[net-next] WARNING: CPU: 2 PID: 1189 at ../net/core/skbuff.c:5412 skb_try_coalesce+0x354/0x368
From: Grygorii Strashko <grygorii.strashko@ti.com>
Date: 2021-08-05 19:04:34
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@am65xx-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@am65xx-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