Joel Stanley

possible recursive locking detected when doing fsi rescan

1

``` root@spork-bmc:~# echo 1 > /sys/class/fsi-master/fsi0/rescan [ 5391.476549] [ 5391.478235] ============================================ [ 5391.484171] WARNING: possible recursive locking detected [ 5391.490109] 5.4.32-00259-g49233ddf638c-dirty #169 Not tainted [ 5391.496527] -------------------------------------------- [ 5391.502478] sh/381...

When Linux is running in SMP mode and we crash in a specific way the kernel gets stuck. One cpu sits in the idle loop, while the crashing CPU is...

kmemleak detected in fsi master

1

Running 5.4.28-00243-g757f8a4d828d on tacoma (ast2600) ``` unreferenced object 0xb4c76080 (size 64): comm "openpower-proc-", pid 834, jiffies 4294958303 (age 48632.290s) hex dump (first 32 bytes): 73 6c 61 76 65 40...

Running 5.4.28-00243-g757f8a4d828d on tacoma (ast2600) ``` unreferenced object 0xb5971f00 (size 176): comm "softirq", pid 0, jiffies 874518 (age 39797.180s) hex dump (first 32 bytes): 00 00 00 00 00 00...

On a swift system which appears to have two 128MB BMC NORs we get this: ``` [ 1.170435] aspeed-smc 1e620000.spi: CE2 window [ 0x30000000 - 0x2c000000 ] 4032MB ``` It...

pinctrl error for B7, C7 and pin 233

1

Booting v4.15-rc1 with the Zaius device tree results in this: ``` [ 1.076138] aspeed-g5-pinctrl 1e6e2000.syscon:pinctrl: could not map pin config for "C7" [ 1.076450] aspeed-g5-pinctrl 1e6e2000.syscon:pinctrl: could not map pin...

lockdep warning with 4.6-rc1

5

``` # umount /mnt [ 159.060000] INFO: trying to register non-static key. [ 159.060000] the code is fine but needs lockdep annotation. [ 159.060000] turning off the locking correctness validator....

Kernel boot time

2

The BMC kernel takes about 9 seconds to start on a Romulus machine. The three biggest chunks come from these init calls: * populate_rootfs * aspeed_smc * of_platform_serial_driver_init We should...

4.18.8-00344-gbb5e0c8 with UBSAN enabled on ast2400 ``` [ 413.072688] ================================================================================ [ 413.081278] UBSAN: Undefined behaviour in ./arch/arm/include/asm/bitops.h:297:17 [ 413.088780] negation of -2147483648 cannot be represented in type 'int': [ 413.095627]...

4.18.8-00344-gbb5e0c8 with KCOV and GCC_PLUGIN_STRUCTLEAK turned on. ``` [ 28.871525] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 28.879929] pgd = b9f4bf0b [ 28.882744] [00000000] *pgd=00000000...