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[Bug runtime/3452] New: staprun crash ppc64
- From: "guanglei at cn dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 3 Nov 2006 09:16:46 -0000
- Subject: [Bug runtime/3452] New: staprun crash ppc64
- Reply-to: sourceware-bugzilla at sourceware dot org
I tried the latest CVS, and found it will crash my ppc64 box on both
2.6.17/2.6.18 kernel immediately after Pass 5. This should be introduced during
recent checkin since I had no problems played with stap only one or two days ago.
Here is the xmon message:
7:mon> e
cpu 0x7: Vector: 300 (Data Access) at [c0000000ea05b8e0]
pc: c000000000032018: .strcmp+0x10/0x24
lr: d00000000011aefc: ._stp_proc_write_cmd+0x908/0x9d0
[stap_a11ddcd2df661cc3454d0dcaf7e4fa7c_424]
sp: c0000000ea05bb60
msr: 8000000000009032
dar: cfffffff0015700a
dsisr: 40010000
current = 0xc0000000e869a000
paca = 0xc00000000056f200
pid = 15260, comm = staprun
7:mon> t
[link register ] d00000000011aefc ._stp_proc_write_cmd+0x908/0x9d0
[stap_a11ddcd2df661cc3454d0dcaf7e4fa7c_424]
[c0000000ea05bb60] d00000000011ae48 ._stp_proc_write_cmd+0x854/0x9d0
[stap_a11ddcd2df661cc3454d0dcaf7e4fa7c_424] (unreliable)
[c0000000ea05bcf0] c0000000000c1768 .vfs_write+0xe0/0x1b0
[c0000000ea05bd90] c0000000000c1910 .sys_write+0x4c/0x8c
[c0000000ea05be30] c00000000000861c syscall_exit+0x0/0x40
--- Exception: c01 (System Call) at 000000000fc3c9d4
SP (ff8ba310) is in userspace
7:mon> r
R00 = 0000000000003a19 R16 = 0000000008028c78
R01 = c0000000ea05bb60 R17 = 0000000008028cb0
R02 = c00000000073f5a8 R18 = 0000000000000000
R03 = 000000000000005f R19 = 0000000000000000
R04 = cfffffff00157009 R20 = 00000000f7f90008
R05 = d00000000011cf60 R21 = 00000000f7e8f00c
R06 = 7461727400000000 R22 = 000000001001bcd0
R07 = d000000000134b40 R23 = 0000000000003a1a
R08 = 0000000000003a1a R24 = 00000000f7f9000c
R09 = d000000000124a28 R25 = d000000000134b40
R10 = d0000000000fe1a0 R26 = d00000000011cf60
R11 = c000000000032008 R27 = 0000000000041df5
R12 = d00000000011be40 R28 = c0000001e78dde80
R13 = c00000000056f200 R29 = 0000000000003a19
R14 = 0000000000000001 R30 = d00000000012bd00
R15 = 0000000000000000 R31 = d0000000000c4000
pc = c000000000032018 .strcmp+0x10/0x24
lr = d00000000011aefc ._stp_proc_write_cmd+0x908/0x9d0
[stap_a11ddcd2df661cc3454d0dcaf7e4fa7c_424]
msr = 8000000000009032 cr = 44000444
ctr = c000000000032008 xer = 0000000020000020 trap = 300
dar = cfffffff0015700a dsisr = 40010000
7:mon>
--
Summary: staprun crash ppc64
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: guanglei at cn dot ibm dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=3452
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