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OpenBMC Linux kernel source tree
4.18.8-00344-gbb5e0c8 with UBSAN on ast2400 ``` [ 64.571124] ================================================================================ [ 64.579700] UBSAN: Undefined behaviour in ./arch/arm/include/asm/atomic.h:235:1 [ 64.587102] signed integer overflow: [ 64.590760] -2147483648 + -2147483646 cannot be represented in...
``` [ 20.060942] WARNING: possible circular locking dependency detected [ 20.067134] 4.17.2-00135-gf0be3e98c928 #21 Not tainted [ 20.072276] ------------------------------------------------------ [ 20.078466] systemd-tmpfile/554 is trying to acquire lock: [ 20.083966] 3c2944ca (&f->sem){+.+.},...
When moving to the 4.17 based kernel, we updated the defconfig to have this option: ``` │ CONFIG_HARDENED_USERCOPY: │ │ │ │ This option checks for obviously wrong memory regions...
The GPIO subsystem supports get_multiple/set_multiple for chips that allow the configuration of more than one GPIO with a single register read/write. Given this is the case for the ASPEED, look...
I build Linux image using https://github.com/openbmc/openbmc/ for Ziaus machine and tried to boot the Linux using QEMU. Booted successfully, but showing the following messages periodically. [ 125.350000] w1_master_driver w1_bus_master1: Family...
``` root@palm4-bmc:/sys/devices/platform/gpio-fsi/driver# echo gpio-fsi >unbind [ 229.011519] ------------[ cut here ]------------ [ 229.014946] WARNING: CPU: 0 PID: 890 at drivers/base/core.c:818 device_release+0x94/0xa4 [ 229.020844] Device 'fsi0' does not have a release()...
This fails to load the timeriomem_rng driver: ``` syscon: syscon@1e6e2000 { compatible = "aspeed,ast2500-scu", "syscon", "simple-mfd"; reg = ; #address-cells = ; #size-cells = ; #clock-cells = ; #reset-cells =...
Watchdog is pinged by system thread (watchdogd) if it's either active or running, this code is implemented in watchdog_dev.c in watchdog_ping function: ``` if (!watchdog_active(wdd) && !watchdog_hw_running(wdd)) return 0; ```...
``` [ 351.644726] ------------[ cut here ]------------ [ 351.644751] WARNING: CPU: 0 PID: 879 at drivers/gpu/drm/drm_vblank.c:306 drm_crtc_accurate_vbl8 [ 351.644756] This function requires support for accurate vblank timestamps. [ 351.644776] CPU:...
``` # strace fbset 800x600-60 execve("/sbin/fbset", ["fbset", "800x600-60"], 0x7ed71e64 /* 11 vars */) = 0 brk(NULL) = 0x1294000 uname({sysname="Linux", nodename="buildroot", ...}) = 0 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such...