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Message-ID: <dcf8012a-ffa5-f5ab-af68-5c59a410299f@ti.com>
Date: Thu, 5 Aug 2021 22:04:16 +0300
From: Grygorii Strashko <grygorii.strashko@...com>
To: netdev <netdev@...r.kernel.org>
Subject: [net-next] WARNING: CPU: 2 PID: 1189 at ../net/core/skbuff.c:5412
skb_try_coalesce+0x354/0x368
Hi all
with current net-next is see below splat when run netperf TCP_STREAM
<REMOTE HOST> netperf -l 10 -H 192.168.1.2 -t TCP_STREAM -c -C -j -B "am6 " -s 1 -s 1
Is this know issue?
<FAILED DUT>
root@...5xx-evm:~# uname -a
Linux am65xx-evm 5.14.0-rc3-00973-g372bbdd5bb3f #5 SMP PREEMPT Thu Aug 5 21:57:28 EEST 2021 aarch64 GNU/Linux
root@...5xx-evm:~# [ 227.929271] ------------[ cut here ]------------
[ 227.933917] WARNING: CPU: 2 PID: 1189 at ../net/core/skbuff.c:5412 skb_try_coalesce+0x354/0x368
[ 227.942624] Modules linked in:
[ 227.945679] CPU: 2 PID: 1189 Comm: netserver Not tainted 5.14.0-rc3-00973-g372bbdd5bb3f #5
[ 227.953931] Hardware name: Texas Instruments AM654 Base Board (DT)
[ 227.960098] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)
[ 227.966097] pc : skb_try_coalesce+0x354/0x368
[ 227.970449] lr : tcp_try_coalesce.part.74+0x48/0x180
[ 227.975410] sp : ffff80001544fa40
[ 227.978716] x29: ffff80001544fa40 x28: ffff0008013a0dc0 x27: 0000000000000000
[ 227.985851] x26: 0000000000000000 x25: 0000000000002d20 x24: ffff000809f25240
[ 227.992984] x23: ffff000809f286c0 x22: 0000000000002d40 x21: ffff80001544fac4
[ 228.000118] x20: ffff000807536600 x19: ffff000807535800 x18: 0000000000000000
[ 228.007251] x17: 0000000000000000 x16: 0000000000000000 x15: ffff00080794a882
[ 228.014384] x14: 72657074656e0066 x13: 0000000000000080 x12: ffff000800792e58
[ 228.021517] x11: 0000000000000000 x10: 0000000000000001 x9 : ffff000000000000
[ 228.028650] x8 : 0000000000002798 x7 : 00000000000005a8 x6 : ffff000809f24c82
[ 228.035783] x5 : 0000000000000000 x4 : 0000000000000640 x3 : 0000000000000001
[ 228.042915] x2 : ffff80001544fb57 x1 : 0000000000000007 x0 : ffff000809f286c0
[ 228.050050] Call trace:
[ 228.052490] skb_try_coalesce+0x354/0x368
[ 228.056497] tcp_try_coalesce.part.74+0x48/0x180
[ 228.061108] tcp_queue_rcv+0x12c/0x170
[ 228.064853] tcp_rcv_established+0x558/0x6f8
[ 228.069118] tcp_v4_do_rcv+0x90/0x220
[ 228.072775] __release_sock+0x70/0xb8
[ 228.076439] release_sock+0x30/0x90
[ 228.079926] tcp_recvmsg+0x90/0x1d0
[ 228.083411] inet_recvmsg+0x54/0x128
[ 228.086983] __sys_recvfrom+0xbc/0x148
[ 228.090728] __arm64_sys_recvfrom+0x24/0x38
[ 228.094906] invoke_syscall+0x44/0x100
[ 228.098655] el0_svc_common+0x3c/0xd8
[ 228.102314] do_el0_svc+0x28/0x90
[ 228.105626] el0_svc+0x24/0x38
[ 228.108679] el0t_64_sync_handler+0x90/0xb8
[ 228.112857] el0t_64_sync+0x178/0x17c
[ 228.116517] ---[ end trace 2e0ec9d02424634a ]--- .0
--
Best regards,
grygorii
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