Latest working kernel version: 2.6.27 Earliest failing kernel version: 2.6.28 Distribution: Debian Sid Hardware Environment: Dell Latitude with ICH2-M TCO device (version 1) Software Environment: Problem Description: Loading iTCO_wdt.ko hangs kernel hard: no ping, no keyboard, no sysrq response. Steps to reproduce: - build and run pristine 2.6.28 - insmod iTCO_wdt.ko
Created attachment 19660 [details] normal 'dmesg' output when watchdog not loaded
Created attachment 19661 [details] .config of kernel
Created attachment 19683 [details] iTCO_wdt.c with extra debugging but without SMI_EN stuff in start and stop Hi Rutger, Can you test this code? Thanks in advance, Wim. PS: which model is this old Dell?
Latest working kernel version: 2.6.27.10 Earliest failing kernel version: 2.6.28 Distribution: Arch Hardware Environment: Intel i815 Chipset with an Intel 82801BA-ICH2 device. (which I use with a PIII 866 MHz) Problem Description: Loading iTCO_wdt.ko hangs kernel, hard reset necessary I compiled the mentioned 1.04-debug driver. No kernel problems. dmesg out after modprobe iTCO_vendor_support and modprobe iTCO_wdt: iTCO_wdt: Intel TCO WatchDog Timer Driver v1.04-debug iTCO_wdt: TCOBASE=0xf860 iTCO_wdt: NO_REBOOT bit unset iTCO_wdt: NO_REBOOT bit set iTCO_wdt: SMI_EN=0x0000002b iTCO_wdt: Found a ICH2 TCO device (Version=1, TCOBASE=0xf860) iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
Patch is in Linus Main tree (part of v2.6.29-rc5). Patch will also be incorporated into the stable tree.