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Re: Results of systemtap-20071215 snapshot on ia64

From: William Cohen <wcohen at redhat dot com>
To: Masami Hiramatsu <mhiramat at redhat dot com>
Cc: SystemTAP <systemtap at sources dot redhat dot com>
Date: Mon, 17 Dec 2007 17:17:05 -0500
Subject: Re: Results of systemtap-20071215 snapshot on ia64
References: <4766D098.6010701@redhat.com> <4766D27F.9020804@redhat.com>

Masami Hiramatsu wrote:

Hi Will,

William Cohen wrote:

FAIL: backtrace of yyy_func4.return (0)
FAIL: print_stack of yyy_func4.return (0)


Could you show me the error log in systemtap.log about this testcase?
I saw a patch which fixes this bug was merged into 2.6.24-rc5.
So I expected it would pass on 2.6.24-rc5.

Thank you,

Do you have a pointer to the patch that is suppose to fix this? Below is the output from the systemtap.log file related to those tests.

-Will

backtrace from module("systemtap_test_module2").function("yyy_func3@/home/wcohen/stap_snap_200712152157/src/testsuite/systemtap.context/stapte:

0xa000000200af0020 : yyy_func3+0x0/0x60 [systemtap_test_module2] 0xa000000200af0020 : yyy_func3+0x0/0x60 [systemtap_test_module2] 0xa000000200af00b0 : yyy_func2+0x30/0x60 [systemtap_test_module2] 0xa000000200af0110 : yyy_func1+0x30/0x60 [systemtap_test_module2] 0xa000000200ac8220 : stm_write_cmd+0x100/0x0 [systemtap_test_module1] 0xa0000001001ebaa0 : proc_reg_write+0x120/0x160 [] 0xa0000001001664d0 : vfs_write+0x1d0/0x320 [] 0xa000000100166f50 : sys_write+0x70/0xe0 [] 0xa00000010000b2d0 : ia64_trace_syscall+0xd0/0x110 [] 0xa000000000010720 -------- the call stack is 0xa000000200af0020 0xa000000200af00b0 0xa000000200af0110 0xa000000200ac8220 0xa0000001001ebaa0 0xa0000001001664d0 0xa0000001001 -------- 0xa000000200af0020 : yyy_func3+0x0/0x60 [systemtap_test_module2] 0xa000000200af00b0 : yyy_func2+0x30/0x60 [systemtap_test_module2] 0xa000000200af0110 : yyy_func1+0x30/0x60 [systemtap_test_module2] 0xa000000200ac8220 : stm_write_cmd+0x100/0x0 [systemtap_test_module1] 0xa0000001001ebaa0 : proc_reg_write+0x120/0x160 [] 0xa0000001001664d0 : vfs_write+0x1d0/0x320 [] 0x00000a0000001001 -------- backtrace from module("systemtap_test_module2").function("yyy_func4@/home/wcohen/stap_snap_200712152157/src/testsuite/systemtap.context/stapte:

Returning from: 0xa000000200af0000 : yyy_func4+0x0/0x20 [systemtap_test_module2] Returning to : 0xa000000200af0050 : yyy_func3+0x30/0x60 [systemtap_test_module2] 0xa000000200af0050 : yyy_func3+0x30/0x60 [systemtap_test_module2] 0xa000000200af00b0 : yyy_func2+0x30/0x60 [systemtap_test_module2] 0xa000000200af0110 : yyy_func1+0x30/0x60 [systemtap_test_module2] 0xa000000200ac8220 : stm_write_cmd+0x100/0x0 [systemtap_test_module1] 0xa0000001001ebaa0 : proc_reg_write+0x120/0x160 [] 0xa0000001001664d0 : vfs_write+0x1d0/0x320 [] 0xa000000100166f50 : sys_write+0x70/0xe0 [] 0xa00000010000b2d0 : ia64_trace_syscall+0xd0/0x110 [] 0xa000000000010720 -------- the return stack is 0xa000000200af0050 0xa000000200af00b0 0xa000000200af0110 0xa000000200ac8220 0xa0000001001ebaa0 0xa0000001001664d0 0xa0000001001 -------- 0xa000000200af0050 : yyy_func3+0x30/0x60 [systemtap_test_module2] 0xa000000200af00b0 : yyy_func2+0x30/0x60 [systemtap_test_module2] 0xa000000200af0110 : yyy_func1+0x30/0x60 [systemtap_test_module2] 0xa000000200ac8220 : stm_write_cmd+0x100/0x0 [systemtap_test_module1] 0xa0000001001ebaa0 : proc_reg_write+0x120/0x160 [] 0xa0000001001664d0 : vfs_write+0x1d0/0x320 [] 0x00000a0000001001 -------- backtrace from timer.profile: 0x200000000021c280 -------- the profile stack is 0x200000000021c280 -------- 0x200000000021c280 -------- PASS: backtrace of yyy_func3 PASS: print_stack of yyy_func3 FAIL: backtrace of yyy_func4.return (0) FAIL: print_stack of yyy_func4.return (0) PASS: backtrace of timer.profile PASS: print_stack of timer.profile READY

Follow-Ups:
- Re: Results of systemtap-20071215 snapshot on ia64
  - From: Masami Hiramatsu

References:
- Results of systemtap-20071215 snapshot on ia64
  - From: William Cohen
- Re: Results of systemtap-20071215 snapshot on ia64
  - From: Masami Hiramatsu

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