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  • * Re: PROBLEM: Issue with wireless driver after resume from suspend.
       [not found] <20171031065122.GA24662@gmail.com>
       [not found] ` <1509434604.4492.192.camel@coelho.fi>
@ 2017-10-31 16:10 ` Matteo Croce
  2017-11-14  4:44   ` Anil Nair
  1 sibling, 1 reply; 4+ messages in thread
From: Matteo Croce @ 2017-10-31 16:10 UTC (permalink / raw)
  To: Anil Nair; +Cc: linux-wireless, ath10k

On Tue, Oct 31, 2017 at 7:51 AM, Anil Nair <anilcoll90@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@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

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     [not found] <20171031065122.GA24662@gmail.com>
     [not found] ` <1509434604.4492.192.camel@coelho.fi>
2017-10-31  8:31   ` PROBLEM: Issue with wireless driver after resume from suspend Kalle Valo
2017-10-31 12:32     ` Anil Nair
2017-10-31 16:10 ` Matteo Croce
2017-11-14  4:44   ` Anil Nair

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