Public bug reported: [Impact] xenial/linux after the update to 4.4.208 upstream stable fails to build tools/perf on environments that don't have libunwind installed.
https://launchpad.net/~canonical-kernel- team/+archive/ubuntu/ppa/+build/18530346/+files/buildlog_ubuntu-xenial- powerpc.linux_4.4.0-172.201_BUILDING.txt.gz [...] builtin-report.c: In function ‘report__setup_sample_type’: builtin-report.c:289:6: error: ‘dwarf_callchain_users’ undeclared (first use in this function) if (dwarf_callchain_users) { ^ [...] This is caused by the following commit from linux-4.4.y: commit faece3af80729763bb28449fa803d12c962571bd Author: Jin Yao <yao....@linux.intel.com> Date: Fri Oct 11 10:21:22 2019 +0800 perf report: Add warning when libunwind not compiled in [ Upstream commit 800d3f561659b5436f8c57e7c26dd1f6928b5615 ] [Fix] Revert the mentioned commit. The variable 'dwarf_callchain_users' was introduced by eabad8c6856f "perf unwind: Do not look just at the global callchain_param.record_mode" which as of now hasn't been backported to stable linux-4.4.y. [Test] Build the kernel on PPA for powerpc, ppc64el and s390x. [Regression Potential] Null. This commit is supposed to only add a warning and is breaking the build for some architectures, so reverting it will not cause any regression for the users. ** Affects: linux (Ubuntu) Importance: Undecided Status: Invalid ** Affects: linux (Ubuntu Xenial) Importance: High Assignee: Kleber Sacilotto de Souza (kleber-souza) Status: In Progress ** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Invalid ** Changed in: linux (Ubuntu Xenial) Status: New => In Progress ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => High ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Kleber Sacilotto de Souza (kleber-souza) ** Description changed: [Impact] xenial/linux after the update to 4.4.208 upstream stable fails to build tools/perf on environments that don't have libunwind installed. https://launchpad.net/~canonical-kernel- team/+archive/ubuntu/ppa/+build/18530346/+files/buildlog_ubuntu-xenial- powerpc.linux_4.4.0-172.201_BUILDING.txt.gz [...] builtin-report.c: In function ‘report__setup_sample_type’: builtin-report.c:289:6: error: ‘dwarf_callchain_users’ undeclared (first use in this function) - if (dwarf_callchain_users) { - ^ + if (dwarf_callchain_users) { + ^ [...] This is caused by the following commit from linux-4.4.y: commit faece3af80729763bb28449fa803d12c962571bd Author: Jin Yao <yao....@linux.intel.com> Date: Fri Oct 11 10:21:22 2019 +0800 - perf report: Add warning when libunwind not compiled in - - [ Upstream commit 800d3f561659b5436f8c57e7c26dd1f6928b5615 ] + perf report: Add warning when libunwind not compiled in + [ Upstream commit 800d3f561659b5436f8c57e7c26dd1f6928b5615 ] [Fix] Revert the mentioned commit. The variable 'dwarf_callchain_users' was introduced by eabad8c6856f "perf unwind: Do not look just at the global callchain_param.record_mode" which as of now hasn't been backported to stable linux-4.4.y. [Test] Build the kernel on PPA for powerpc, ppc64el and s390x. [Regression Potential] - Null. This commit is supposed to only add a warning and is breaking the build for some architectures. + Null. This commit is supposed to only add a warning and is breaking the build for some architectures, so reverting it will not cause any regression for the users. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1858798 Title: tools/perf fails to build after Xenial update to 4.4.208 upstream stable release Status in linux package in Ubuntu: Invalid Status in linux source package in Xenial: In Progress Bug description: [Impact] xenial/linux after the update to 4.4.208 upstream stable fails to build tools/perf on environments that don't have libunwind installed. https://launchpad.net/~canonical-kernel- team/+archive/ubuntu/ppa/+build/18530346/+files/buildlog_ubuntu- xenial-powerpc.linux_4.4.0-172.201_BUILDING.txt.gz [...] builtin-report.c: In function ‘report__setup_sample_type’: builtin-report.c:289:6: error: ‘dwarf_callchain_users’ undeclared (first use in this function) if (dwarf_callchain_users) { ^ [...] This is caused by the following commit from linux-4.4.y: commit faece3af80729763bb28449fa803d12c962571bd Author: Jin Yao <yao....@linux.intel.com> Date: Fri Oct 11 10:21:22 2019 +0800 perf report: Add warning when libunwind not compiled in [ Upstream commit 800d3f561659b5436f8c57e7c26dd1f6928b5615 ] [Fix] Revert the mentioned commit. The variable 'dwarf_callchain_users' was introduced by eabad8c6856f "perf unwind: Do not look just at the global callchain_param.record_mode" which as of now hasn't been backported to stable linux-4.4.y. [Test] Build the kernel on PPA for powerpc, ppc64el and s390x. [Regression Potential] Null. This commit is supposed to only add a warning and is breaking the build for some architectures, so reverting it will not cause any regression for the users. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1858798/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
