[Touch-packages] [Bug 1934505] Re: gdb 11 doesn't work on impish/s390x: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `gdbar

2021-07-11 Thread Bug Watch Updater 
** Changed in: gdb
   Status: Confirmed => Fix Released

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Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Fix Released
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505]

2021-07-11 Thread Simark 
Woops, yes, thanks.

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Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Fix Released
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505]

2021-07-11 Thread Brobecker 
(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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Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Fix Released
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505]

2021-07-09 Thread Simark 
Fixed by that commit.

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https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

To manage notifications about this bug go to:
https://bugs.launchpad.net/gdb/+bug/1934505/+subscriptions

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[Touch-packages] [Bug 1934505]

2021-07-09 Thread Cvs-commit 
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 Linux-specific displaced stepping methods in 
s390_gdbarch_init

According to bug 28056, running an s390x binary gives:

(gdb) run
Starting program: /usr/bin/ls
/home/ubuntu/tmp/gdb-11.0.90.20210705/gdb/linux-tdep.c:2550: 
internal-error: displaced_step_prepare_status 
linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion 
`gdbarch_data->num_disp_step_buffers > 0' failed.

This is because the s390 architecture registers some Linux-specific
displaced stepping callbacks in the OS-agnostic s390_gdbarch_init:

set_gdbarch_displaced_step_prepare (gdbarch, 
linux_displaced_step_prepare);
set_gdbarch_displaced_step_finish (gdbarch, 
linux_displaced_step_finish);
set_gdbarch_displaced_step_restore_all_in_ptid
  (gdbarch, linux_displaced_step_restore_all_in_ptid);

But then the Linux-specific s390_linux_init_abi_any passes
num_disp_step_buffers=0 to linux_init_abi:

linux_init_abi (info, gdbarch, 0);

The problem happens when linux_displaced_step_prepare is called for the
first time.  It tries to allocate the displaced stepping buffers, but
sees that the number of displaced stepping buffers for that architecture
is 0, which is unexpected / invalid.

s390_gdbarch_init should not register the linux_* callbacks, that is
expected to be done by linux_init_abi.  If debugging a bare-metal s390
program, or an s390 program on another OS GDB doesn't know about, we
wouldn't want to use them.  We would either register no callbacks, if
displaced stepping isn't supported, or register a different set of
callbacks if we wanted to support displaced stepping in those cases.

The commit that refactored the displaced stepping machinery and
introduced these set_gdbarch_displaced_step_* calls is 187b041e2514
("gdb: move displaced stepping logic to gdbarch, allow starting
concurrent displaced steps").  However, even before that,
s390_gdbarch_init did:

  set_gdbarch_displaced_step_location (gdbarch, 
linux_displaced_step_location);

... which already seemed wrong.  The Linux-specific callback was used
even for non-Linux system.  Maybe that was on purpose, because it would
also happen to work in some other non-Linux case, or maybe it was simply
a mistake.  I'll assume that this was a small mistake when
s390-tdep.{h,c} where factored out of s390-linux-tdep.c, in d6e589456475
("s390: Split up s390-linux-tdep.c into two files").

Fix this by removing the setting of these displaced step callbacks from
s390_gdbarch_init.  Instead, pass num_disp_step_buffers=1 to
linux_init_abi, in s390_linux_init_abi_any.  Doing so will cause
linux_init_abi to register these same callbacks.  It will also mean that
when debugging a bare-metal s390 executable or an executable on another
OS that GDB doesn't know about, gdbarch_displaced_step_prepare won't be
set, so displaced stepping won't be used.

This patch will need to be merged in the gdb-11-branch, since this is a
GDB 11 regression, so here's the ChangeLog entry:

gdb/ChangeLog:

* s390-linux-tdep.c (s390_linux_init_abi_any): Pass 1 (number
of displaced stepping buffers to linux_init_abi.
* s390-tdep.c (s390_gdbarch_init): Don't set the Linux-specific
displaced-stepping gdbarch callbacks.

Change-Id: Ieab2f8990c78fde845ce7378d6fd4ee2833800d5
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=28056

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-lin

[Touch-packages] [Bug 1934505]

2021-07-09 Thread Cvs-commit 
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 displaced stepping methods in 
s390_gdbarch_init

According to bug 28056, running an s390x binary gives:

(gdb) run
Starting program: /usr/bin/ls
/home/ubuntu/tmp/gdb-11.0.90.20210705/gdb/linux-tdep.c:2550: 
internal-error: displaced_step_prepare_status 
linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion 
`gdbarch_data->num_disp_step_buffers > 0' failed.

