From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:54497) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UX4DA-0004Rv-QQ for qemu-devel@nongnu.org; Tue, 30 Apr 2013 02:38:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UX4D8-0003lq-Ea for qemu-devel@nongnu.org; Tue, 30 Apr 2013 02:38:48 -0400 Received: from mail-pa0-f42.google.com ([209.85.220.42]:36836) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UX4D8-0003lk-8k for qemu-devel@nongnu.org; Tue, 30 Apr 2013 02:38:46 -0400 Received: by mail-pa0-f42.google.com with SMTP id kl13so178048pab.29 for ; Mon, 29 Apr 2013 23:38:45 -0700 (PDT) From: John Rigby Date: Tue, 30 Apr 2013 00:37:53 -0600 Message-Id: <1367303873-9702-1-git-send-email-john.rigby@linaro.org> Subject: [Qemu-devel] [PATCH v2 06/12] linux-user: AArch64 requires at least 3.8.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel Cc: Peter Maydell , Alexander Graf , Riku Voipio From: Alexander Graf Glibc 1.17 checks for the host kernel version on startup. Unfortunately, it also checks whether the host kernel version is recent enough for the target to run at all. Since AArch64 support only got introduced in 3.8.0, that means that glibc refuses to run on any older kernel version than that. To allow for execution of linux-user guests even on older host kernels, let's always fake the kernel version to 3.8.0 on AArch64 guests. Signed-off-by: Alexander Graf --- linux-user/syscall.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 30e93bc..1c23314 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -316,7 +316,12 @@ static int sys_uname(struct new_utsname *buf) memset(buf, 0, sizeof(*buf)); COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname); COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename); +#ifdef TARGET_AARCH64 + /* glibc refuses to run on older kernels */ + COPY_UTSNAME_FIELD(buf->release, "3.8.0"); +#else COPY_UTSNAME_FIELD(buf->release, uts_buf.release); +#endif COPY_UTSNAME_FIELD(buf->version, uts_buf.version); COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine); #ifdef _GNU_SOURCE -- 1.7.9.5