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[2a00:1028:838d:271e:8e3b:4aff:fe4c:a100]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-490454a0cd5sm371483025e9.10.2026.05.26.00.31.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 26 May 2026 00:31:11 -0700 (PDT) Message-ID: Date: Tue, 26 May 2026 09:31:11 +0200 Precedence: bulk X-Mailing-List: linux-modules@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: build failure for stablerc To: =?UTF-8?Q?Toralf_F=C3=B6rster?= Cc: linux-modules@vger.kernel.org, linux-kbuild , Linux Kernel References: Content-Language: en-US From: Petr Pavlu In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 5/25/26 9:39 PM, Toralf Förster wrote: > Hi, > > at a small Hetzner VPS at x86 the compilation of the stablerc v7.0.5-1656-ge79d5c5d57c0 fails under Ubuntu-26.04 with > >  WRAP    arch/x86/include/generated/asm/mmiowb.h >  WRAP    arch/x86/include/generated/asm/module.lds.h >  WRAP    arch/x86/include/generated/asm/rwonce.h >  UPD     include/generated/utsrelease.h >  CC      /root/linux/tools/objtool/libsubcmd/run-command.o >  HOSTCC  scripts/gendwarfksyms/gendwarfksyms.o > In file included from scripts/gendwarfksyms/gendwarfksyms.c:12: > scripts/gendwarfksyms/gendwarfksyms.h:6:10: fatal error: dwarf.h: No such file or directory >    6 | #include >      |          ^~~~~~~~~ > compilation terminated. > make[3]: *** [scripts/Makefile.host:131: scripts/gendwarfksyms/gendwarfksyms.o] Error 1 > make[2]: *** [scripts/Makefile.build:548: scripts/gendwarfksyms] Error 2 > make[1]: *** [/root/linux/Makefile:1325: scripts] Error 2 > make[1]: *** Waiting for unfinished jobs.... >  CC      /root/linux/tools/objtool/libsubcmd/sigchain.o Gendwarfksyms requires libdw, see Documentation/kbuild/gendwarfksyms.rst [1]. Is the library and its development files installed on your system? If you write a trivial program that includes , can the compiler find it in the default search locations? [1] https://github.com/torvalds/linux/blob/v7.1-rc5/Documentation/kbuild/gendwarfksyms.rst -- Petr