On Tuesday, October 24, 2017 at 8:50:18 PM UTC-7, Dan Ballard wrote: > I upgraded my netbook from Linux 4.4.67 to 4.9.35 and lost wifi ability on > it. I believe it was an Atheros chip using the ath9k driver. At least with it > I've been able to boot the old 4.4.67 kernel and retain wireless. > > This week I upgraded my laptop to 4.9.45 and it also lost wifi ability with > an Intel iwlwifi driver. And worse, booting old 4.4 kernels is not working > for it. > > What data do I need to gather to help troubleshoot this and fix it?
Intel wifi laptop on boot has this in sys-net. the kernel is clearly disabling it for some reason. Oct 27 07:56:09 sys-net kernel: Intel(R) Wireless WiFi driver for Linux Oct 27 07:56:09 sys-net kernel: Copyright(c) 2003- 2015 Intel Corporation Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: Xen PCI mapped GSI18 to IRQ26 Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: pci frontend enable msi failed for dev 0:0 Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: Xen PCI frontend error: -22! Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: pci_enable_msi failed - -22 Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: loaded firmware version 18.168.6.1 op_mode iwldvm Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: CONFIG_IWLWIFI_DEBUG enabled Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: CONFIG_IWLWIFI_DEBUGFS enabled Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: CONFIG_IWLWIFI_DEVICE_TRACING disabled Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: Detected Intel(R) Centrino(R) Wireless-N 1030 BGN, REV=0xB0 Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: L1 Enabled - LTR Disabled Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0: RF_KILL bit toggled to disable radio. Oct 27 07:56:09 sys-net kernel: ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs' Oct 27 07:56:09 sys-net kernel: iwlwifi 0000:00:00.0 wlp0s0: renamed from wlan0 -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/5baec713-d227-46af-9e0d-b029e53534de%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
