Hi, Kernel bug is hit while booting up the next-20081208/09 kernels over the x86_64 box. The IP is pointing to 0x0 and its stuck at __rcu_process_callbacks. Activating logical volumes 4 logical volume(s) in volume group "VolGroup00"BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [<0000000000000000>] 0x0 PGD 3e8ad067 PUD 3e8ac067 PMD 0 Oops: 0010 [#1] SMP last sysfs file: /sys/block/dm-1/removable CPU 3 Modules linked in: Pid: 0, comm: swapper Not tainted 2.6.28-rc7-next-20081209-autotest #1 RIP: 0010:[<0000000000000000>] [<0000000000000000>] 0x0 RSP: 0018:ffff88003fa73ef0 EFLAGS: 00010286 RAX: ffff88003eae0500 RBX: ffff880001047040 RCX: ffffffff80268f66 RDX: 0000000000000000 RSI: ffffe20000fab800 RDI: ffff88003eae0500 RBP: 0000000000000000 R08: ffff880001047040 R09: ffffffff80853950 R10: 0000000000000038 R11: ffffffff8032222d R12: 0000000000000005 R13: 0000000000000038 R14: 0000000000000009 R15: 0000000000000018 FS: 000000000066d870(0000) GS:ffff88003f803f00(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000000 CR3: 000000003e8a9000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 0, threadinfo ffff88003fa64000, task ffff88003f9dde00) Stack: ffffffff80268f66 ffff88003fa73ef8 0000000000000100 0000000000000001 ffffffff807400b8 0000000000000038 ffffffff80269001 0000000000000018 ffffffff8023b891 ffffffff8020e79e 0000000000000046 ffff88003fa73f80 Call Trace: <IRQ> <0> [<ffffffff80268f66>] __rcu_process_callbacks+0x14e/0x1c3 [<ffffffff80269001>] rcu_process_callbacks+0x26/0x4a [<ffffffff8023b891>] __do_softirq+0x76/0x136 [<ffffffff8020e79e>] profile_pc+0x21/0x5b [<ffffffff8020d03c>] call_softirq+0x1c/0x28 [<ffffffff8020e091>] do_softirq+0x2c/0x6c [<ffffffff8021e018>] smp_apic_timer_interrupt+0x93/0xac [<ffffffff8020ca73>] apic_timer_interrupt+0x13/0x20 <EOI> <0>Code: Bad RIP value. RIP [<0000000000000000>] 0x0 RSP <ffff88003fa73ef0> CR2: 0000000000000000 ---[ end trace 69ecde41a682e571 ]--- Kernel panic - not syncing: Fatal exception in interrupt Pid: 0, comm: swapper Tainted: G D 2.6.28-rc7-next-20081209-autotest #1 Call Trace: Mounting root fi <IRQ> lesystem. [<ffffffff80236e7d>] panic+0x86/0x144 [<ffffffff8020ca73>] apic_timer_interrupt+0x13/0x20 [<ffffffff8051fd57>] oops_end+0x61/0xad [<ffffffff8051fd96>] oops_end+0xa0/0xad [<ffffffff805215ac>] do_page_fault+0x748/0x801 [<ffffffff8051f3af>] page_fault+0x1f/0x30 [<ffffffff8032222d>] selinux_cred_free+0x0/0x14 BUG: unable to handle kernel NULL pointer dereference at 0000000000000002 IP: [<ffffffff802926da>] kmem_cache_alloc+0x6a/0x99 PGD 3e8ad067 PUD 3e8ac067 PMD 0 Oops: 0000 [#2] SMP last sysfs file: /sys/block/ram7/removable CPU 2 Modules linked in: Pid: 1, comm: init Tainted: G D 2.6.28-rc7-next-20081209-autotest #1 RIP: 0010:[<ffffffff802926da>] [<ffffffff802926da>] kmem_cache_alloc+0x6a/0x99 RSP: 0018:ffff88003f9d7db8 EFLAGS: 00010002 RAX: 0000000000000000 RBX: 0000000000000246 RCX: 0000000000000001 RDX: ffff880001037800 RSI: 0000000000000002 RDI: ffffffff80854f70 RBP: 0000000000000020 R08: 0000000000000000 R09: ffffffff80859a80 R10: 