* Panic when running 'halt' on 3.2.9-rt15
@ 2012-03-05 16:05 Luis Claudio R. Goncalves
2012-03-05 19:48 ` Fernando Lopez-Lezcano
0 siblings, 1 reply; 2+ messages in thread
From: Luis Claudio R. Goncalves @ 2012-03-05 16:05 UTC (permalink / raw)
To: RT users list
Cc: Clark Williams, Peter Zijlstra, Thomas Gleixner, Steven Rostedt,
John Kacur
Two backtraces, one with warnings and another one with a kernel panic:
Backtrace 01: (panic)
-------------
[root@lab ~]# halt
[ 428.406096] ACPI: Preparing to enter system sleep state S5
[ 428.407145] Disabling non-boot CPUs ...
[ 428.410419] lockdep: fixing up alternatives.
[ 428.415125] ------------[ cut here ]------------
[ 428.443541] WARNING: at kernel/sched.c:4415 migrate_disable+0x5d/0xbf()
[ 428.450179] Hardware name: 8810A56
[ 428.454001] BUG: unable to handle kernel paging request at ffffffff8103e98f
[ 428.454001] IP: [<ffffffff8106b749>] __lock_acquire+0xa9/0x42e
[ 428.454001] PGD 1810067 PUD 1814063 PMD 10001e1
[ 428.454001] Thread overran stack, or stack corrupted
[ 428.454001] Oops: 0003 [#1] PREEMPT SMP
[ 428.454001] CPU 0
[ 428.454001] Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_regio]
[ 428.454001]
[ 428.454001] Pid: 12, comm: ksoftirqd/1 Not tainted 3.2.9-rt15+ #36 LENOVO 8810A56/LENOVO
[ 428.454001] RIP: 0010:[<ffffffff8106b749>] [<ffffffff8106b749>] __lock_acquire+0xa9/0x42e
[ 428.454001] RSP: 0018:ffff88007ea03cf8 EFLAGS: 00010082
[ 428.454001] RAX: ffffffff8103e7f7 RBX: ffff88007c07a2b8 RCX: 0000000000000000
[ 428.454001] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88007c07a2b8
[ 428.454001] RBP: ffff88007ea03d48 R08: 0000000000000001 R09: 0000000000000001
[ 428.454001] R10: 00000000000001ab R11: ffff88007c090300 R12: 0000000000000000
[ 428.454001] R13: ffff88007c090300 R14: 0000000000000000 R15: 0000000000000001
[ 428.454001] FS: 0000000000000000(0000) GS:ffff88007ea00000(0000) knlGS:0000000000000000
[ 428.454001] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 428.454001] CR2: ffffffff8103e98f CR3: 00000000771ae000 CR4: 00000000000006f0
[ 428.454001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 428.454001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 428.454001] Process ksoftirqd/1 (pid: 12, threadinfo ffff88007c08a000, task ffff88007c090300)
[ 428.454001] Stack:
[ 428.454001] ffff880000000000 ffffffff00000000 000000007ea03d28 ffffffff81060993
[ 428.454001] 0000000000000000 0000000000000000 ffff88007c090300 ffffffff810341dc
[ 428.454001] 0000000000000001 0000000000000000 ffff88007ea03dc8 ffffffff8106bb92
[ 428.454001] Call Trace:
[ 428.454001] <IRQ>
[ 428.454001] [<ffffffff81060993>] ? sched_clock_local+0x12/0x75
[ 428.454001] BUG: unable to handle kernel paging request at 000000000000346f
[ 428.454001] IP: [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] PGD 0
[ 428.454001] Thread overran stack, or stack corrupted
[ 428.454001] Oops: 0000 [#2] PREEMPT SMP
[ 428.454001] CPU 0
[ 428.454001] Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_regio]
[ 428.454001]
[ 428.454001] Pid: 12, comm: ksoftirqd/1 Not tainted 3.2.9-rt15+ #36 LENOVO 8810A56/LENOVO
