From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=5.0 tests=DKIM_ADSP_ALL, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 Received: (qmail 25176 invoked from network); 30 Mar 2020 17:22:04 -0000 Received-SPF: pass (mother.openwall.net: domain of lists.openwall.com designates 195.42.179.200 as permitted sender) receiver=inbox.vuxu.org; client-ip=195.42.179.200 envelope-from= Received: from mother.openwall.net (195.42.179.200) by inbox.vuxu.org with UTF8ESMTPZ; 30 Mar 2020 17:22:04 -0000 Received: (qmail 25659 invoked by uid 550); 30 Mar 2020 17:22:00 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 25627 invoked from network); 30 Mar 2020 17:22:00 -0000 To: musl@lists.openwall.com X-PHP-Originating-Script: 501:rcube.php MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Mon, 30 Mar 2020 19:21:48 +0200 From: Johann Hanne Message-ID: X-Sender: jml@hanne.name User-Agent: Roundcube Webmail Subject: [musl] User mode linux error when compiled with musl Hi, I'm compiling user mode linux (kernel 5.5) against musl (toolchain from musl.cc, tried gcc 6 and gcc 9) and getting the following error when booting: -- Run /init as init process userspace - ptrace set fp regs failed, errno = 14 Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b -- build command: make ARCH=um LD_FLAGS_CMDLINE="-static" CROSS_COMPILE=x86_64-linux-musl- run command: ./linux initrd=test.cpio.gz test.cpio.gz contains a statically linked "Hello world" init, which works when UML is built against the host cc with glibc (Ubuntu 16.04, gcc 5, also with "-static"). Any ideas? Regards, Johann