0000000000000001 R11: ffff88003f426018 R12: ffffffff80854f70 R13: ffffffff80253ab1 R14: 0000000000000080 R15: ffffffff802b4141 FS: 000000000066d870(0063) GS:ffff88003f803c80(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000002 CR3: 000000003e8a9000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process init (pid: 1, threadinfo ffff88003f9d6000, task ffff88003f9d8000) Stack: 00000000ffffffff ffff88003f426000 ffffffff80859a80 ffffffff80859a80 0000000000000000 ffffffff80253ab1 00000000006f1db0 0000000000000000 ffff88003eb6a2f8 ffff88003f9d7e48 0000000000000000 01ff88003e97c400 Call Trace: [<ffffffff80253ab1>] ? smp_call_function_many+0xdb/0x220 [<ffffffff802704ca>] ? do_writepages+0x23/0x30 [<ffffffff802b4141>] ? invalidate_bh_lru+0x0/0x42 [<ffffffff80253c16>] ? smp_call_function+0x20/0x24 [<ffffffff8023b483>] ? on_each_cpu+0x10/0x22 [<ffffffff802b919b>] ? kill_bdev+0x1b/0x30 [<ffffffff802b9892>] ? __blkdev_put+0x54/0x151 [<ffffffff8029899f>] ? __fput+0xe7/0x1b4 [<ffffffff802961ea>] ? filp_close+0x5e/0x66 [<ffffffff8029627f>] ? sys_close+0x8d/0xd1 [<ffffffff8020bf5b>] ? system_call_fastpath+0x16/0x1b Code: 18 03 00 00 48 8b 32 44 8b 72 18 48 85 f6 75 18 49 89 d0 89 ee 4c 89 e9 83 ca ff 4c 89 e7 e8 57 f8 ff ff 48 89 c6 eb 0a 8b 42 14 <48> 8b 04 c6 48 89 02 53 9d 31 c0 c1 ed 0f 48 85 f6 0f 95 c0 85 RIP [<ffffffff802926da>] kmem_cache_alloc+0x6a/0x99 RSP <ffff88003f9d7db8> CR2: 0000000000000002 ---[ end trace 69ecde41a682e571 ]--- Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: init Tainted: G D 2.6.28-rc7-next-20081209-autotest #1 Call Trace: [<ffffffff80236e7d>] panic+0x86/0x144 [<ffffffff802abbfb>] mntput_no_expire+0x1e/0x139 [<ffffffff802961ea>] filp_close+0x5e/0x66 [<ffffffff8023870d>] exit_fs+0x35/0x46 [<ffffffff80239b7a>] do_exit+0x75/0x766 [<ffffffff8051fd9e>] oops_end+0xa8/0xad [<ffffffff805215ac>] do_page_fault+0x748/0x801 [<ffffffff80253ab1>] smp_call_function_many+0xdb/0x220 [<ffffffff802b4141>] invalidate_bh_lru+0x0/0x42 [<ffffffff8051f3af>] page_fault+0x1f/0x30 [<ffffffff802b4141>] invalidate_bh_lru+0x0/0x42 [<ffffffff80253ab1>] smp_call_function_many+0xdb/0x220 [<ffffffff802926da>] kmem_cache_alloc+0x6a/0x99 [<ffffffff80253ab1>] smp_call_function_many+0xdb/0x220 [<ffffffff802704ca>] do_writepages+0x23/0x30 [<ffffffff802b4141>] invalidate_bh_lru+0x0/0x42 [<ffffffff80253c16>] smp_call_function+0x20/0x24 [<ffffffff8023b483>] on_each_cpu+0x10/0x22 [<ffffffff802b919b>] kill_bdev+0x1b/0x30 [<ffffffff802b9892>] __blkdev_put+0x54/0x151 [<ffffffff8029899f>] __fput+0xe7/0x1b4 [<ffffffff802961ea>] filp_close+0x5e/0x66 [<ffffffff8029627f>] sys_close+0x8d/0xd1 [<ffffffff8020bf5b>] system_call_fastpath+0x16/0x1b BUG: unable to handle kernel NULL pointer dereference at 0000000000000002 IP: [<ffffffff802926da>] kmem_cache_alloc+0x6a/0x99 PGD 0 Oops: 0000 [#3] SMP last sysfs file: /sys/block/ram7/removable CPU 2 Modules linked in: Pid: 1, comm: init Tainted: G D 2.6.28-rc7-next-20081209-autotest #1 RIP: 0010:[<ffffffff802926da>] [<ffffffff802926da>] kmem_cache_alloc+0x6a/0x99 RSP: 0018:ffff88003f9d7a58 