[ 428.454001] RIP: 0010:[<ffffffff81004c35>] [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] RSP: 0018:ffff88007ea03808 EFLAGS: 00010083
[ 428.454001] RAX: ffffffff81400180 RBX: ffff88007ea03d10 RCX: ffff88007c08a000
[ 428.454001] RDX: 000000000000113f RSI: ffffffff81576366 RDI: ffffffff81060993
[ 428.454001] RBP: ffff88007ea03818 R08: ffff88007ea038e4 R09: ffffffff81576366
[ 428.454001] R10: ffffffff81576366 R11: 0000000000000000 R12: ffff88007ea03d48
[ 428.454001] R13: ffff88007ea03d48 R14: ffff88007ea03fc0 R15: ffffffff81060993
[ 428.454001] FS: 0000000000000000(0000) GS:ffff88007ea00000(0000) knlGS:0000000000000000
[ 428.454001] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 428.454001] CR2: 000000000000346f CR3: 00000000771ae000 CR4: 00000000000006f0
[ 428.454001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 428.454001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 428.454001] Process ksoftirqd/1 (pid: 12, threadinfo ffff88007c08a000, task ffff88007c090300)
[ 428.454001] Stack:
[ 428.454001] ffff88007ea03d10 ffff88007ea03d48 ffff88007ea03888 ffffffff81004dd9
[ 428.454001] ffffffff8103eac3 ffff88007ea01fc0 ffff88007c08bff8 ffffffff81400180
[ 428.454001] ffffffff81576366 ffff88007c08a000 ffffffff815767be ffff88007ea03cf8
[ 428.454001] Call Trace:
[ 428.454001] <IRQ>
[ 428.454001] [<ffffffff81004dd9>] print_context_stack+0x93/0xd8
[ 428.454001] BUG: unable to handle kernel paging request at 000000000000346f
[ 428.454001] IP: [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] PGD 0
[ 428.454001] Thread overran stack, or stack corrupted
[ 428.454001] Oops: 0000 [#3] PREEMPT SMP
[ 428.454001] CPU 0
[ 428.454001] Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_regio]
[ 428.454001]
[ 428.454001] Pid: 12, comm: ksoftirqd/1 Not tainted 3.2.9-rt15+ #36 LENOVO 8810A56/LENOVO
[ 428.454001] RIP: 0010:[<ffffffff81004c35>] [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] RSP: 0018:ffff88007ea03318 EFLAGS: 00010087
[ 428.454001] RAX: ffffffff81400180 RBX: ffff88007ea03820 RCX: ffff88007c08a000
[ 428.454001] RDX: 000000000000113f RSI: ffffffff81576366 RDI: ffffffff81004dd9
[ 428.454001] RBP: ffff88007ea03328 R08: ffff88007ea033f4 R09: ffffffff81576366
[ 428.454001] R10: ffffffff81576366 R11: 0000000000000000 R12: ffff88007ea03888
[ 428.454001] R13: ffff88007ea03888 R14: ffff88007ea03fc0 R15: ffffffff81004dd9
[ 428.454001] FS: 0000000000000000(0000) GS:ffff88007ea00000(0000) knlGS:0000000000000000
[ 428.454001] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 428.454001] CR2: 000000000000346f CR3: 00000000771ae000 CR4: 00000000000006f0
[ 428.454001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 428.454001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 428.454001] Process ksoftirqd/1 (pid: 12, threadinfo ffff88007c08a000, task ffff88007c090300)
[ 428.454001] Stack:
[ 428.454001] ffff88007ea03820 ffff88007ea03818 ffff88007ea03398 ffffffff81004dd9
[ 428.454001] ffffffff8103eac3 ffff88007ea01fc0 ffff88007c08bff8 ffffffff81400180
