Re: [PATCH 0/5] earlycon hang under some conditions

On Tue, Jul 18, 2017 at 9:02 AM, Jeffy Chen wrote: > I was testing earlycon with 8250 dw serial console. And it hangs in > these cases: > 1/ kernel hang when calling early write function after free_initmem: > a) the earlycon not disabled after the init code(due to

Re: [PATCH 0/5] earlycon hang under some conditions

Hi, On Mon, Jul 17, 2017 at 11:02 PM, Jeffy Chen wrote: > I was testing earlycon with 8250 dw serial console. And it hangs in > these cases: > 1/ kernel hang when calling early write function after free_initmem: > a) the earlycon not disabled after the init code(due to

Re: [PATCH 0/5] earlycon hang under some conditions

Hi, On Tue, Jul 18, 2017 at 10:51 AM, Brian Norris wrote: > Hi Jeffy, > > On Tue, Jul 18, 2017 at 02:02:53PM +0800, Jeffy Chen wrote: >> I was testing earlycon with 8250 dw serial console. And it hangs in >> these cases: >> 1/ kernel hang when calling early write

Re: [PATCH 0/5] earlycon hang under some conditions

Hi Jeffy, On Tue, Jul 18, 2017 at 02:02:53PM +0800, Jeffy Chen wrote: > I was testing earlycon with 8250 dw serial console. And it hangs in > these cases: > 1/ kernel hang when calling early write function after free_initmem: > a) the earlycon not disabled after the init code(due to keep_bootcon

[PATCH 0/5] earlycon hang under some conditions

I was testing earlycon with 8250 dw serial console. And it hangs in these cases: 1/ kernel hang when calling early write function after free_initmem: a) the earlycon not disabled after the init code(due to keep_bootcon or not specify a real console to switch to) b) the early write func is

[RFC PATCH 0/5] earlycon hang under some conditions

I was testing earlycon with 8250 dw serial console. And it hangs in these cases: 1/ kernel hang when calling early write function after free_initmem: a) the earlycon not disabled after the init code(due to keep_bootcon or not specify a real console to switch to) b) the early write func is