ? kthread+0x96/0xa0 Jan 30 09:46:13 qb-storage kernel: [<ffffffff8100c20a>] ? child_rip+0xa/0x20 Jan 30 09:46:13 qb-storage kernel: [<ffffffff8109ae70>] ? kthread+0x0/0xa0 Jan 30 09:46:13 qb-storage kernel: [<ffffffff8100c200>] ? child_rip+0x0/0x20 Jan 30 09:46:13 qb-storage kernel: ---[ end trace 13fa6e7d5ee2d668 ]--- and: |BUG: soft lockup - CPU#0 stuck for 67s! [nfsd4...

...423>] ? kjournald+0xdf/0x226 [jbd] [163440.613662] [<ffffffff81065d0a>] ? autoremove_wake_function+0x0/0x2e [163440.613670] [<ffffffffa00b9344>] ? kjournald+0x0/0x226 [jbd] [163440.613675] [<ffffffff81065a3d>] ? kthread+0x79/0x81 [163440.613682] [<ffffffff81012baa>] ? child_rip+0xa/0x20 [163440.613688] [<ffffffff81011d61>] ? int_ret_from_sys_call+0x7/0x1b [163440.613693] [<ffffffff8101251d>] ? retint_restore_args+0x5/0x6 [163440.613699] [<ffffffff8102ddc0>] ? pvclock_clocksource_read+0x3a/0x8b [163440.613704] [<ffffffff81012ba0>] ? child_rip+0x...

.../0x28a [<ffffffff80030cdb>] do_fork+0x69/0x1c1 [<ffffffff8009d98c>] keventd_create_kthread+0x0/0xc4 [<ffffffff8005df3d>] kernel_thread+0x81/0xeb [<ffffffff8009d98c>] keventd_create_kthread+0x0/0xc4 [<ffffffff80032282>] kthread+0x0/0x132 [<ffffffff8005dfa7>] child_rip+0x0/0x11 [<ffffffff8009d9a9>] keventd_create_kthread+0x1d/0xc4 [<ffffffff8004d159>] run_workqueue+0x94/0xe4 [<ffffffff800499da>] worker_thread+0x0/0x122 [<ffffffff80049aca>] worker_thread+0xf0/0x122 [<ffffffff8008a4b3>] default_wake_function+0x0/0xe [<ffffffff...

Hi, I have uploaded a new set of rebased openSUSE dom0 xen patches and Gentoo ebuild for 2.6.31 to http://code.google.com/p/gentoo-xen-kernel/downloads/list, Jan Beulich recently identified the cause of the null pointer crash and other stability problems that affected previous versions and with the necessary fixes applied the kernel has run for 2+ days with no issues at all, I think you will find