[ 428.454001] ffffffff81576366 ffff88007c08a000 ffffffff815767be ffff88007ea03808
[ 428.454001] Call Trace:
[ 428.454001] <IRQ>
[ 428.454001] [<ffffffff81004dd9>] print_context_stack+0x93/0xd8
[ 428.454001] BUG: unable to handle kernel paging request at 000000000000346f
[ 428.454001] IP: [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] PGD 0
[ 428.454001] Thread overran stack, or stack corrupted
[ 428.454001] Oops: 0000 [#4] PREEMPT SMP
[ 428.454001] CPU 0
[ 428.454001] Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_regio]
[ 428.454001]
[ 428.454001] Pid: 12, comm: ksoftirqd/1 Not tainted 3.2.9-rt15+ #36 LENOVO 8810A56/LENOVO
[ 428.454001] RIP: 0010:[<ffffffff81004c35>] [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] RSP: 0018:ffff88007ea02e28 EFLAGS: 00010087
[ 428.454001] RAX: ffffffff81400180 RBX: ffff88007ea03330 RCX: ffff88007c08a000
[ 428.454001] RDX: 000000000000113f RSI: ffffffff81576366 RDI: ffffffff81004dd9
[ 428.454001] RBP: ffff88007ea02e38 R08: ffff88007ea02f04 R09: ffffffff81576366
[ 428.454001] R10: ffffffff81576366 R11: 0000000000000000 R12: ffff88007ea03398
[ 428.454001] R13: ffff88007ea03398 R14: ffff88007ea03fc0 R15: ffffffff81004dd9
[ 428.454001] FS: 0000000000000000(0000) GS:ffff88007ea00000(0000) knlGS:0000000000000000
[ 428.454001] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 428.454001] CR2: 000000000000346f CR3: 00000000771ae000 CR4: 00000000000006f0
[ 428.454001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 428.454001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 428.454001] Process ksoftirqd/1 (pid: 12, threadinfo ffff88007c08a000, task ffff88007c090300)
[ 428.454001] Stack:
[ 428.454001] ffff88007ea03330 ffff88007ea03328 ffff88007ea02ea8 ffffffff81004dd9
[ 428.454001] ffffffff8103eac3 ffff88007ea01fc0 ffff88007c08bff8 ffffffff81400180
[ 428.454001] ffffffff81576366 ffff88007c08a000 ffffffff815767be ffff88007ea03318
[ 428.454001] Call Trace:
[ 428.454001] <IRQ>
[ 428.454001] [<ffffffff81004dd9>] print_context_stack+0x93/0xd8
[ 428.454001] BUG: unable to handle kernel paging request at 000000000000346f
[ 428.454001] IP: [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] PGD 0
[ 428.454001] Thread overran stack, or stack corrupted
[ 428.454001] Oops: 0000 [#5] PREEMPT SMP
[ 428.454001] CPU 0
[ 428.454001] Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_regio]
[ 428.454001]
[ 428.454001] Pid: 12, comm: ksoftirqd/1 Not tainted 3.2.9-rt15+ #36 LENOVO 8810A56/LENOVO
[ 428.454001] RIP: 0010:[<ffffffff81004c35>] [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] RSP: 0018:ffff88007ea02938 EFLAGS: 00010087
[ 428.454001] RAX: ffffffff81400180 RBX: ffff88007ea02e40 RCX: ffff88007c08a000
[ 428.454001] RDX: 000000000000113f RSI: ffffffff81576366 RDI: ffffffff81004dd9
[ 428.454001] RBP: ffff88007ea02948 R08: ffff88007ea02a14 R09: ffffffff81576366
[ 428.454001] R10: ffffffff81576366 R11: 0000000000000000 R12: ffff88007ea02ea8
[ 428.454001] R13: ffff88007ea02ea8 R14: ffff88007ea03fc0 R15: ffffffff81004dd9
[ 428.454001] FS: 0000000000000000(0000) GS:ffff88007ea00000(0000) knlGS:0000000000000000
