This bug was fixed in the package linux - 5.3.0-12.13
---------------
linux (5.3.0-12.13) eoan; urgency=medium
* Change kernel compression method to improve boot speed (LP: #1840934)
- [Packaging] Add lz4 build dependency for s390x
* Miscellaneous Ubuntu changes
- SAUCE: Remove spl and zfs source
linux (5.3.0-11.12) eoan; urgency=medium
* eoan/linux: 5.3.0-11.12 -proposed tracker (LP: #1844144)
* Suspend to RAM(S3) does not wake up for latest megaraid and mpt3sas
adapters(SAS3.5 onwards) (LP: #1838751)
- PCI: Restore Resizable BAR size bits correctly for 1MB BARs
* s390/setup: Actually init kernel lock down (LP: #1843961)
- SAUCE: (lockdown) s390/setup: Actually init kernel lock down
* cherrypick has_sipl fix (LP: #1843960)
- SAUCE: s390/sclp: Fix bit checked for has_sipl
* Change kernel compression method to improve boot speed (LP: #1840934)
- [Config]: Switch kernel compression from LZO to LZ4 on s390x
* Installation fails on eoan/PowerVM : missing /dev/nvram (LP: #1837726)
- [Config] CONFIG_NVRAM=y for ppc64el
* Miscellaneous Ubuntu changes
- [Config]: remove nvram from ppc64el modules ABI
- [Config] Update annotations for recent config changes
- SAUCE: sched: Add __ASSEMBLY__ guards around struct clone_args
- SAUCE: i2c: qcom-geni: Disable DMA processing on the Lenovo Yoga C630
- SAUCE: arm64: dts: qcom: Add Lenovo Yoga C630
- update dkms package versions
[ Upstream Kernel Changes ]
* Rebase to v5.3
-- Seth Forshee <seth.fors...@canonical.com> Tue, 17 Sep 2019 13:36:26
+0200
** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
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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)
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-osp1 package in Ubuntu:
New
Status in linux source package in Bionic:
Invalid
Status in linux-oem-osp1 source package in Bionic:
Fix Committed
Status in linux source package in Disco:
New
Status in linux-oem-osp1 source package in Disco:
New
Bug description:
[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.
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
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