This is because the s390 architecture registers some Linux-specific
displaced stepping callbacks in the OS-agnostic s390_gdbarch_init:

set_gdbarch_displaced_step_prepare (gdbarch, 
linux_displaced_step_prepare);
set_gdbarch_displaced_step_finish (gdbarch, 
linux_displaced_step_finish);
set_gdbarch_displaced_step_restore_all_in_ptid
  (gdbarch, linux_displaced_step_restore_all_in_ptid);

But then the Linux-specific s390_linux_init_abi_any passes
num_disp_step_buffers=0 to linux_init_abi:

linux_init_abi (info, gdbarch, 0);

The problem happens when linux_displaced_step_prepare is called for the
first time.  It tries to allocate the displaced stepping buffers, but
sees that the number of displaced stepping buffers for that architecture
is 0, which is unexpected / invalid.

s390_gdbarch_init should not register the linux_* callbacks, that is
expected to be done by linux_init_abi.  If debugging a bare-metal s390
program, or an s390 program on another OS GDB doesn't know about, we
wouldn't want to use them.  We would either register no callbacks, if
displaced stepping isn't supported, or register a different set of
callbacks if we wanted to support displaced stepping in those cases.

The commit that refactored the displaced stepping machinery and
introduced these set_gdbarch_displaced_step_* calls is 187b041e2514
("gdb: move displaced stepping logic to gdbarch, allow starting
concurrent displaced steps").  However, even before that,
s390_gdbarch_init did:

  set_gdbarch_displaced_step_location (gdbarch, 
linux_displaced_step_location);

... which already seemed wrong.  The Linux-specific callback was used
even for non-Linux system.  Maybe that was on purpose, because it would
also happen to work in some other non-Linux case, or maybe it was simply
a mistake.  I'll assume that this was a small mistake when
s390-tdep.{h,c} where factored out of s390-linux-tdep.c, in d6e589456475
("s390: Split up s390-linux-tdep.c into two files").

Fix this by removing the setting of these displaced step callbacks from
s390_gdbarch_init.  Instead, pass num_disp_step_buffers=1 to
linux_init_abi, in s390_linux_init_abi_any.  Doing so will cause
linux_init_abi to register these same callbacks.  It will also mean that
when debugging a bare-metal s390 executable or an executable on another
OS that GDB doesn't know about, gdbarch_displaced_step_prepare won't be
set, so displaced stepping won't be used.

This patch will need to be merged in the gdb-11-branch, since this is a
GDB 11 regression, so here's the ChangeLog entry:

gdb/ChangeLog:

* s390-linux-tdep.c (s390_linux_init_abi_any): Pass 1 (number
of displaced stepping buffers to linux_init_abi.
* s390-tdep.c (s390_gdbarch_init): Don't set the Linux-specific
displaced-stepping gdbarch callbacks.

Change-Id: Ieab2f8990c78fde845ce7378d6fd4ee2833800d5
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=28056

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu"

[Touch-packages] [Bug 1934505]

2021-07-08 Thread Simark 
(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-
patches/2021-July/180752.html

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Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505]

2021-07-07 Thread Simark 
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.

Thanks!

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https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505]

2021-07-07 Thread Matthias Klose 
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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Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505]

2021-07-07 Thread Matthias Klose 
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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https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1934505]

2021-07-07 Thread Simark 
(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 ask you first to double check that you built and tested the
right thing?  If it still fails, I'll need you to do a bit of assisted
debugging, because I don't know what the problem would be.

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

To manage notifications about this bug go to:
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Re: [Touch-packages] [Bug 1934505] Re: gdb 11 doesn't work on impish/s390x: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `g

2021-07-07 Thread Iain Lane 
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!

-- 
Iain Lane  [ i...@orangesquash.org.uk ]
Debian Developer   [ la...@debian.org ]
Ubuntu Developer   [ la...@ubuntu.com ]

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to gdb in Ubuntu.
https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

To manage notifications about this bug go to:
https://bugs.launchpad.net/gdb/+bug/1934505/+subscriptions

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[Touch-packages] [Bug 1934505] Re: gdb 11 doesn't work on impish/s390x: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `gdbar

2021-07-07 Thread Matthias Klose 
fixed in 11.0.90.20210705-0ubuntu2

** Changed in: gdb (Ubuntu)
   Status: Confirmed => Fix Released

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Fix Released

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1934505]

2021-07-06 Thread Matthias Klose 
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
 --disable-dependency-tracking
 --disable-silent-rules
 --disable-gdbtk
 --disable-shared
 --with-system-readline
 --with-pkgversion='Ubuntu 11.0.90.20210705-0ubuntu2'
 --srcdir=/<>
 --with-expat
 --with-system-zlib
 --without-guile
 --without-babeltrace
 --with-debuginfod
 --with-babeltrace
 --with-system-gdbinit=/etc/gdb/gdbinit
 --with-system-gdbinit-dir=/etc/gdb/gdbinit.d
 --enable-tui
 --with-lzma
 --with-python=python3
 --with-xxhash
 --with-mpfr

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to gdb in Ubuntu.
https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Confirmed

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1934505]

2021-07-06 Thread Simark 
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 distro in qemu with the
installer).

