[RFC PATCH 1/1] sched/deadline: Fix RT task potential starvation when expiry time passed

Diederik de Haas didi.debian at cknow.org
Wed Aug 20 05:57:51 PDT 2025


On Wed Jul 30, 2025 at 12:06 PM CEST, Geert Uytterhoeven wrote:
> On Mon, 16 Jun 2025 at 14:39, Kuyo Chang <kuyo.chang at mediatek.com> wrote:
>> From: kuyo chang <kuyo.chang at mediatek.com>
>>
>> [Analysis]
>> ---------
>> The log "sched: DL replenish lagged too much" triggered.
>>
>> Signed-off-by: kuyo chang <kuyo.chang at mediatek.com>
>
> Thanks, this fixes the issue I was seeing!
>
> Closes: https://lore.kernel.org/CAMuHMdXn4z1pioTtBGMfQM0jsLviqS2jwysaWXpoLxWYoGa82w@mail.gmail.com
> Tested-by: Geert Uytterhoeven <geert at linux-m68k.org>

I was seeing this warning as well on several of my Rockchip based
devices, but that is gone after applying this patch. Thanks!

Tested-by: Diederik de Haas <didi.debian at cknow.org>
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