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X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?6fLRkcon62f/ealKeOzPfhXCLhfswfLmBo90S3p52jAQzkdCYpzBmMR3Y/xH?= =?us-ascii?Q?XOywsz4rfjoDCNCqUwnCghBaqro3taEePRe3aYn9BtmubalB1hNQfs5oNvRY?= =?us-ascii?Q?cbT6HbiahF0XskBGZ+3szo+H4BqJx1gNwhhf3rbMuYfg0R7LCjH86/Vf724B?= =?us-ascii?Q?gi59utuwjcdXPqKtzsxlGqShp9O719vWhaK6Sp2MLhjjT5otYoYimzhN2OIe?= =?us-ascii?Q?Qf+iZJyMqDPvpZhWp0reyDJEel9SSew6X6X0kA1bcr52h+czbzKmJx3/Y2hQ?= =?us-ascii?Q?WBysx55rjjF6ssInrrwvTu3mNBlmEFTQqRJRcxaMGQXa+C70qh9dg2FL439M?= =?us-ascii?Q?LBHxbuiPsE5AF+zfWrmdGJ15TYKSck6eSgJIVf5s1pypa8cCfJafm120PKqE?= =?us-ascii?Q?aV4Jzz2YAGzaS4aMWxl2c9ZUsuh9FNktoIFdIbz31KV7tnZF259VBSQD/k7t?= =?us-ascii?Q?pLWlouJt2namcsLf5UkyYWV9t0aF3ZMUypsSv3BW7GxVRNmVyqmYkZIj+q+n?= =?us-ascii?Q?mUCvDJfjQykXNQVsYBgBHU+HggJEEzo3Z0246etEERqXwMrjzAHYLyi76i4M?= =?us-ascii?Q?SU0u3+9dMouZ3YyAhAlDOoGa2JlA6LkvUBwoVFafDYgZWbauLR7+EvBkWK+5?= =?us-ascii?Q?XZzCm0INXbHdsY1eyJqZea9pSIhQ6B19uMR76L8LxGk6P2E606R7wyBVUi/C?= =?us-ascii?Q?dKuIFK65q44awRPTF80AqMv8eAzBu1JdH6XajRxTIkcfhgl/oZaRLChIdkpO?= =?us-ascii?Q?9Q4TG17zLcXZ3qb0givmdNBuAu13XyBkhf3eQQWVsJhCk2m1GGdLDaw34JHA?= =?us-ascii?Q?j7n4r8NWWbB9pE6osS2YwE/8i1fCoikHWJPSKIyTBfTAn+6xIeN7JlfFv+24?= =?us-ascii?Q?ObSLUuLxizRLasNk6YXdOXc+cBf9U+7Ji0ZR6+B59C4RxxS4aR1qGXWqfWIC?= =?us-ascii?Q?Ox6eN2ynOmIGgfr3g8uSD+iqHpJRSBEYWVheVckSJcfYL1CO+ULxhBbMwULK?= =?us-ascii?Q?POQ8lRXC6XtXjOWxB8++9/aMh7Q4+Fbru5VmEmB0nxKQU+MAseHpBeJwwfbh?= =?us-ascii?Q?tUk07xyATJQh31sjktGC6EwqXwjoa0RYFRP6ZkKZDwWnQpWD45pFF5H7AWlh?= =?us-ascii?Q?hJvEIr1r3B0qbj5Qtk59CjPBylUGjAS49WrD1xbkZ+bC+Rk8n6Nl9vFxsNn7?= =?us-ascii?Q?9UoB8rUDFN9pE83HTtRAFHN88ROFQV0+Lv6UadNUGiN08TReX9noksqZDIpc?= =?us-ascii?Q?9Tp8lhBFxtyG2MPz1CDTZ2diBardvIOtUGA9W1clPCnDnJ2ZpSwkpngDRpp3?= =?us-ascii?Q?zP3OjE9o1fgJIvJZlErTlDlBjtQ3E20hUbemxy3OIOB/lw=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 1b480e45-bcbb-4536-4905-08d8f2516cf4 X-MS-Exchange-CrossTenant-AuthSource: BY5PR15MB3571.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Mar 2021 01:24:40.9355 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +fBszAToKrO8pDRPYeelzTo6gjZ2YOgUYBwnVFESFqgLKrjApSfgja/JY2n8cTb2 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2823 X-OriginatorOrg: fb.com X-Proofpoint-ORIG-GUID: Awl6KXZ6yF26KPdn6U4LciMngwgjSuJL X-Proofpoint-GUID: Awl6KXZ6yF26KPdn6U4LciMngwgjSuJL X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-28_14:2021-03-26,2021-03-28 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 clxscore=1011 phishscore=0 malwarescore=0 spamscore=0 impostorscore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 mlxscore=0 bulkscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2103250000 definitions=main-2103290007 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Sun, Mar 28, 2021 at 01:13:35PM -0700, Cong Wang wrote: > On Sat, Mar 27, 2021 at 3:54 PM Alexei Starovoitov > wrote: > > > > On Sat, Mar 27, 2021 at 3:08 PM Cong Wang wrote: > > > BTFIDS vmlinux > > > FAILED unresolved symbol cubictcp_state > > > make: *** [Makefile:1199: vmlinux] Error 255 > > > > > > I suspect it is related to the kernel config or linker version. > > > > > > # grep TCP_CONG .config > > > CONFIG_TCP_CONG_ADVANCED=y > > > CONFIG_TCP_CONG_BIC=m > > > CONFIG_TCP_CONG_CUBIC=y > > .. > > > > > > # pahole --version > > > v1.17 > > > > That is the most likely reason. > > In lib/Kconfig.debug > > we have pahole >= 1.19 requirement for BTF in modules. > > Though your config has CUBIC=y I suspect something odd goes on. > > Could you please try the latest pahole 1.20 ? > > Sure, I will give it a try tomorrow, I am not in control of the CI I ran. Could you also check the CONFIG_DYNAMIC_FTRACE and also try 'y' if it is not set?