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[Bug kprobes/4542] New: systemtap.stress/current.stp crashes on 2.6.22-rc2 kernel
- From: "wcohen at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 23 May 2007 21:51:54 -0000
- Subject: [Bug kprobes/4542] New: systemtap.stress/current.stp crashes on 2.6.22-rc2 kernel
- Reply-to: sourceware-bugzilla at sourceware dot org
When running the systemtap.stress/current.stp on i686 machine with the
2.6.22-rc2 kernel the test crashes.
./stap_snap_200705231900/install/bin/stap -gv
/home/wcohen/stap_snap_200705231900/src/testsuite/systemtap.stress/current.stp
Yields
slingshot.devel.redhat.com login: BUG: unable to handle kernel NULL pointer der0
printing eip:
c030234e
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: stap_c18c8aab9a7aed7921fe30dc73e43aae_306945 ipv6 parport_pcd
CPU: 0
EIP: 0060:[<c030234e>] Not tainted VLI
EFLAGS: 00010002 (2.6.22-rc2 #2)
EIP is at trampoline_handler+0xc8/0x134
eax: d8e09201 ebx: d8e0917c ecx: d8e09220 edx: d8e09200
esi: df4732e0 edi: 00000000 ebp: c4fc6efc esp: c4fc6ed0
ds: 007b es: 007b fs: 0000 gs: 0000 ss: 0068
Process systemtap/0 (pid: 4540, ti=c4fc6000 task=dfc35030 task.ti=c4fc6000)
Stack: c0301d28 ffff4ff0 00000000 00000000 00000082 00000000 d8e0917c df4732e0
00000000 ca687f20 c030226d d8e0917c d8e09220 d8e09220 df4732e0 00000000
ca687f20 d8e09070 0000007b 0000007b 00000000 ffffffff c0302257 00000060
Call Trace:
[<c0301d28>] do_debug+0x34/0xb0
[<c030226d>] kretprobe_trampoline+0x16/0x2f
[<c0302257>] kretprobe_trampoline+0x0/0x2f
[<c0127b69>] worker_thread+0x0/0xd6
[<c0127c00>] worker_thread+0x97/0xd6
[<c012a827>] autoremove_wake_function+0x0/0x33
[<c012a827>] autoremove_wake_function+0x0/0x33
[<c0127b69>] worker_thread+0x0/0xd6
[<c012a479>] kthread+0x33/0x54
[<c012a446>] kthread+0x0/0x54
[<c010472b>] kernel_thread_helper+0x7/0x10
=======================
Code: d7 0d 00 00 81 7c 24 0c 57 22 30 c0 75 04 89 f0 eb 9b 83 7c 24 0c 00 0f 9
EIP: [<c030234e>] trampoline_handler+0xc8/0x134 SS:ESP 0068:c4fc6ed0
BUG: spinlock lockup on CPU#0, systemtap/0/4540, c03ad65c
[<c01d2158>] __spin_lock_debug+0x9a/0xa4
[<c01d21b3>] _raw_spin_lock+0x51/0x62
[<c0301470>] _spin_lock_irqsave+0x9/0xd
[<c0303687>] pre_handler_kretprobe+0x12/0x96
[<c0302fe5>] aggr_pre_handler+0x2e/0x5f
[<c0117d61>] account_system_time+0x1/0x8b
[<c030220d>] kprobe_handler+0xea/0x134
[<c03025fb>] kprobe_exceptions_notify+0x45/0x7d
[<c0302ce2>] notifier_call_chain+0x37/0x65
[<c0302d2e>] atomic_notifier_call_chain+0x17/0x1a
[<c012d57c>] notify_die+0x30/0x34
[<c012ed63>] clocksource_get_next+0x39/0x3f
[<c0301cb5>] do_int3+0x2d/0x6c
[<c030176f>] int3+0x27/0x2c
[<c0117d61>] account_system_time+0x1/0x8b
[<c0121fc0>] update_process_times+0x2d/0x54
[<c012fc62>] tick_periodic+0x62/0x6c
[<c012fc7a>] tick_handle_periodic+0xe/0x5c
[<c0112b5d>] local_apic_timer_interrupt+0x3e/0x41
[<c0112b85>] smp_apic_timer_interrupt+0x25/0x32
[<c01045a8>] apic_timer_interrupt+0x28/0x30
[<c011d55a>] do_exit+0x191/0x374
[<c0222980>] do_unblank_screen+0x2a/0x11d
[<c0104d93>] die+0x199/0x1a1
[<c0302bd1>] do_page_fault+0x45e/0x538
[<c0302604>] kprobe_exceptions_notify+0x4e/0x7d
[<c0302773>] do_page_fault+0x0/0x538
[<c03015e2>] error_code+0x6a/0x70
[<c030234e>] trampoline_handler+0xc8/0x134
[<c0301d28>] do_debug+0x34/0xb0
[<c030226d>] kretprobe_trampoline+0x16/0x2f
[<c0302257>] kretprobe_trampoline+0x0/0x2f
[<c0127b69>] worker_thread+0x0/0xd6
[<c0127c00>] worker_thread+0x97/0xd6
[<c012a827>] autoremove_wake_function+0x0/0x33
[<c012a827>] autoremove_wake_function+0x0/0x33
[<c0127b69>] worker_thread+0x0/0xd6
[<c012a479>] kthread+0x33/0x54
[<c012a446>] kthread+0x0/0x54
[<c010472b>] kernel_thread_helper+0x7/0x10
=======================
--
Summary: systemtap.stress/current.stp crashes on 2.6.22-rc2
kernel
Product: systemtap
Version: unspecified
Status: NEW
Severity: critical
Priority: P2
Component: kprobes
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: wcohen at redhat dot com
GCC host triplet: i686
http://sourceware.org/bugzilla/show_bug.cgi?id=4542
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