This bug was fixed in the package linux-oem - 4.15.0-1056.65
---------------
linux-oem (4.15.0-1056.65) bionic; urgency=medium
[ Ubuntu: 4.15.0-64.73 ]
* powerpc/tm: Fix restoring FP/VMX facility incorrectly on interrupts
(CVE-2019-15031) / powerpc/tm: Fix FP/VMX unavailable exceptions inside a
transaction (CVE-2019-15030) (LP: #1843533) // CVE-2019-15031
- powerpc/tm: Fix FP/VMX unavailable exceptions inside a transaction
- powerpc/tm: Fix restoring FP/VMX facility incorrectly on interrupts
* CVE-2019-14835
- vhost: fix dirty log buffer overflow
-- Stefan Bader <stefan.ba...@canonical.com> Thu, 12 Sep 2019 22:05:22
+0200
** Changed in: linux-oem (Ubuntu Bionic)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-14835
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-15030
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-15031
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https://bugs.launchpad.net/bugs/1842388
Title:
Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff) with
backport-iwlwifi-dkms 7744 against 4.15.0-1051-oem
Status in HWE Next:
New
Status in linux-oem package in Ubuntu:
In Progress
Status in linux-oem source package in Bionic:
Fix Released
Bug description:
[Impact]
There is a new feature added from stable kernel
3fa98d338296 ("PCI / PM: Allow runtime PM without callback functions")
and this feature lead to the backport-iwlwifi dkms driver fails to resume
from runtime suspended.
[Fix]
iwlwifi driver fails if pci_finish_runtime_suspend() is called, so check if
runtime_suspend() function is provided before calling this function.
[Test]
Verified on Dell Precision 5540, wifi keeps working even after S3 test.
[Regression]
Low. pci_finish_runtime_suspend() puts the PCI device into a low power state,
it doesn't hurt if we don't call it, and it passes the 30 times S3 test, so it
should be fine to not to call it if runtime_suspend function is not provided.
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