From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17193 invoked by alias); 20 Oct 2009 05:25:07 -0000 Received: (qmail 17073 invoked by uid 48); 20 Oct 2009 05:24:49 -0000 Date: Tue, 20 Oct 2009 05:25:00 -0000 From: "pavan dot naregundi at in dot ibm dot com" To: systemtap@sources.redhat.com Message-ID: <20091020052448.10812.pavan.naregundi@in.ibm.com> Reply-To: sourceware-bugzilla@sourceware.org Subject: [Bug runtime/10812] New: 2.6.32-rc5: Vector: 300 (Data Access) with systemtap tests X-Bugzilla-Reason: AssignedTo Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2009-q4/txt/msg00217.txt.bz2 While executing systemtap tests with this week snapshot saw the following issue, ================= 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c0000000fa7c3940] pc: c00000000004998c: .memcmp+0x18/0x30 lr: d000000002785260: ._stp_ctl_write_cmd+0x250/0x840 [stap_3749988c31b9ae53b507a42e405bc1a8_575696] sp: c0000000fa7c3bc0 msr: 8000000000009032 dar: d0000000015c2064 dsisr: 40000000 current = 0xc0000000f793db00 paca = 0xc000000001482600 pid = 29521, comm = stapio 0:mon> t [link register ] d000000002785260 ._stp_ctl_write_cmd+0x250/0x840 [stap_3749988c31b9ae53b507a42e405bc1a8_575696] [c0000000fa7c3bc0] d00000000278581c ._stp_ctl_write_cmd+0x80c/0x840 [stap_3749988c31b9ae53b507a42e405bc1a8_575696] (unreliable) [c0000000fa7c3ce0] c0000000001ba72c .vfs_write+0xec/0x1f0 [c0000000fa7c3d80] c0000000001ba958 .SyS_write+0x58/0xb0 [c0000000fa7c3e30] c000000000008570 syscall_exit+0x0/0x40 --- Exception: c00 (System Call) at 00000fffb5fa66cc SP (fffe757eff0) is in userspace 0:mon> r R00 = 000000000000006b R16 = 0000000010017b78 R01 = c0000000fa7c3bc0 R17 = 00000fffe757f5b0 R02 = c000000001377d30 R18 = 0000000010008b18 R03 = 00000000000000ec R19 = 0000000010008770 R04 = d0000000015c2063 R20 = d0000000015b051c R05 = 0000000000000014 R21 = d000000002787918 R06 = d0000000027a8938 R22 = 0000000000000014 R07 = 0000000000000048 R23 = d0000000015c2078 R08 = 000000000000005a R24 = d0000000027885e0 R09 = d0000000027bcf00 R25 = d0000000027876c8 R10 = 0000000000000001 R26 = d0000000027c3000 R11 = c000000000049974 R27 = c0000000fa7c3c40 R12 = d0000000027864b0 R28 = 0000000000000008 R13 = c000000001482600 R29 = d000000002838ba0 R14 = 0000000010009fe0 R30 = d0000000027f0038 R15 = 0000000010011af8 R31 = d0000000027e8ba0 pc = c00000000004998c .memcmp+0x18/0x30 lr = d000000002785260 ._stp_ctl_write_cmd+0x250/0x840 [stap_3749988c31b9ae53b507a42e405bc1a8_575696] msr = 8000000000009032 cr = 44000444 ctr = 0000000000000014 xer = 0000000000000000 trap = 300 dar = d0000000015c2064 dsisr = 40000000 0:mon> di %pc c00000000004998c 8c040001 lbzu r0,1(r4) c000000000049990 7c601851 subf. r3,r0,r3 c000000000049994 4102fff4 bdnzt eq,c000000000049988 # .memcmp+0x14/0x30 c000000000049998 4e800020 blr c00000000004999c 38600000 li r3,0 c0000000000499a0 4e800020 blr c0000000000499a4 2c050000 cmpwi r5,0 c0000000000499a8 4081001c ble c0000000000499c4 # .memchr+0x20/0x28 c0000000000499ac 7ca903a6 mtctr r5 c0000000000499b0 3863ffff addi r3,r3,-1 c0000000000499b4 8c030001 lbzu r0,1(r3) c0000000000499b8 7c002000 cmpw r0,r4 c0000000000499bc 4002fff8 bdnzf eq,c0000000000499b4 # .memchr+0x10/0x28 c0000000000499c0 4d820020 beqlr c0000000000499c4 38600000 li r3,0 c0000000000499c8 4e800020 blr 0:mon> ======================== -- Summary: 2.6.32-rc5: Vector: 300 (Data Access) with systemtap tests Product: systemtap Version: unspecified Status: NEW Severity: critical Priority: P2 Component: runtime AssignedTo: systemtap at sources dot redhat dot com ReportedBy: pavan dot naregundi at in dot ibm dot com http://sourceware.org/bugzilla/show_bug.cgi?id=10812 ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee.