Fwd: [PATCH 1/1] arch: arm64: process: Unlock console after SMP stopped

2019-04-12 Thread Jinyoung Park
(Re-sending) I have observed this problem during reboot stress test on my ARM64 architecture board which is NVIDIA Tegra ARM64 CPU reference board. The reboot stress test is to restart the system repeatedly for a long time. The system is set with Kernel log level 8 for logging all kernel messages

Re: [PATCH 1/1] arch: arm64: process: Unlock console after SMP stopped

2019-04-10 Thread Jinyoung Park
I have observed this problem during reboot stress test on my ARM64 architecture board which is NVIDIA Tegra ARM64 CPU reference board. The reboot stress test is to restart the system repeatedly for a long time. The system is set with Kernel log level 8 for logging all kernel messages during the tes

Re: [PATCH 1/1] arch: arm64: process: Unlock console after SMP stopped

2019-04-09 Thread Russell King - ARM Linux admin
On Tue, Apr 09, 2019 at 11:17:14PM +0900, Jinyoung Park wrote: > If the console lock is held by other CPU running while the system is > restarting or shutting down, the Kernel messages in the printk log buffer > can not be printed out to the console drivers. The Kernel messages can be > lost or mes

Re: [PATCH 1/1] arch: arm64: process: Unlock console after SMP stopped

2019-04-09 Thread Will Deacon
On Tue, Apr 09, 2019 at 11:17:14PM +0900, Jinyoung Park wrote: > If the console lock is held by other CPU running while the system is > restarting or shutting down, the Kernel messages in the printk log buffer > can not be printed out to the console drivers. The Kernel messages can be > lost or mes

[PATCH 1/1] arch: arm64: process: Unlock console after SMP stopped

2019-04-09 Thread Jinyoung Park
If the console lock is held by other CPU running while the system is restarting or shutting down, the Kernel messages in the printk log buffer can not be printed out to the console drivers. The Kernel messages can be lost or messed up. This change calls console_unlock after SMP stopped to flush the