Messages in this thread | | | Date | Mon, 19 Jun 2023 11:23:22 +0300 | Subject | Re: [PATCH net-next v10 08/16] tls: Inline do_tcp_sendpages() | From | Tariq Toukan <> |
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On 13/06/2023 14:15, Tariq Toukan wrote: > > > On 07/06/2023 18:03, David Howells wrote: >> Tariq Toukan <ttoukan.linux@gmail.com> wrote: >> >>> My team spotted a new degradation in TLS TX device offload, bisected >>> to this >>> patch. >> >> I presume you're using some hardware (I'm guessing Mellanox?) that can >> actually do TLS offload? Unfortunately, I don't have any hardware >> that can do >> this, so I can't test the tls_device stuff. >> >>> From a quick look at the patch, it's not clear to me what's going >>> wrong. >>> Please let us know of any helpful information that we can provide to >>> help in >>> the debug. >> >> Can you find out what source line this corresponds to? >> >> RIP: 0010:skb_splice_from_iter+0x102/0x300 >> >> Assuming you're building your own kernel, something like the following >> might >> do the trick: >> >> echo "RIP: 0010:skb_splice_from_iter+0x102/0x300" | >> ./scripts/decode_stacktrace.sh /my/built/vmlinux /my/build/tree >> > > Hi, > > It's: > RIP: 0010:skb_splice_from_iter (/usr/linux/net/core/skbuff.c:6957) > > which coresponds to this line: > if (WARN_ON_ONCE(!sendpage_ok(page))) >
Hi David, Any other debug information that we can provide to progress with the analysis?
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