See the attached patch, it does fix the issue for me.

However, the inferior always hits this when running:

Program received signal SIGSEGV, Segmentation fault.
0x03ffac312c6c in _dl_debug_initialize () from /lib/ld64.so.1

... and that was happening prior to my patches, and in GDB 10.  I guess
you don't see it?

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Confirmed

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505]

2021-07-06 Thread Matthias Klose 
for a s390x setup, maybe see
https://developer.ibm.com/components/ibm-linuxone/gettingstarted/

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Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Confirmed

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505]

2021-07-06 Thread Simark 
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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Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Confirmed

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505] Re: gdb 11 doesn't work on impish/s390x: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `gdbar

2021-07-05 Thread Iain Lane 
** 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: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1934505

Title:
  gdb 11 doesn't work on impish/s390x: internal-error:
  displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*,
  thread_info*, CORE_ADDR&): Assertion
  `gdbarch_data->num_disp_step_buffers > 0' failed.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Confirmed

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505] Re: gdb 11 doesn't work on impish: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `gdbarch_dat

2021-07-05 Thread Bug Watch Updater 
Launchpad has imported 1 comments from the remote bug at
https://sourceware.org/bugzilla/show_bug.cgi?id=28056.

If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
Launchpad's inter-bugtracker facilities at
https://help.launchpad.net/InterBugTracking.


On 2021-07-05T08:27:01+00:00 Matthias Klose wrote:

seen with the trunk 20210630, and the gdb-12 branch 20210705 on s390x-
linux-gnu:

$ gdb /bin/ls
GNU gdb (Ubuntu 11.0.90.20210705-0ubuntu1) 11.0.90.20210705-git
Copyright (C) 2021 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "s390x-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
.
Find the GDB manual and other documentation resources online at:
.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /bin/ls...
(No debugging symbols found in /bin/ls)
(gdb) run
Starting program: /usr/bin/ls 
/home/ubuntu/tmp/gdb-11.0.90.20210705/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) n
Command aborted.
(gdb)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/gdb/+bug/1934505/comments/1


** Changed in: gdb
   Status: Unknown => Confirmed

** Changed in: gdb
   Importance: Unknown => Medium

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1934505

Title:
  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.

Status in gdb:
  Confirmed
Status in gdb package in Ubuntu:
  Confirmed

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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[Touch-packages] [Bug 1934505] Re: gdb 11 doesn't work on impish: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `gdbarch_dat

2021-07-05 Thread Matthias Klose 
** 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

** Changed in: gdb (Ubuntu)
   Importance: Undecided => High

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1934505

Title:
  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.

Status in gdb:
  Unknown
Status in gdb package in Ubuntu:
  Confirmed

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

To manage notifications about this bug go to:
https://bugs.launchpad.net/gdb/+bug/1934505/+subscriptions

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[Touch-packages] [Bug 1934505] [NEW] gdb 11 doesn't work on impish: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `gdbarch_d

2021-07-02 Thread Iain Lane 
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 Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "s390x-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
.
Find the GDB manual and other documentation resources online at:
.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ls...
(No debugging symbols found in ls)
(gdb) run
Starting program: /usr/bin/ls
/build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) n

This is a bug, please report it.  For instructions, see:
.

/build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) n
Command aborted.
(gdb)

** Affects: gdb (Ubuntu)
 Importance: Undecided
 Status: New

-- 
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https://bugs.launchpad.net/bugs/1934505

Title:
  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.

Status in gdb package in Ubuntu:
  New

Bug description:
  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 Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later 
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  Type "show copying" and "show warranty" for details.
  This GDB was configured as "s390x-linux-gnu".
  Type "show configuration" for configuration details.
  For bug reporting instructions, please see:
  .
  Find the GDB manual and other documentation resources online at:
  .

  For help, type "help".
  Type "apropos word" to search for commands related to "word"...
  Reading symbols from ls...
  (No debugging symbols found in ls)
  (gdb) run
  Starting program: /usr/bin/ls
  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n) n

  This is a bug, please report it.  For instructions, see:
  .

  /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: 
displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, 
thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' 
failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Create a core file of GDB? (y or n) n
  Command aborted.
  (gdb)

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