From: Jakub Kicinski <kuba@kernel.org>
To: Yonglong Liu <liuyonglong@huawei.com>
Cc: Yunsheng Lin <linyunsheng@huawei.com>, <netdev@vger.kernel.org>,
<davem@davemloft.net>, <edumazet@google.com>, <pabeni@redhat.com>,
<ilias.apalodimas@linaro.org>,
Jesper Dangaard Brouer <hawk@kernel.org>,
Alexander Duyck <alexander.duyck@gmail.com>
Subject: Re: [RFC net] net: make page pool stall netdev unregistration to avoid IOMMU crashes
Date: Fri, 9 Aug 2024 20:57:17 -0700 [thread overview]
Message-ID: <20240809205717.0c966bad@kernel.org> (raw)
In-Reply-To: <758b4d47-c980-4f66-b4a4-949c3fc4b040@huawei.com>
On Fri, 9 Aug 2024 14:06:02 +0800 Yonglong Liu wrote:
> [ 7724.272853] hns3 0000:7d:01.0: page_pool_release_retry(): eno1v0
> stalled pool shutdown: id 553, 82 inflight 6706 sec (hold netdev: 1855491)
Alright :( You gotta look around for those 82 pages somehow with drgn.
bpftrace+kfunc the work that does the periodic print to get the address
of the page pool struct and then look around for pages from that pp.. :(
next prev parent reply other threads:[~2024-08-10 3:57 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-06 15:16 [RFC net] net: make page pool stall netdev unregistration to avoid IOMMU crashes Jakub Kicinski
2024-08-07 7:03 ` Yonglong Liu
2024-08-07 14:27 ` Jakub Kicinski
2024-08-08 1:11 ` Yonglong Liu
2024-08-07 11:00 ` Yunsheng Lin
2024-08-07 14:29 ` Jakub Kicinski
2024-08-08 12:52 ` Yonglong Liu
2024-08-08 14:05 ` Jakub Kicinski
2024-08-09 6:06 ` Yonglong Liu
2024-08-10 3:57 ` Jakub Kicinski [this message]
2024-08-14 10:09 ` Yonglong Liu
2024-08-14 14:56 ` Jakub Kicinski
2024-08-08 11:12 ` Ilias Apalodimas
2024-08-08 13:52 ` Jakub Kicinski
2024-08-08 14:30 ` Ilias Apalodimas
2024-08-08 14:51 ` Jakub Kicinski
2024-09-05 10:47 ` Yunsheng Lin
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