[ 428.454001] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 428.454001] CR2: 000000000000346f CR3: 00000000771ae000 CR4: 00000000000006f0
[ 428.454001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 428.454001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 428.454001] Process ksoftirqd/1 (pid: 12, threadinfo ffff88007c08a000, task ffff88007c090300)
[ 428.454001] Stack:
[ 428.454001] ffff88007ea02e40 ffff88007ea02e38 ffff88007ea029b8 ffffffff81004dd9
[ 428.454001] ffffffff8103eac3 ffff88007ea01fc0 ffff88007c08bff8 ffffffff81400180
[ 428.454001] ffffffff81576366 ffff88007c08a000 ffffffff815767be ffff88007ea02e28
[ 428.454001] Call Trace:
[ 428.454001] <IRQ>
[ 428.454001] [<ffffffff81004dd9>] print_context_stack+0x93/0xd8
[ 428.454001] BUG: unable to handle kernel paging request at 000000000000346f
[ 428.454001] IP: [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] PGD 0
[ 428.454001] Thread overran stack, or stack corrupted
[ 428.454001] Oops: 0000 [#6] PREEMPT SMP
[ 428.454001] CPU 0
[ 428.454001] Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_regio]
[ 428.454001]
[ 428.454001] Pid: 12, comm: ksoftirqd/1 Not tainted 3.2.9-rt15+ #36 LENOVO 8810A56/LENOVO
[ 428.454001] RIP: 0010:[<ffffffff81004c35>] [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] RSP: 0018:ffff88007ea02448 EFLAGS: 00010087
[ 428.454001] RAX: ffffffff81400180 RBX: ffff88007ea02950 RCX: ffff88007c08a000
[ 428.454001] RDX: 000000000000113f RSI: ffffffff81576366 RDI: ffffffff81004dd9
[ 428.454001] RBP: ffff88007ea02458 R08: ffff88007ea02524 R09: ffffffff81576366
[ 428.454001] R10: ffffffff81576366 R11: 0000000000000000 R12: ffff88007ea029b8
[ 428.454001] R13: ffff88007ea029b8 R14: ffff88007ea03fc0 R15: ffffffff81004dd9
[ 428.454001] FS: 0000000000000000(0000) GS:ffff88007ea00000(0000) knlGS:0000000000000000
[ 428.454001] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 428.454001] CR2: 000000000000346f CR3: 00000000771ae000 CR4: 00000000000006f0
[ 428.454001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 428.454001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 428.454001] Process ksoftirqd/1 (pid: 12, threadinfo ffff88007c08a000, task ffff88007c090300)
[ 428.454001] Stack:
[ 428.454001] ffff88007ea02950 ffff88007ea02948 ffff88007ea024c8 ffffffff81004dd9
[ 428.454001] ffffffff8103eac3 ffff88007ea01fc0 ffff88007c08bff8 ffffffff81400180
[ 428.454001] ffffffff81576366 ffff88007c08a000 ffffffff815767be ffff88007ea02938
[ 428.454001] Call Trace:
[ 428.454001] <IRQ>
[ 428.454001] [<ffffffff81004dd9>] print_context_stack+0x93/0xd8
[ 428.454001] BUG: unable to handle kernel paging request at 000000000000346f
[ 428.454001] IP: [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] PGD 0
[ 428.454001] Thread overran stack, or stack corrupted
[ 428.454001] Oops: 0000 [#7] PREEMPT SMP
[ 428.454001] CPU 0
[ 428.454001] Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_regio]
[ 428.454001]
[ 428.454001] Pid: 12, comm: ksoftirqd/1 Not tainted 3.2.9-rt15+ #36 LENOVO 8810A56/LENOVO
