On Wed, 30 Apr 2014 18:29:48 -0400 Sasha Levin <[email protected]> wrote:
> Signed-off-by: Steven Rostedt <[email protected]> > > Hi Steven, > > It seems that this patch is causing the following for me on -next kernel: Really? This patch has been in the kernel since 3.12. Why would it break something in linux-next. Perhaps something was added to linux-next that doesn't like this patch? -- Steve > > [ 1202.780629] general protection fault: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > [ 1202.782056] Dumping ftrace buffer: > [ 1202.783243] (ftrace buffer empty) > [ 1202.784253] Modules linked in: > [ 1202.784778] CPU: 7 PID: 65 Comm: rcuos/0 Tainted: G W > 3.15.0-rc3-next-201 > 40429-sasha-00015-g7c7e0a7-dirty #427 > [ 1202.787872] task: ffff880035c63000 ti: ffff880035c5c000 task.ti: > ffff880035c5c000 > [ 1202.788722] RIP: rcu_note_context_switch (include/trace/events/rcu.h:20 > kernel/rcu/tree.c:216) > [ 1202.790083] RSP: 0018:ffff880035c5dcc8 EFLAGS: 00010286 > [ 1202.790468] RAX: 6b6b6b6b6b6b6b6b RBX: ffff880034608de8 RCX: > 0000000000000001 > [ 1202.790468] RDX: 0000000000000000 RSI: ffffffffa56dd9ef RDI: > 6b6b6b6b6b6b6b6b > [ 1202.790468] RBP: ffff880035c5dce8 R08: 0000000000000000 R09: > 0000000000000000 > [ 1202.790468] R10: 0000000000000001 R11: 0000000000000000 R12: > ffffffffa56dd9ef > [ 1202.790468] R13: 0000000000000007 R14: ffffffffa6aca2c3 R15: > ffff880036dd0080 > [ 1202.790468] FS: 0000000000000000(0000) GS:ffff8801ecc00000(0000) > knlGS:0000000000000000 > [ 1202.790468] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1202.790468] CR2: 0000000000000004 CR3: 0000000025e2d000 CR4: > 00000000000006a0 > [ 1202.790468] DR0: 00000000006de000 DR1: 00000000006de000 DR2: > 0000000000000000 > [ 1202.790468] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000600 > [ 1202.790468] Stack: > [ 1202.790468] 0000000000000000 ffff880036dd01f0 ffff8801ecdd7840 > 0000000000000007 > [ 1202.790468] ffff880035c5dd68 ffffffffa4571dee ffff880035c5dd08 > ffff880036dd01f0 > [ 1202.790468] ffff880035c5dfd8 00000000001d7840 00000000001d7840 > 00000000001d7840 > [ 1202.790468] Call Trace: > [ 1202.790468] __schedule (arch/x86/include/asm/preempt.h:22 > kernel/sched/core.c:2585 kernel/sched/core.c:2678) > [ 1202.790468] ? prepare_to_wait_event (kernel/sched/wait.c:218 > kernel/sched/wait.c:216) > [ 1202.790468] schedule (kernel/sched/core.c:2765) > [ 1202.790468] rcu_nocb_kthread (kernel/rcu/tree_plugin.h:2234 (discriminator > 9)) > [ 1202.790468] ? rcu_nocb_kthread (kernel/rcu/rcu.h:84 > kernel/rcu/tree_plugin.h:2280) > [ 1202.790468] ? preempt_count_sub (kernel/sched/core.c:2541) > [ 1202.790468] ? bit_waitqueue (kernel/sched/wait.c:291) > [ 1202.790468] ? rcu_cpu_notify (kernel/rcu/tree_plugin.h:2220) > [ 1202.790468] kthread (kernel/kthread.c:210) > [ 1202.790468] ? kthread_create_on_node (kernel/kthread.c:176) > [ 1202.790468] ret_from_fork (arch/x86/kernel/entry_64.S:552) > [ 1202.790468] ? kthread_create_on_node (kernel/kthread.c:176) > [ 1202.790468] Code: 65 ff 0c 25 a0 da 00 00 0f 84 fa 00 00 00 eb 28 0f 1f 84 > 00 00 00 00 00 48 8b 03 0f 1f 44 00 00 48 8b 7b 08 4c 89 e6 48 83 c3 10 <ff> > d0 48 8b 03 48 85 c0 75 eb eb c9 90 44 89 ef e8 e8 71 ff ff > [ 1202.790468] RIP rcu_note_context_switch (include/trace/events/rcu.h:20 > kernel/rcu/tree.c:216) > [ 1202.790468] RSP <ffff880035c5dcc8> > > > Thanks, > Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
