** Changed in: gdb
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1934505
Title:
gdb 11 doesn't work on impish/s390x: internal-error:
Woops, yes, thanks.
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Title:
gdb 11 doesn't work on impish/s390x: internal-error:
displaced_step_prepare_status
(In reply to Simon Marchi from comment #12)
> Fixed by that commit.
Hi Simon. Did you mean to also change the PR status to resolved/fixed,
by any chance?
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Fixed by that commit.
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Title:
gdb 11 doesn't work on impish/s390x: internal-error:
displaced_step_prepare_status
The gdb-11-branch branch has been updated by Simon Marchi
:
https://sourceware.org/git/gitweb.cgi?p=binutils-
gdb.git;h=ff32938d4471ebf6dce462934de8ab47f9fd5d66
commit ff32938d4471ebf6dce462934de8ab47f9fd5d66
Author: Simon Marchi
Date: Thu Jul 8 10:05:16 2021 -0400
gdb: don't set
The master branch has been updated by Simon Marchi
:
https://sourceware.org/git/gitweb.cgi?p=binutils-
gdb.git;h=74b10a3219e44ba2585e3f7226a6455d41e92c1b
commit 74b10a3219e44ba2585e3f7226a6455d41e92c1b
Author: Simon Marchi
Date: Wed Jul 7 08:57:36 2021 -0400
gdb: don't set Linux-specific
(In reply to Matthias Klose from comment #8)
> looking at a 20210706 build, the fix seems to work. Unsure what I did wrong
> yesterday. So the fix would be needed on the trunk and the branch.
Ok, glad to hear that!
Patch posted here: https://sourceware.org/pipermail/gdb-
Ok, well can you check what are the calls to linux_init_abi (put a
breakpoint or add a printf) and tell me what the num_disp_step_buffers
argument values are? I would expect them to be 1.
If you see a call where num_disp_step_buffers is 0, then please provide
the backtrace at that point.
looking at a 20210706 build, the fix seems to work. Unsure what I did
wrong yesterday. So the fix would be needed on the trunk and the
branch.
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yes, double checked,
https://launchpad.net/ubuntu/+source/gdb/11.0.90.20210705-0ubuntu2/+build/21752179
Ubuntu's compiler enables a few hardening flags by default,
-D_FORTIFY_SOURCE=2 -fstack-protector-strong -Wformat -Werror=format-security
but that's unchanged from the gdb 10.2 build.
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(In reply to Matthias Klose from comment #4)
> for a s390x setup, maybe see
> https://developer.ibm.com/components/ibm-linuxone/gettingstarted/
Thanks, that works wonderfully. I tested on a RHEL 8.3 machine, I was
able to reproduce the issue, and the patch fixes it for me there also.
So, can I
On Wed, Jul 07, 2021 at 08:30:32AM -, Matthias Klose wrote:
> fixed in 11.0.90.20210705-0ubuntu2
yep, thanks for reproducing and forwarding!
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fixed in 11.0.90.20210705-0ubuntu2
** Changed in: gdb (Ubuntu)
Status: Confirmed => Fix Released
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Title:
gdb 11
no, that patch doesn't help. the gdb 10.2 build was fine, working
correctly.
gdb: configured with: --build=s390x-linux-gnu
--host=s390x-linux-gnu
--prefix=/usr
--libexecdir=${prefix}/lib/gdb
--disable-werror
--disable-maintainer-mode
Created attachment 13540
Proposed patch
I managed to get a working qemu setup without much efforts using
Buildroot, and I can reproduce the issue. Although if there is a ready-
to-use Ubuntu image I can use, I'd be happy to use it (I just don't want
to go through the trouble of installing the
for a s390x setup, maybe see
https://developer.ibm.com/components/ibm-linuxone/gettingstarted/
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Title:
gdb 11 doesn't
This is clearly related to my change. I don't have access to an s390x
machine to test this... do you have an easy way to set up a qemu machine
or something like that?
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** Summary changed:
- gdb 11 doesn't work on impish: internal-error: displaced_step_prepare_status
linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion
`gdbarch_data->num_disp_step_buffers > 0' failed.
+ gdb 11 doesn't work on impish/s390x: internal-error:
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https://sourceware.org/bugzilla/show_bug.cgi?id=28056.
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** Bug watch added: Sourceware.org Bugzilla #28056
https://sourceware.org/bugzilla/show_bug.cgi?id=28056
** Also affects: gdb via
https://sourceware.org/bugzilla/show_bug.cgi?id=28056
Importance: Unknown
Status: Unknown
** Changed in: gdb (Ubuntu)
Status: New => Confirmed
Public bug reported:
gdb doesn't work on impish/s390x at the minute. Even if you say 'no' to
both questions you still can't debug:
ubuntu@laney-bos01-s390x-2:~/glib-networking-2.66.0/build$ gdb ls
GNU gdb (Ubuntu 11.0.50.20210630-0ubuntu1) 11.0.50.20210630-git
Copyright (C) 2021 Free Software
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