EFLAGS: 00010002 RAX: 0000000000000000 RBX: 0000000000000246 RCX: 0000000000000001 RDX: ffff880001037800 RSI: 0000000000000002 RDI: ffffffff80854f70 RBP: 0000000000000020 R08: ffffffff8052a5c0 R09: ffffffff80859a80 R10: 0000000000000000 R11: ffffffff8067c887 R12: ffffffff80854f70 R13: ffffffff80253ab1 R14: 0000000000000080 R15: ffffffff80211dd3 FS: 000000000066d870(0000) GS:ffff88003f803c80(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000002 CR3: 0000000000201000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process init (pid: 1, threadinfo ffff88003f9d6000, task ffff88003f9d8000) Stack: 00000000ffffffff ffff88003f9d8000 ffffffff80859a80 ffffffff80859a80 0000000000000000 ffffffff80253ab1 ffffffff8052a5c0 ffff88003fa3bfc0 0000000000000000 ffffffff8020e525 0000000000000010 000000003e943800 Call Trace: [<ffffffff80253ab1>] ? smp_call_function_many+0xdb/0x220 [<ffffffff8020e525>] ? dump_trace+0x223/0x232 [<ffffffff80253c16>] ? smp_call_function+0x20/0x24 [<ffffffff8021ccc1>] ? native_smp_send_stop+0x1a/0x26 [<ffffffff80236e91>] ? panic+0x9a/0x144 [<ffffffff802abbfb>] ? mntput_no_expire+0x1e/0x139 [<ffffffff802961ea>] ? filp_close+0x5e/0x66 [<ffffffff8023870d>] ? exit_fs+0x35/0x46 [<ffffffff80239b7a>] ? do_exit+0x75/0x766 [<ffffffff8051fd9e>] ? oops_end+0xa8/0xad [<ffffffff805215ac>] ? do_page_fault+0x748/0x801 [<ffffffff80253ab1>] ? smp_call_function_many+0xdb/0x220 [<ffffffff802b4141>] ? invalidate_bh_lru+0x0/0x42 [<ffffffff8051f3af>] ? page_fault+0x1f/0x30 [<ffffffff802b4141>] ? invalidate_bh_lru+0x0/0x42 [<ffffffff80253ab1>] ? smp_call_function_many+0xdb/0x220 [<ffffffff802926da>] ? kmem_cache_alloc+0x6a/0x99 [<ffffffff80253ab1>] ? smp_call_function_many+0xdb/0x220 [<ffffffff802704ca>] ? do_writepages+0x23/0x30 [<ffffffff802b4141>] ? invalidate_bh_lru+0x0/0x42 [<ffffffff80253c16>] ? smp_call_function+0x20/0x24 [<ffffffff8023b483>] ? on_each_cpu+0x10/0x22 [<ffffffff802b919b>] ? kill_bdev+0x1b/0x30 [<ffffffff802b9892>] ? __blkdev_put+0x54/0x151 [<ffffffff8029899f>] ? __fput+0xe7/0x1b4 [<ffffffff802961ea>] ? filp_close+0x5e/0x66 [<ffffffff8029627f>] ? sys_close+0x8d/0xd1 [<ffffffff8020bf5b>] ? system_call_fastpath+0x16/0x1b Code: 18 03 00 00 48 8b 32 44 8b 72 18 48 85 f6 75 18 49 89 d0 89 ee 4c 89 e9 83 ca ff 4c 89 e7 e8 57 f8 ff ff 48 89 c6 eb 0a 8b 42 14 <48> 8b 04 c6 48 89 02 53 9d 31 c0 c1 ed 0f 48 85 f6 0f 95 c0 85 RIP [<ffffffff802926da>] kmem_cache_alloc+0x6a/0x99 RSP <ffff88003f9d7a58> CR2: 0000000000000002 ---[ end trace 69ecde41a682e571 ]--- Fixing recursive fault but reboot is needed! [<ffffffff80268f66>] __rcu_process_callbacks+0x14e/0x1c3 [<ffffffff80268f66>] __rcu_process_callbacks+0x14e/0x1c3 [<ffffffff80269001>] rcu_process_callbacks+0x26/0x4a [<ffffffff8023b891>] __do_softirq+0x76/0x136 [<ffffffff8020e79e>] profile_pc+0x21/0x5b [<ffffffff8020d03c>] call_softirq+0x1c/0x28 [<ffffffff8020e091>] do_softirq+0x2c/0x6c [<ffffffff8021e018>] smp_apic_timer_interrupt+0x93/0xac [<ffffffff8020ca73>] apic_timer_interrupt+0x13/0x20 <EOI> -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
