- artful -
-- before patch --
ubuntu@awrep7:~$ dmesg | grep -E "GHES|EDAC"
[ 3.160507] EDAC MC: Ver: 3.0.0
[ 4.781212] GHES: APEI firmware first mode is enabled by APEI bit and WHEA
_OSC.
ubuntu@awrep7:~$
-- after patch --
ubuntu@awrep7:~$ uname -a
Linux awrep7 4.14.0-17-generic #20~configs+test.2 SMP Tue Feb 6 20:14:17 UTC
2018 aarch64 aarch64 aarch64 GNU/Linux
ubuntu@awrep7:~$
ubuntu@awrep7:~$ dmesg | grep -E "GHES|EDAC"
[ 3.134436] EDAC MC: Ver: 3.0.0
[ 4.778011] ghes_edac: This EDAC driver relies on BIOS to enumerate memory
and get error reports.
[ 4.820844] EDAC MC0: Giving out device to module ghes_edac.c controller
ghes_edac: DEV ghes (INTERRUPT)
[ 4.830239] EDAC MC1: Giving out device to module ghes_edac.c controller
ghes_edac: DEV ghes (INTERRUPT)
[ 4.839695] EDAC MC2: Giving out device to module ghes_edac.c controller
ghes_edac: DEV ghes (INTERRUPT)
[ 4.849156] EDAC MC3: Giving out device to module ghes_edac.c controller
ghes_edac: DEV ghes (INTERRUPT)
[ 4.858615] EDAC MC4: Giving out device to module ghes_edac.c controller
ghes_edac: DEV ghes (INTERRUPT)
[ 4.868124] GHES: APEI firmware first mode is enabled by APEI bit and WHEA
_OSC.
ubuntu@awrep7:~$
ubuntu@awrep7:~$ sudo ras-mc-ctl --layout
+-----------------------------------------------------------+
| mc0 | mc1 | mc2 | mc3 | mc4 |
----------+-----------------------------------------------------------+
memory11: | 0 MB | 0 MB | 0 MB | 0 MB | 0 MB |
memory10: | 16384 MB | 0 MB | 0 MB | 0 MB | 0 MB |
---------+-----------------------------------------------------------+
memory9: | 0 MB | 0 MB | 0 MB | 0 MB | 0 MB |
memory8: | 16384 MB | 0 MB | 0 MB | 0 MB | 0 MB |
---------+-----------------------------------------------------------+
memory7: | 0 MB | 0 MB | 0 MB | 0 MB | 0 MB |
memory6: | 16384 MB | 0 MB | 0 MB | 0 MB | 0 MB |
---------+-----------------------------------------------------------+
memory5: | 0 MB | 0 MB | 0 MB | 0 MB | 0 MB |
memory4: | 16384 MB | 0 MB | 0 MB | 0 MB | 0 MB |
---------+-----------------------------------------------------------+
memory3: | 0 MB | 0 MB | 0 MB | 0 MB | 0 MB |
memory2: | 16384 MB | 0 MB | 0 MB | 0 MB | 0 MB |
---------+-----------------------------------------------------------+
memory1: | 0 MB | 0 MB | 0 MB | 0 MB | 0 MB |
memory0: | 16384 MB | 0 MB | 0 MB | 0 MB | 0 MB |
---------+------------------------------------------------------------+
ubuntu@awrep7:~$
** Description changed:
[Impact]
Enable CONFIG_EDAC_GHES option for ARM64, so that the memory errors are
processed and reported to the user space.
[Test]
- Test kernel is available in the PPA:
- Tested on QDF2400 platform with Artful user-space and Bionic 4.14 kernel.
Please see comment # for results.
+ Test kernel is available in the PPA:
https://launchpad.net/~centriq-team/+archive/ubuntu/lp1747746
+ Tested on QDF2400 platform with Artful user-space and Bionic 4.14 kernel.
Please see comment #2 for results.
[Regression Potential]
None.
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https://bugs.launchpad.net/bugs/1747746
Title:
[Artful/Bionic] [Config] enable EDAC_GHES for ARM64
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