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* [Bug gdb/18060] New: eflags.TF left set after exiting from record mode
@ 2015-02-28 0:14 dje at google dot com
2015-02-28 0:14 ` [Bug record/18060] " dje at google dot com
2015-02-28 0:26 ` palves at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: dje at google dot com @ 2015-02-28 0:14 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18060
Bug ID: 18060
Summary: eflags.TF left set after exiting from record mode
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: dje at google dot com
Not sure how I did this, I can't recreate it with toy programs.
I was playing with recording gdb, and after doing "record stop"
I did "continue" and got a SIGTRAP.
It didn't appear to be a case of an int3 left in the instruction stream.
It turned out to be due to eflags.TF being set.
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* [Bug record/18060] eflags.TF left set after exiting from record mode
2015-02-28 0:14 [Bug gdb/18060] New: eflags.TF left set after exiting from record mode dje at google dot com
@ 2015-02-28 0:14 ` dje at google dot com
2015-02-28 0:26 ` palves at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: dje at google dot com @ 2015-02-28 0:14 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18060
dje at google dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|gdb |record
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* [Bug record/18060] eflags.TF left set after exiting from record mode
2015-02-28 0:14 [Bug gdb/18060] New: eflags.TF left set after exiting from record mode dje at google dot com
2015-02-28 0:14 ` [Bug record/18060] " dje at google dot com
@ 2015-02-28 0:26 ` palves at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: palves at redhat dot com @ 2015-02-28 0:26 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18060
Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |palves at redhat dot com
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
I'd suspect your recording session stepped into a signal handler while
recording, and then you tripped on the kernel bug behind Bug 17511.
A kernel patch for that bug just made it to the mm tree this week...
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end of thread, other threads:[~2015-02-28 0:22 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2015-02-28 0:14 [Bug gdb/18060] New: eflags.TF left set after exiting from record mode dje at google dot com
2015-02-28 0:14 ` [Bug record/18060] " dje at google dot com
2015-02-28 0:26 ` palves at redhat dot com
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