[ 428.454001] RIP: 0010:[<ffffffff81004c35>] [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] RSP: 0018:ffff88007ea01f58 EFLAGS: 00010087
[ 428.454001] RAX: ffffffff81400180 RBX: ffff88007ea02460 RCX: ffff88007c08a000
[ 428.454001] RDX: 000000000000113f RSI: ffffffff81576366 RDI: ffffffff81004dd9
[ 428.454001] RBP: ffff88007ea01f68 R08: ffff88007ea02034 R09: ffffffff81576366
[ 428.454001] R10: ffffffff81576366 R11: 0000000000000000 R12: ffff88007ea024c8
[ 428.454001] R13: ffff88007ea024c8 R14: ffff88007ea03fc0 R15: ffffffff81004dd9
[ 428.454001] FS: 0000000000000000(0000) GS:ffff88007ea00000(0000) knlGS:0000000000000000
[ 428.454001] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 428.454001] CR2: 000000000000346f CR3: 00000000771ae000 CR4: 00000000000006f0
[ 428.454001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 428.454001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 428.454001] Process ksoftirqd/1 (pid: 12, threadinfo ffff88007c08a000, task ffff88007c090300)
[ 428.454001] Stack:
[ 428.454001] ffff88007ea02460 ffff88007ea02458 ffff88007ea01fd8 ffffffff81004dd9
[ 428.454001] ffffffff8103eac3 ffff88007ea01fc0 ffff88007c08bff8 ffffffff81400180
[ 428.454001] ffffffff81576366 ffff88007c08a000 ffffffff815767be ffff88007ea02448
[ 428.454001] Call Trace:
[ 428.454001] <IRQ>
[ 428.454001] <EOI>
[ 428.454001] Code: f8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 90 90 55 48 89 e5 48 83 ec 10 66 66 66 66 90 48 89 d0 48 8b 11 48 81 ff 01 b6
[ 428.454001] RIP [<ffffffff81004c35>] print_ftrace_graph_addr+0x1d/0x5c
[ 428.454001] RSP <ffff88007ea01f58>
[ 428.454001] CR2: 000000000000346f
[ 428.454001] ---[ end trace 0000000000000002 ]---
[ 428.454001] Kernel panic - not syncing: Fatal exception in interrupt
[ 428.454001] Pid: 12, comm: ksoftirqd/1 Tainted: G D 3.2.9-rt15+ #36
[ 428.454001] Call Trace:
[ 428.454001] <IRQ> <EOI>
[ 428.454001] panic occurred, switching back to text console
Backtrace 02: (no panic)
-------------
[root@lab ~]# halt
...
<6>ACPI: Preparing to enter system sleep state S5
Disabling non-boot CPUs ...
lockdep: fixing up alternatives.
<4>------------[ cut here ]------------
<4>WARNING: at kernel/sched.c:4446 migrate_enable+0x62/0x16a()
<4>Hardware name: 8810A56
<d>Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_region_hash dm_lo]
Pid: 12, comm: ksoftirqd/1 Not tainted 3.2.9-rt15+ #36
Call Trace:
[<ffffffff8103ddc8>] warn_slowpath_common+0x83/0x9b
[<ffffffff813d4d4e>] ? rt_spin_lock_slowunlock+0x1d/0x66
[<ffffffff8103ddfa>] warn_slowpath_null+0x1a/0x1c
[<ffffffff81037c66>] migrate_enable+0x62/0x16a
[<ffffffff8103fa0b>] pin_current_cpu+0x9f/0xa9
[<ffffffff81043f03>] __thread_do_softirq+0x13/0x132
[<ffffffff810440ba>] run_ksoftirqd+0x98/0x195
[<ffffffff81044022>] ? __thread_do_softirq+0x132/0x132
[<ffffffff8105aeb8>] kthread+0x99/0xa1
[<ffffffff81060ba7>] ? local_clock+0x27/0x2f
[<ffffffff813dcd74>] kernel_thread_helper+0x4/0x10
[<ffffffff8105ae1f>] ? __init_kthread_worker+0x8e/0x8e
[<ffffffff813dcd70>] ? gs_change+0x13/0x13
<4>---[ end trace 0000000000000002 ]---
<4>------------[ cut here ]------------
