Hi Mikael, > From: linux-wireless-owner@xxxxxxxxxxxxxxx [mailto:linux-wireless- > owner@xxxxxxxxxxxxxxx] On Behalf Of Mikael Djurfeldt > Sent: Tuesday, February 16, 2016 4:26 AM > To: linux-wireless@xxxxxxxxxxxxxxx > Cc: Mikael Djurfeldt > Subject: mwifiex driver unstable on MS Surface Pro 4 > > Dear list, > > I'm experiencing problems with the mwifiex_pcie driver on MS Surface Pro > 4 (with the 88W8897 chip). > > The symtom is that the driver only works for a few minutes during which > various error messages is shown in syslog after which the device becomes > unavailable. > > I've tried a bunch of kernels from 4.3 and upwards. > > I'm attaching an example syslog (filtered for mwifiex) during a run > under the 4.5.0-rc4 kernel. > > I should add that I have power management on the device (as displayed > by, e.g., iwconfig) switched off in an attempt to delimit causes of > failure. > Thanks for reporting the problem. 0x107 command has got timed out in the log. Could you please help get the device dump data when problem occurs? Issue below command for this. cat /sys/class/devcoredump/devcdX/data > data.txt Regards, Amitkumar ��.n��������+%������w��{.n�����{���zW����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f