| 2019-05-28 20:18:47 |
Manoj Iyer |
bug |
|
|
added bug |
| 2019-05-28 20:40:37 |
Manoj Iyer |
gdb (Ubuntu): status |
New |
In Progress |
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| 2019-05-28 23:03:54 |
Manoj Iyer |
attachment added |
|
Fix tagged pointer support. https://bugs.launchpad.net/ubuntu/+source/gdb/+bug/1830796/+attachment/5267248/+files/gdb-fix-tagged-pointer-support.diff |
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| 2019-05-28 23:04:32 |
Manoj Iyer |
bug |
|
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added subscriber Matthias Klose |
| 2019-05-28 23:04:51 |
Manoj Iyer |
bug |
|
|
added subscriber Dimitri John Ledkov |
| 2019-05-28 23:28:16 |
Manoj Iyer |
description |
[Impact]
GDB fails to debug ARM64 vmlinux debug image with proc/kcore information. For example it is unable to print values of variables like 'jiffies_64'.
[Test]
# gdb /usr/lib/debug/boot/vmlinux-4.18.0-20-generic /proc/kcore
[New process 1]
Core was generated by `BOOT_IMAGE=/boot/vmlinuz-4.18.0-20-generic root=UUID=edb5e5a7-8272-4e13-aa25-37'.
#0 0x0000000000000000 in ?? ()
(gdb) p jiffies_64
Cannot access memory at address 0xffff000009616980
(gdb)
[Fix]
This issue was fixed upstream (git://sourceware.org/git/binutils-gdb.git) by the following patch:
8727de56b0 Fix tagged pointer support
[Regression Potential]
The risk of regression after applying this patch is low, tagged pointer test cases still pass. |
[Impact]
GDB fails to debug ARM64 vmlinux debug image with proc/kcore information. For example it is unable to print values of variables like 'jiffies_64'.
[Test]
# gdb /usr/lib/debug/boot/vmlinux-4.18.0-20-generic /proc/kcore
[New process 1]
Core was generated by `BOOT_IMAGE=/boot/vmlinuz-4.18.0-20-generic root=UUID=edb5e5a7-8272-4e13-aa25-37'.
#0 0x0000000000000000 in ?? ()
(gdb) p jiffies_64
Cannot access memory at address 0xffff000009616980
(gdb)
[Fix]
This issue was fixed upstream (git://sourceware.org/git/binutils-gdb.git) by the following patch:
8727de56b0 Fix tagged pointer support
[Regression Potential]
The risk of regression after applying this patch is low. |
|
| 2019-05-29 00:20:13 |
Ubuntu Foundations Team Bug Bot |
tags |
cn99xx |
cn99xx patch |
|
| 2019-05-29 00:20:20 |
Ubuntu Foundations Team Bug Bot |
bug |
|
|
added subscriber Ubuntu Sponsors Team |
| 2019-05-29 19:15:15 |
Manoj Iyer |
description |
[Impact]
GDB fails to debug ARM64 vmlinux debug image with proc/kcore information. For example it is unable to print values of variables like 'jiffies_64'.
[Test]
# gdb /usr/lib/debug/boot/vmlinux-4.18.0-20-generic /proc/kcore
[New process 1]
Core was generated by `BOOT_IMAGE=/boot/vmlinuz-4.18.0-20-generic root=UUID=edb5e5a7-8272-4e13-aa25-37'.
#0 0x0000000000000000 in ?? ()
(gdb) p jiffies_64
Cannot access memory at address 0xffff000009616980
(gdb)
[Fix]
This issue was fixed upstream (git://sourceware.org/git/binutils-gdb.git) by the following patch:
8727de56b0 Fix tagged pointer support
[Regression Potential]
The risk of regression after applying this patch is low. |
[Impact]
GDB fails to debug ARM64 vmlinux debug image with proc/kcore information. For example it is unable to print values of variables like 'jiffies_64'.
[Test]
# gdb /usr/lib/debug/boot/vmlinux-4.18.0-20-generic /proc/kcore
[New process 1]
Core was generated by `BOOT_IMAGE=/boot/vmlinuz-4.18.0-20-generic root=UUID=edb5e5a7-8272-4e13-aa25-37'.
#0 0x0000000000000000 in ?? ()
(gdb) p jiffies_64
Cannot access memory at address 0xffff000009616980
(gdb)
[Fix]
This issue was fixed upstream (git://sourceware.org/git/binutils-gdb.git) by the following patch:
8727de56b0 Fix tagged pointer support
[Regression Potential]
The risk of regression after applying this patch could be to architectures other than ARM64 due to changes to gdb/util.c. Please see comment #2 where I have tested the PPA package on a ppc64el system and found it does not introduce any regressions. |
|
| 2019-06-02 01:33:05 |
Mathew Hodson |
nominated for series |
|
Ubuntu Bionic |
|
| 2019-06-02 01:33:05 |
Mathew Hodson |
bug task added |
|
gdb (Ubuntu Bionic) |
|
| 2019-06-02 01:33:14 |
Mathew Hodson |
gdb (Ubuntu Bionic): status |
New |
In Progress |
|
| 2019-06-02 01:33:17 |
Mathew Hodson |
gdb (Ubuntu Bionic): importance |
Undecided |
High |
|
| 2019-06-02 01:33:21 |
Mathew Hodson |
gdb (Ubuntu): status |
In Progress |
Fix Released |
|
| 2019-06-28 16:04:41 |
Brian Murray |
removed subscriber Ubuntu Sponsors Team |
|
|
|
| 2019-06-28 16:04:48 |
Brian Murray |
bug |
|
|
added subscriber Brian Murray |
| 2019-07-17 14:18:23 |
Brian Murray |
gdb (Ubuntu Bionic): status |
In Progress |
Fix Committed |
|
| 2019-07-17 14:18:26 |
Brian Murray |
bug |
|
|
added subscriber Ubuntu Stable Release Updates Team |
| 2019-07-17 14:18:29 |
Brian Murray |
bug |
|
|
added subscriber SRU Verification |
| 2019-07-17 14:18:34 |
Brian Murray |
tags |
cn99xx patch |
cn99xx patch verification-needed verification-needed-bionic |
|
| 2019-09-16 13:06:45 |
Manoj Iyer |
tags |
cn99xx patch verification-needed verification-needed-bionic |
cn99xx patch verification-done-bionic verification-needed-bionic |
|
| 2019-09-16 13:07:05 |
Manoj Iyer |
tags |
cn99xx patch verification-done-bionic verification-needed-bionic |
cn99xx patch verification-done verification-done-bionic |
|
| 2019-09-23 09:44:52 |
Launchpad Janitor |
gdb (Ubuntu Bionic): status |
Fix Committed |
Fix Released |
|
| 2019-09-23 09:44:58 |
Łukasz Zemczak |
removed subscriber Ubuntu Stable Release Updates Team |
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