netdev - [BUG?] driver stmmac reports page_pool_release_retry() stalled pool shutdown every minute

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Message-ID: <CAK3+h2wLLoVW_daqow_ygbut=KnDkPbvG_C8rOoyaiyFMnrPLg@mail.gmail.com>
Date: Sun, 31 Aug 2025 19:47:30 -0700
From: Vincent Li <vincent.mc.li@...il.com>
To: netdev@...r.kernel.org, xdp-newbies@...r.kernel.org, 
	loongarch@...ts.linux.dev
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>, 
	Alexandre Torgue <alexandre.torgue@...s.st.com>, Jesper Dangaard Brouer <hawk@...nel.org>, 
	Huacai Chen <chenhuacai@...nel.org>
Subject: [BUG?] driver stmmac reports page_pool_release_retry() stalled pool
 shutdown every minute

Hi,

I noticed once I attached a XDP program to a dwmac-loongson-pci
network device on a loongarch PC, the kernel logs stalled pool message
below every minute, it seems  not to affect network traffic though. it
does not seem to be architecture dependent, so I decided to report
this to netdev and XDP mailing list in case there is a bug in stmmac
related network device with XDP.

xdp-filter load green0

Aug 31 19:19:06 loongfire kernel: [200871.855044] dwmac-loongson-pci
0000:00:03.0 green0: Register MEM_TYPE_PAGE_POOL RxQ-0
Aug 31 19:19:07 loongfire kernel: [200872.810587]
page_pool_release_retry() stalled pool shutdown: id 9, 1 inflight
200399 sec
Aug 31 19:20:07 loongfire kernel: [200933.226488]
page_pool_release_retry() stalled pool shutdown: id 9, 1 inflight
200460 sec
Aug 31 19:21:08 loongfire kernel: [200993.642391]
page_pool_release_retry() stalled pool shutdown: id 9, 1 inflight
200520 sec
Aug 31 19:22:08 loongfire kernel: [201054.058292]
page_pool_release_retry() stalled pool shutdown: id 9, 1 inflight
200581 sec

Thanks!

Vincent