Re: Interaction between iwlwifi and drm-515-kmod lkpi?
Date: Sat, 30 Dec 2023 18:25:46 UTC
On Fri, Dec 22, 2023 at 9:33 PM Kevin Oberman <rkoberman@gmail.com> wrote: > After the ssh vulnerability was announced, I updated my kernel. After > completing the upgrade, it crashed when the system was booted. All stack > dumps showed lots of drm points on hte stack. So, I tried removing the > i915kms from the kld_list in rc.conf. The system booted and started the > wifi without crashing. When I loaded i915kms manually, the system froze. > > I still am wondering if there is some collision in the lkpi when the drm > driver on Alder Lake is present and the wifi starts. While I failed to get > much saved during the multiple reboots, all showed the crash after > wpa_supplcant started. > > Is this remotely possible or just a coincidence? > > I have rolled my system back to 06c083f79dd7 (Dec. 2) just to get it > running with both graphics and wifi. > I have now booted several times with no graphics kmod loaded (i915kms). There have been no failures or panics while booting. One system freeze when loading i915kms. No state messages at all. iwlwifi0: WRT: Invalid buffer destination iwlwifi0: WFPM_UMAC_PD_NOTIFICATION: 0x20 iwlwifi0: WFPM_LMAC2_PD_NOTIFICATION: 0x1f iwlwifi0: WFPM_AUTH_KEY_0: 0x90 iwlwifi0: CNVI_SCU_SEQ_DATA_DW9: 0x0 iwlwifi0: RFIm is deactivated, reason = 4 wlan0: Ethernet address: 70:a8:d3:df:3c:de Created wlan(4) interfaces: wlan0. lo0: link state changed to UP Starting wpa_supplicant. Starting dhclient. wlan0: no link .... wlan0: link state changed to UP got link DHCPREQUEST on wlan0 to 255.255.255.255 port 67 DHCPACK from 192.168.1.1 unknown dhcp option value 0x7d bound to 192.168.1.5 -- renewal in 7200 seconds. Starting Network: lo0 em0 wlan0. I should also mention that, when I manually load i915kms, I do see many WITNESS reports. Do we still keep a list of known ones? -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683