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fb.com X-Proofpoint-ORIG-GUID: TlfFeK2wm3rdFxR2fLBgx9YSTvlNY970 X-Proofpoint-GUID: TlfFeK2wm3rdFxR2fLBgx9YSTvlNY970 Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.761 definitions=2021-05-06_03:2021-05-05,2021-05-06 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 phishscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 malwarescore=0 clxscore=1011 bulkscore=0 impostorscore=0 spamscore=0 mlxlogscore=999 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2105060034 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 06, 2021 at 06:31:57AM +0200, Jiri Slaby wrote: > On 05. 05. 21, 15:56, Michal Such?nek wrote: > > On Mon, Apr 26, 2021 at 09:16:36PM +0200, Jiri Olsa wrote: > > > On Mon, Apr 26, 2021 at 06:03:19PM +0200, Jiri Olsa wrote: > > > > On Mon, Apr 26, 2021 at 08:41:49AM -0700, Yonghong Song wrote: > > > > > > > > > > > > > > > On 4/26/21 5:14 AM, Michal Such?nek wrote: > > > > > > On Mon, Apr 26, 2021 at 02:12:20PM +0200, Michal Such?nek wrote: > > > > > > > On Mon, Apr 26, 2021 at 01:32:15PM +0200, Michal Such?nek wrote: > > > > > > > > On Sun, Apr 25, 2021 at 01:15:45PM +0200, Michal Such?nek wrote: > > > > > > > > > On Fri, Apr 23, 2021 at 07:55:28PM +0200, Michal Such?nek wrote: > > > > > > > > > > On Fri, Apr 23, 2021 at 07:41:29AM -0700, Yonghong Song wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On 4/23/21 6:05 AM, Michal Such?nek wrote: > > > > > > > > > > > > Hello, > > > > > > > > > > > > > > > > > > > > > > > > I see this build error in linux-next (config attached). > > > > > > > > > > > > > > > > > > > > > > > > [ 4939s] LD vmlinux > > > > > > > > > > > > [ 4959s] BTFIDS vmlinux > > > > > > > > > > > > [ 4959s] FAILED unresolved symbol cubictcp_state > > > > > > > > > > > > [ 4960s] make[1]: *** > > > > > > > > > > > > [/home/abuild/rpmbuild/BUILD/kernel-vanilla-5.12~rc8.next.20210422/linux-5.12-rc8-next-20210422/Makefile:1277: > > > > > > > > > > > > vmlinux] Error 255 > > > > > > > > > > > > [ 4960s] make: *** [../Makefile:222: __sub-make] Error 2 > > > > > > > > this one was reported by Jesper and was fixed by upgrading pahole > > > > that contains the new function generation fixes (v1.19) > > > > It needs pahole 1.21 here, 1.19 was not sufficient. Even then it > > regressed again after 5.12 on arm64: > > Could you try against devel:tools? I've removed the ftrace filter from > dwarves there (sr#890247 to factory). > > > LD vmlinux > > ld: warning: -z relro ignored > > BTFIDS vmlinux > > FAILED unresolved symbol cubictcp_state > > make[1]: *** [/home/abuild/rpmbuild/BUILD/kernel-vanilla-5.12.0.13670.g5e321ded302d/linux-5.12-13670-g5e321ded302d/Makefile:1196: vmlinux] Error 255 > > make: *** [../Makefile:215: __sub-make] Error 2 > > > > Any idea what might be wrong with arm64? Can you also try this pahole patch which removes the ftrace filter: https://lore.kernel.org/dwarves/20210506015824.2335125-1-kafai@fb.com/ I have just cross compiled with aarch64-linux-gcc together with the above pahole patch.