<4>WARNING: at kernel/sched.c:4448 migrate_enable+0x8c/0x16a()
<4>Hardware name: 8810A56
<d>Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_region_hash dm_lo]
Pid: 12, comm: ksoftirqd/1 Tainted: G W 3.2.9-rt15+ #36
Call Trace:
[<ffffffff8103ddc8>] warn_slowpath_common+0x83/0x9b
[<ffffffff8103ddfa>] warn_slowpath_null+0x1a/0x1c
[<ffffffff81037c90>] migrate_enable+0x8c/0x16a
[<ffffffff8103fa0b>] pin_current_cpu+0x9f/0xa9
[<ffffffff81043f03>] __thread_do_softirq+0x13/0x132
[<ffffffff810440ba>] run_ksoftirqd+0x98/0x195
[<ffffffff81044022>] ? __thread_do_softirq+0x132/0x132
[<ffffffff8105aeb8>] kthread+0x99/0xa1
[<ffffffff81060ba7>] ? local_clock+0x27/0x2f
[<ffffffff813dcd74>] kernel_thread_helper+0x4/0x10
[<ffffffff8105ae1f>] ? __init_kthread_worker+0x8e/0x8e
[<ffffffff813dcd70>] ? gs_change+0x13/0x13
<4>---[ end trace 0000000000000003 ]---
<4>------------[ cut here ]------------
<4>WARNING: at kernel/sched.c:4415 migrate_disable+0x5d/0xbf()
<4>Hardware name: 8810A56
<d>Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_region_hash dm_lo]
Pid: 12, comm: ksoftirqd/1 Tainted: G W 3.2.9-rt15+ #36
Call Trace:
[<ffffffff8103ddc8>] warn_slowpath_common+0x83/0x9b
[<ffffffff8103ddfa>] warn_slowpath_null+0x1a/0x1c
[<ffffffff81037dcb>] migrate_disable+0x5d/0xbf
[<ffffffff8105ee4f>] ? hrtimer_try_to_cancel+0x79/0x87
[<ffffffff810808cd>] acct_collect+0x8b/0x192
[<ffffffff81044022>] ? __thread_do_softirq+0x132/0x132
[<ffffffff81041644>] do_exit+0x1f3/0x7ad
[<ffffffff81044192>] ? run_ksoftirqd+0x170/0x195
[<ffffffff81044022>] ? __thread_do_softirq+0x132/0x132
[<ffffffff8105aec0>] kthread+0xa1/0xa1
[<ffffffff81060ba7>] ? local_clock+0x27/0x2f
[<ffffffff813dcd74>] kernel_thread_helper+0x4/0x10
[<ffffffff8105ae1f>] ? __init_kthread_worker+0x8e/0x8e
[<ffffffff813dcd70>] ? gs_change+0x13/0x13
<4>---[ end trace 0000000000000004 ]---
<0>Power down.
<7>acpi_power_off called
--
[ Luis Claudio R. Goncalves Bass - Gospel - RT ]
[ Fingerprint: 4FDD B8C4 3C59 34BD 8BE9 2696 7203 D980 A448 C8F8 ]
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Panic when running 'halt' on 3.2.9-rt15
2012-03-05 16:05 Panic when running 'halt' on 3.2.9-rt15 Luis Claudio R. Goncalves
@ 2012-03-05 19:48 ` Fernando Lopez-Lezcano
0 siblings, 0 replies; 2+ messages in thread
From: Fernando Lopez-Lezcano @ 2012-03-05 19:48 UTC (permalink / raw)
To: RT users list
Cc: Luis Claudio R. Goncalves, Clark Williams, Peter Zijlstra,
Thomas Gleixner, Steven Rostedt, John Kacur
On 03/05/2012 08:05 AM, Luis Claudio R. Goncalves wrote:
>
> Two backtraces, one with warnings and another one with a kernel panic:
Hi, I also see a panic here on a Lenovo T61 (Core 2 Duo) on shutdown
(I'll post a picture of the screen later) and some of my users in Planet
CCRMA report similar issues with 3.2.9 rt15:
On 03/04/2012 01:27 AM, Mark Knoop wrote:
> At 10:54 on 03 Mar 2012, Fernando Lopez-Lezcano wrote:
>> On 03/02/2012 09:22 PM, Michael J. Wilson wrote:
>>> Hi Nando,
>>>
>>> Lenovo Thinkpad x220, FC16.
>>>
>>> 3.2.7-1.rt13 was giving me some shutdown problems (after drives
>>> unmounted device would not halt; maybe ACPI issue?)
