> This is because the device is removed from the PCI bus. Nothing from > iwlwifi side can be done. I am sure the device is not physically disturbed. If that was the case, should it not stay down when restarting the system? > If that happens upon suspend / resume, I know there are been fixes in > PCI bus driver. To my knowledge I have disabled all power/suspend features and I don't see releated logs in journal except the below. Not sure if relevant. Jun 03 21:33:14 zadesk kernel: wlan0: Limiting TX power to 14 (17 - 3) dBm as advertised by d4:5d:df:25:ee:90 Is there a way to restart the module safely without restarting the system? Regards, Bala On Friday, June 7, 2019 5:25:41 AM EDT Emmanuel Grumbach wrote: > On Fri, Jun 7, 2019 at 5:22 AM Balakrishnan Balasubramanian > > <linux-wireless-list@xxxxxxxx> wrote: > > I am using iwd demon for wifi. Once a while I loose connectivity. > > Restarting the demon does not help. But once I restart the system, it > > starts working fine. Attaching stack trace from journal. > > This is because the device is removed from the PCI bus. Nothing from > iwlwifi side can be done. > If that happens upon suspend / resume, I know there are been fixes in > PCI bus driver. If not, check that the device sits correctly in its > socket. > > > Regards, > > Bala > > > > > > ---------- Forwarded message ---------- > > From: Denis Kenzior <denkenz@xxxxxxxxx> > > To: Balakrishnan Balasubramanian <iwd-lists@xxxxxxxx>, iwd@xxxxxxxxxxxx > > Cc: > > Bcc: > > Date: Thu, 06 Jun 2019 18:07:40 -0500 > > Subject: Re: iwd crashes randomly > > Hi Bala, > > > > On 06/06/2019 06:00 PM, Balakrishnan Balasubramanian wrote: > > > Sometimes after a week and sometimes after two days. Once crashed, > > > restarting the service does not help. Had to restart the computer. > > > Attaching stack trace from journal. > > > > That implies that your kernel is crashing, not iwd. The attached log > > shows a kernel stack trace somewhere inside iwlwifi module. I would > > post this trace to linux-wireless@xxxxxxxxxxxxxxx. > > > > If you have an associated iwd backtrace, then certainly post this here, > > but if the kernel module is crashing, there isn't much we can do. > > > > Regards, > > -Denis