[PATCH] ath10k: change len of trace_ath10k_log_dbg_dump for large buffer size

Wen Gong wgong at codeaurora.org
Tue Feb 9 21:24:14 EST 2021


On 2021-02-10 10:14, Brian Norris wrote:
> On Tue, Feb 9, 2021 at 6:12 PM Wen Gong <wgong at codeaurora.org> wrote:
>> On 2021-02-10 03:35, Brian Norris wrote:
>> so this patch is to dump the top 1024 bytes only,
>> its 1st goal is make log smaller.
> 
> Agreed. I wasn't objecting to this patch. I just wanted to highlight
> the second part should probably also be considered as not exclusively
> an ath10k bug:
> 
>> its 2nd effect is fix the crash issue,
> 
> but I guess if you're not testing the latest upstream, it's a little
> hard to tell for sure whether the crash still exist at all anyway...
> 
Yes.
It is hard for me to test with the latest upstream, because the kernel 
is v4.19 for my SDIO chip.
I do not have the environment with latest kernel.:).
If someone use the other environment(not V4.19+SDIO) which is the latest 
kernel,
and if it not crash, it can not conclude it also will not crash on my 
v4.19 for SDIO chip without this patch.:)
It will not crash with this patch on my v4.19 for SDIO, this have been 
verified my me.
If someone want to check the same crash with latest kernel, he/she can 
generate a simulate test and analyze with latest kernel.:)
> Brian



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