PROBLEM: Issue with wireless driver after resume from suspend.

[Anil Nair]

On Tue, Oct 31, 2017 at 05:10:25PM +0100, Matteo Croce wrote:
> On Tue, Oct 31, 2017 at 7:51 AM, Anil Nair <anilcoll90 at gmail.com> wrote:
> > Hi All,
> >
> > I am having a issue with the wireless driver in my laptop. Attached information
> > pertaining to the issue.
> >
> >   [1.] One line summary of the problem:
> >
> >   Wifi not working after resuming from suspend state.
> >
> >   [2.] Full description of the problem/report:
> >
> >   I had put my laptop in suspend mode, after resmuing the laptop from suspend
> >   mode wifi stopped working, or rather not responding I tried switching the
> >   airplane mode on then off still no effect.
> >
> >   [3.] Keywords (i.e., modules, networking, kernel):
> >
> >   Networking particularly Wireless Networking.
> >
> >   [4.] Kernel information
> >
> >   4.13.5
> >
> >   [4.1.] Kernel version (from /proc/version):
> >
> >   Linux version 4.13.5anil-1017 (root at anilnair-lenovo)
> >   (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.5))
> >   #1 SMP Sat Oct 14 12:30:16 IST 2017
> >
> >   [4.2.] Kernel .config file:
> >
> >   Attached in the below mail file named config_kernel.txt
> >
> >   [5.] Most recent kernel version which did not have the bug:
> >
> >   4.4.0
> >
> >   [6.] Output of Oops.. message (if applicable) with symbolic information
> >        resolved (see Documentation/admin-guide/oops-tracing.rst)
> >
> >   Attached in the below mail file named error_log.txt
> >
> >   [8.1.] Software (add the output of the ver_linux script here)
> >
> >   Attached in the below mail file named software_version.txt
> >
> >   [8.2.] Processor information (from /proc/cpuinfo):
> >
> >   Attached in the below mail file named cpu_config.txt
> >
> >   [8.3.] Module information (from /proc/modules):
> >
> >   Attached in the below mail file named modules_config.txt
> >
> >   [8.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem)
> >
> >   Attached in the below mail file named ioports_config.txt,iomem_config.txt,
> >
> >   [8.5.] PCI information ('lspci -vvv' as root)
> >
> >   Attached in the below mail file named pci_config.txt
> >
> >   [8.6.] SCSI information (from /proc/scsi/scsi)
> >
> >   Attached in the below mail file named cpu_config.txt
> >
> >   [X.] Other notes, patches, fixes, workarounds:
> >
> >   A reboot fixes the issue.
> >
> >   All Files are compressed in the tar and sent.
> >   Let me know what went wrong and how can i fix it.
> >   Let me know if any further information is required.
> >
> >   Thanking You.
> >
> >   --
> >   Regards,
> >   Anil Nair
> >
> 
> I have the same issue with ath10k and kernel 4.13.10.
> If I suspend the system when the card is up it won't work anymore
> until I rmmod and modprobe ath10k_pci again.
> rmmod after suspend can take up to 10 minutes and sometimes crashes the system.
> Removing the driver _before_ suspend and inserting it back after
> resume actually works and it's what I'm using as not-so-temporary
> workaround.
> 
> Regards,
> -- 
> Matteo Croce
> per aspera ad upstream

Hi,

Ping a reminder regarding this issue.
if the issue has been fixed in the recent kernel release do let me know i would to try it out.

--
Regards,
Anil Nair