#systemtap on 2020-06-10 — irc logs at freenode.irclog.whitequark.org

2015-11-12 23:18 fche changed the topic of #systemtap to: http://sourceware.org/systemtap; email systemtap@sourceware.org if answers here not timely, conversations may be logged

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05:11 <hassan64> still getting error (unable to find local 'iov', [man error::dwarf] dieoffset 0x134a190 in kernel), while commenting out line in linux Makefile (-fno-var-tracking-assignments)

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06:02 <hassan64> unable to find local 'iov', [man error::dwarf] dieoffset

06:02 <hassan64> I have been trying to solve it for a long time, but no success

06:03 <hassan64> I have already checked : CONFIG_DBUG_DWARF4 in kernel configuration

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08:17 <hassan64> fche: Any update, why this is an error in stap run

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08:23 <hassan64> secondly, please remove this warning : WARNING: never-assigned local variable

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08:33 <hassan64> I have checked out latest systemtap version

08:34 <hassan64> BTW, Systemtap translator/driver (version 4.3/0.170, commit release-4.2-114-g7d13f15eac2e + changes)

08:34 <hassan64> Can anybody help ?

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08:36 <hassan64> still getting same error i.e error:dwarf. even though it is enabled in kernel configuration

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08:41 <hassan64> I think all errors like (*unable to find local 'size', [man error::dwarf]* , *error: ‘__NR_fadvise64’ undeclared (first use in this function); did you mean ‘vfs_fadvise’?* and *error: invalid application of ‘sizeof’ to incomplete type ‘struct old_timex32’*) are due to systemtap libraries

08:42 <hassan64> And do not know how to fix those on systemtap level

08:45 <hassan64> fche2: Do you know how to fix those. My stap command fail with latest 4.3/0.170 version (though i configure with elfutil 0.177 but it is shown 0.170)

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09:14 <mjw> Nice! Website documentation finally looks awesome again!

09:14 <mjw> Sorry, wrong channel, systemtap website docs were always awesome :)

09:15 <mjw> valgrind finally got its act together. Now even with "cool" pictures: https://www.valgrind.org/docs/manual/manual-core.html#manual-core.xtree

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09:19 <hassan64> fche2: Can you please help me out ?

09:21 <mjw> hassan64, fche2 might still be sleeping around this time

09:21 <hassan64> ok sorry.

09:22 <hassan64> Can you mjw help me, if possible. Thanks

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09:46 <mjw> gone :{

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10:54 <fche2> hassan64, just now we are crazy busy prepping a new release, and operating hypothetically (far from your kernel / arch) is tricky

10:55 <fche2> do you have a machine perhaps where we could log in and try things?

10:57 <hassan64> yes, I have

10:58 <hassan64> you can log onto : ssh hassan@0.tcp.ngrok.io

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11:25 <irker949> systemtap: fche systemtap.git:fche/uprobes-rework * release-4.2-120-gf042e9c0b / tapsets.cxx: TENTATIVE uprobes-inode: rework

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11:26 <fche2> hassan64, debug1: connect to address 3.137.63.131 port 22: Connection refused

11:30 <hassan64> fche2: Please see a seperate chat. i sent

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17:51 <irker282> systemtap: smakarov systemtap.git:master * release-4.2-115-ga1d0bed08 / runtime/linux/kprobes.c: PR26074 fixup: disable #else paths on !USE_KALLSYMS_ON_EACH_SYMBOL

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18:55 <irker282> systemtap: fche systemtap.git:master * release-4.2-116-gda8a2b67f / buildrun.cxx translate.cxx: gcc compatibility: use gcc #pragma to suppress -Wtautological-compare

18:55 <irker282> systemtap: fche systemtap.git:master * release-4.2-117-gcae98fa2a / runtime/linux/uprobes-inode.c tapsets.cxx: uprobes-inode: rework for buildid vs. onthefly work

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