>>
>> Hmm, yes, I saw a problem with my test laptop last night after testing
>> 3.2.9, I got a panic on shutdown (which I had not seen before, I
>> think). I was about to go home so I did not try to document it and
>> submit a bug report.
>>
>> Did you see a kernel panic as well? Or just hangs?
>
> Hi, yes I'm seeing these problems too on shutdown.
>
> 3.2.7-1.rt13 hangs for a while (1-2 minutes) with no output then
> eventually shuts down fine (from Sending SIGTERM to all running
> tasks...)
>
> 3.2.9-rt15 I get a panic on shutdown, the details scroll offscreen but
> it looks like a general protection fault. What's the best way to debug
> this?
>
> But I should also say that both kernels seem to run very well except
> for these problems.
-- Fernando
> Backtrace 01: (panic)
> -------------
>
> [root@lab ~]# halt
>
> [ 428.406096] ACPI: Preparing to enter system sleep state S5
> [ 428.407145] Disabling non-boot CPUs ...
> [ 428.410419] lockdep: fixing up alternatives.
> [ 428.415125] ------------[ cut here ]------------
> [ 428.443541] WARNING: at kernel/sched.c:4415 migrate_disable+0x5d/0xbf()
> [ 428.450179] Hardware name: 8810A56
> [ 428.454001] BUG: unable to handle kernel paging request at ffffffff8103e98f
> [ 428.454001] IP: [<ffffffff8106b749>] __lock_acquire+0xa9/0x42e
> [ 428.454001] PGD 1810067 PUD 1814063 PMD 10001e1
> [ 428.454001] Thread overran stack, or stack corrupted
> [ 428.454001] Oops: 0003 [#1] PREEMPT SMP
> [ 428.454001] CPU 0
> [ 428.454001] Modules linked in: bridge stp autofs4 nf_conntrack_ipv6 nf_defrag_ipv6 ipv6 binfmt_misc ext3 jbd ext2 dm_mirror dm_regio]
> [ 428.454001]
> [ 428.454001] Pid: 12, comm: ksoftirqd/1 Not tainted 3.2.9-rt15+ #36 LENOVO 8810A56/LENOVO
> [ 428.454001] RIP: 0010:[<ffffffff8106b749>] [<ffffffff8106b749>] __lock_acquire+0xa9/0x42e
> [ 428.454001] RSP: 0018:ffff88007ea03cf8 EFLAGS: 00010082
> [ 428.454001] RAX: ffffffff8103e7f7 RBX: ffff88007c07a2b8 RCX: 0000000000000000
> [ 428.454001] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88007c07a2b8
> [ 428.454001] RBP: ffff88007ea03d48 R08: 0000000000000001 R09: 0000000000000001
> [ 428.454001] R10: 00000000000001ab R11: ffff88007c090300 R12: 0000000000000000
> [ 428.454001] R13: ffff88007c090300 R14: 0000000000000000 R15: 0000000000000001
> [ 428.454001] FS: 0000000000000000(0000) GS:ffff88007ea00000(0000) knlGS:0000000000000000
> [ 428.454001] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> [ 428.454001] CR2: ffffffff8103e98f CR3: 00000000771ae000 CR4: 00000000000006f0
> [ 428.454001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 428.454001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> [ 428.454001] Process ksoftirqd/1 (pid: 12, threadinfo ffff88007c08a000, task ffff88007c090300)
> [ 428.454001] Stack:
> [ 428.454001] ffff880000000000 ffffffff00000000 000000007ea03d28 ffffffff81060993
> [ 428.454001] 0000000000000000 0000000000000000 ffff88007c090300 ffffffff810341dc
> [ 428.454001] 0000000000000001 0000000000000000 ffff88007ea03dc8 ffffffff8106bb92
...
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2012-03-05 16:05 Panic when running 'halt' on 3.2.9-rt15 Luis Claudio R. Goncalves
2012-03-05 19:48 ` Fernando Lopez-Lezcano
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