** Description changed:
+ [Impact]
+
Latest megaraid_sas and mpt3sas adapters which support Resizable BAR
with 1 MB BAR size fails to initialize during system resume from S3
sleep.
As per our findings the issue is caused by the below upstream commit:
d3252ace0bc652a1a244455556b6a549f969bf99 ("PCI: Restore resized BAR
state on resume")
We see that the same commit has been ported to UBUNTU18.X - PCI: Restore
resized BAR state on resume (bsc#1105355).
the fix has been submitted to upstream
https://patchwork.kernel.org/patch/11058689/
+ please include this patch in the upcoming releases.please let me know if
+ additional information required.
- please include this patch in the upcoming releases.please let me know if
additional information required.
+ https://bugzilla.kernel.org/show_bug.cgi?id=203939
+
+ [Test case]
+
+ See that suspend/resume works correctly after applying the patch
+
+ [Regression potential]
+
+ slim, itself fixes a regression
** Also affects: linux-oem-osp1 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1838751
Title:
Suspend to RAM(S3) does not wake up for latest megaraid and mpt3sas
adapters(SAS3.5 onwards)
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