On 06/09/09 at 21:12 +0200, Eugeniy Meshcheryakov wrote: > 6 вересня 2009 о 20:33 +0200 Eugeniy Meshcheryakov написав(-ла): > > Hello, > > > > Do you use 32-bit or 64-bit kernel? Also can you try to remove ~/.stap > > and recompile the probe. I this does not help, try to compile probe with > > -k and check build_id_bits in stap-symbols.h in the tmp directory. > Hmm, it looks like build_id_bits should be correct. Could you send > entire content of struct _stp_module for kernel?
Yes, it matches.
static struct _stp_section _stp_module_0_sections[] = {
{
.name = "_stext",
.size = 0x50f000,
.symbols = _stp_module_0_symbols_0,
.num_symbols = 35969
},
};
static struct _stp_module _stp_module_0 = {
.name = "kernel",
.path = "/usr/lib/debug/lib/modules/2.6.31-rc8/vmlinux",
.dwarf_module_base = 0xc1000000,
.eh_frame_addr = 0x0,
#if defined(STP_USE_DWARF_UNWINDER) && defined(STP_NEED_UNWIND_DATA)
.debug_frame = _stp_module_0_debug_frame,
.debug_frame_len = 699760,
#else
.debug_frame = NULL,
.debug_frame_len = 0,
#endif /* STP_USE_DWARF_UNWINDER && STP_NEED_UNWIND_DATA*/
.eh_frame = NULL,
.eh_frame_len = 0,
.unwind_hdr = NULL,
.unwind_hdr_len = 0,
.sections = _stp_module_0_sections,
.num_sections = sizeof(_stp_module_0_sections)/sizeof(struct _stp_section),
.build_id_bits =
"\xb0\xf4\x53\xc4\x6a\xe8\x6\xae\x8d\x41\xf5\x72\x88\xc6\x4e\x3e\x72\x77\xe6\x48",
.build_id_len = 20,
.build_id_offset = 0xc1242bfc,
.notes_sect = 0,
};
static struct _stp_module *_stp_modules [] = {
& _stp_module_0,
};
static unsigned _stp_num_modules = 1;
static unsigned long _stp_kretprobe_trampoline = 0x23f141;
> Also try to pass -DDEBUG_SYMBOLS=10 to stap, output may be useful. I
> cannot reproduce this problem on amd64.
Gzipped output attached.
Strange ...
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| Lucas Nussbaum
| [email protected] http://www.lucas-nussbaum.net/ |
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debug_symbols.gz
Description: Binary data
