Re: linux-next: Tree for Oct 25

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在 2021/10/28 下午8:48, Stephen Rothwell 写道:
Hi Xianting,

On Thu, 28 Oct 2021 15:59:02 +0800 Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx> wrote:
在 2021/10/28 下午12:51, Stephen Rothwell 写道:
Hi Xianting,

On Thu, 28 Oct 2021 09:51:00 +0800 Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx> wrote:
在 2021/10/27 下午7:42, Stephen Rothwell 写道:
Hi all,

On Mon, 25 Oct 2021 20:49:21 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
There seems to be something amiss with cnosole output in today's release
(at least on my ppc qemu boot tests).
The console output seems to be back today.  I assume its repair had
something to do with commit

     60f41e848492 ("Revert "tty: hvc: pass DMA capable memory to put_chars()"")
   >> hi Stephen,
Thanks for the info, Could you share more details about the issue you met? is it about early console print issue?
Here is the diff between my boot logs:
thanks, I checked the log, Can I understand it as you missed some early bootup log  when use new release?
yes, the console messages stopped for a while when we switched from the
bootconsole to the final hvc0 console.
thanks, it makes sense, this commit broken the early console mechanism, I will submit the fix patch for reviewing soon.

@@ -124,81 +124,9 @@
    clocksource: timebase mult[1f40000] shift[24] registered
    Console: colour dummy device 80x25
    printk: console [hvc0] enabled
- printk: console [hvc0] enabled
- printk: bootconsole [udbg0] disabled
    printk: bootconsole [udbg0] disabled
- pid_max: default: 32768 minimum: 301
- Mount-cache hash table entries: 8192 (order: 0, 65536 bytes, linear)
- Mountpoint-cache hash table entries: 8192 (order: 0, 65536 bytes, linear)
	.
	.
	.



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