* [Bug runtime/12124] New: emit diagnostics on unwind errors
@ 2010-10-14 20:54 fche at redhat dot com
2010-10-17 21:29 ` [Bug runtime/12124] " mjw at redhat dot com
2010-11-08 21:28 ` fche at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: fche at redhat dot com @ 2010-10-14 20:54 UTC (permalink / raw)
To: systemtap
http://sourceware.org/bugzilla/show_bug.cgi?id=12124
Summary: emit diagnostics on unwind errors
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
AssignedTo: systemtap@sources.redhat.com
ReportedBy: fche@redhat.com
Roland reports that the runtime/unwind* code catches a bunch
of errors, but does not give a hint to the user about them,
except via -DDEBUG_UNWIND and/or a smaller-than-expected
result array.
It should _stp_warn() instead, and could limit that to one
message per _stp_module and/or thread-id.
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* [Bug runtime/12124] emit diagnostics on unwind errors
2010-10-14 20:54 [Bug runtime/12124] New: emit diagnostics on unwind errors fche at redhat dot com
@ 2010-10-17 21:29 ` mjw at redhat dot com
2010-11-08 21:28 ` fche at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: mjw at redhat dot com @ 2010-10-17 21:29 UTC (permalink / raw)
To: systemtap
http://sourceware.org/bugzilla/show_bug.cgi?id=12124
Mark Wielaard <mjw at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mjw at redhat dot com
--- Comment #1 from Mark Wielaard <mjw at redhat dot com> 2010-10-17 21:29:34 UTC ---
commit 57aeedd3b1d7cd2c5a68b54836624990dc84ff6c
Author: Mark Wielaard <mjw@redhat.com>
Date: Sun Oct 17 22:51:28 2010 +0200
PR12124 Emit warnings for bad unwind data encountered at runtime.
* runtime/unwind.c: Turn dbug_unwind into _stp_warn when they indicate
bad unwind data in binary.
It doesn't always indicate which module, and it isn't rate limited though. So
keep this bug open in case someone wants to add that.
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* [Bug runtime/12124] emit diagnostics on unwind errors
2010-10-14 20:54 [Bug runtime/12124] New: emit diagnostics on unwind errors fche at redhat dot com
2010-10-17 21:29 ` [Bug runtime/12124] " mjw at redhat dot com
@ 2010-11-08 21:28 ` fche at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: fche at redhat dot com @ 2010-11-08 21:28 UTC (permalink / raw)
To: systemtap
http://sourceware.org/bugzilla/show_bug.cgi?id=12124
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #2 from Frank Ch. Eigler <fche at redhat dot com> 2010-11-08 21:27:42 UTC ---
rate limiting can be done - so so - by staprun itself.
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2010-10-14 20:54 [Bug runtime/12124] New: emit diagnostics on unwind errors fche at redhat dot com
2010-10-17 21:29 ` [Bug runtime/12124] " mjw at redhat dot com
2010-11-08 21:28 ` fche at redhat dot com
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