Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 13 Apr 2001 21:12:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 13 Apr 2001 21:12:18 -0400 Received: from tomts5.bellnexxia.net ([209.226.175.25]:63196 "EHLO tomts5-srv.bellnexxia.net") by vger.kernel.org with ESMTP id ; Fri, 13 Apr 2001 21:12:03 -0400 Content-Type: text/plain; charset=US-ASCII From: Ed Tomlinson Organization: me To: linux-kernel@vger.kernel.org Subject: [BUG] tmpfs and loop Date: Fri, 13 Apr 2001 21:11:26 -0400 X-Mailer: KMail [version 1.2] MIME-Version: 1.0 Message-Id: <01041321112600.23961@oscar> Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, loop and temp fs do not get along well (2.4.3-ac5) oscar% dd if=/dev/zero of=/tmp/disk bs=4096 count=1000 1000+0 records in 1000+0 records out oscar% sudo mke2fs /tmp/disk mke2fs 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09 ... Writing inode tables: done Writing superblocks and filesystem accounting information: done oscar% sudo mount /tmp/disk /snap -oloop -text2 ioctl: LOOP_SET_FD: Invalid argument oscar% sudo mount /tmp/test /snap -oloop -text2 /tmp/test: No such file or directory oscar% ls -l /tmp/test ls: /tmp/test: No such file or directory oscar% sudo mount /tmp/disk /snap -oloop -text2 ioctl: LOOP_SET_FD: Invalid argument oscar% sudo strace mount /tmp/disk /snap -oloop -text2 execve("/bin/mount", ["mount", "/tmp/disk", "/snap", "-oloop", "-text2"], [/* 34 vars */]) = 0 uname({sys="Linux", node="oscar", ...}) = 0 brk(0) = 0x805ac40 open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=66123, ...}) = 0 old_mmap(NULL, 66123, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40017000 close(3) = 0 open("/lib/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0008\322"..., 1024) = 1024 fstat64(3, {st_mode=S_IFREG|0755, st_size=1108076, ...}) = 0 old_mmap(NULL, 1123780, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x40028000 mprotect(0x40131000, 38340, PROT_NONE) = 0 old_mmap(0x40131000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x108000) = 0x40131000 old_mmap(0x40137000, 13764, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40137000 close(3) = 0 munmap(0x40017000, 66123) = 0 getpid() = 24752 brk(0) = 0x805ac40 brk(0x805ac68) = 0x805ac68 brk(0x805b000) = 0x805b000 open("/dev/null", O_RDWR|O_LARGEFILE) = 3 close(3) = 0 brk(0x805c000) = 0x805c000 getuid32() = 0 geteuid32() = 0 lstat64("/etc/mtab", {st_mode=S_IFREG|0644, st_size=262, ...}) = 0 stat64("/dev/loop0", {st_mode=S_IFBLK|0660, st_rdev=makedev(7, 0), ...}) = 0 open("/dev/loop0", O_RDONLY|O_LARGEFILE) = 3 ioctl(3, 0x4c03, 0xbffff7fc) = -1 ENXIO (No such device or address) close(3) = 0 open("/tmp/disk", O_RDWR|O_LARGEFILE) = 3 open("/dev/loop0", O_RDWR|O_LARGEFILE) = 4 mlockall(MCL_CURRENT|MCL_FUTURE) = 0 ioctl(4, 0x4c00, 0x3) = -1 EINVAL (Invalid argument) write(2, "ioctl: LOOP_SET_FD: Invalid argu"..., 37ioctl: LOOP_SET_FD: Invalid argument ) = 37 _exit(32) = ? oscar% Filesystem 1k-blocks Used Available Use% Mounted on tmpfs 768000 2556 765444 1% /tmp Bug? Ed Tomlinson - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/