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List:       busybox
Subject:    Re: Uninformative mount error when mounting unknown filesystem
From:       beebee () piments ! com
Date:       2010-06-27 15:16:26
Message-ID: 4C276B4A.6070206 () piments ! com
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On 06/27/10 16:23, Denys Vlasenko wrote:
> strace -oLOG -f mount -t yaffs /dev/sda11 /mnt/tmp

bash-4.1#cat LOG
16283 execve("/bin/mount", ["mount", "-t", "yaffs", "/dev/sda11", 
"/mnt/tmp"], [/* 49 vars */]) = 0
16283 brk(0)                            = 0x805a000
16283 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 
-1, 0) = 0xb7f97000
16283 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or 
directory)
16283 open("/lib/tls/i686/libblkid.so.1", O_RDONLY) = -1 ENOENT (No such 
file or directory)
16283 stat64("/lib/tls/i686", 0xbf9b411c) = -1 ENOENT (No such file or 
directory)
16283 open("/lib/tls/libblkid.so.1", O_RDONLY) = -1 ENOENT (No such file 
or directory)
16283 stat64("/lib/tls", 0xbf9b411c)    = -1 ENOENT (No such file or 
directory)
16283 open("/lib/i686/libblkid.so.1", O_RDONLY) = -1 ENOENT (No such 
file or directory)
16283 stat64("/lib/i686", 0xbf9b411c)   = -1 ENOENT (No such file or 
directory)
16283 open("/lib/libblkid.so.1", O_RDONLY) = 3
16283 read(3, 
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0006\0\0004\0\0\0"..., 
512) = 512
16283 fstat64(3, {st_mode=S_IFREG|0755, st_size=120976, ...}) = 0
16283 mmap2(NULL, 123848, PROT_READ|PROT_EXEC, 
MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7f78000
16283 mmap2(0xb7f94000, 12288, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b) = 0xb7f94000
16283 close(3)                          = 0
16283 open("/lib/libuuid.so.1", O_RDONLY) = 3
16283 read(3, 
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300\16\0\0004\0\0\0"..., 512) 
= 512
16283 fstat64(3, {st_mode=S_IFREG|0755, st_size=13836, ...}) = 0
16283 mmap2(NULL, 16608, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 
3, 0) = 0xb7f73000
16283 mmap2(0xb7f76000, 8192, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2) = 0xb7f76000
16283 close(3)                          = 0
16283 open("/lib/libc.so.6", O_RDONLY)  = 3
16283 read(3, 
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20m\1\0004\0\0\0"..., 
512) = 512
16283 fstat64(3, {st_mode=S_IFREG|0755, st_size=1339768, ...}) = 0
16283 mmap2(NULL, 1345792, PROT_READ|PROT_EXEC, 
MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7e2a000
16283 mmap2(0xb7f6d000, 12288, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x143) = 0xb7f6d000
16283 mmap2(0xb7f70000, 10496, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7f70000
16283 close(3)                          = 0
16283 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 
-1, 0) = 0xb7e29000
16283 set_thread_area({entry_number:-1 -> 6, base_addr:0xb7e29910, 
limit:1048575, seg_32bit:1, contents:0, read_exec_onl :0, 
limit_in_pages:1, seg_not_present:0, useable:1}) = 0
16283 mprotect(0xb7f6d000, 8192, PROT_READ) = 0
16283 mprotect(0xb7f76000, 4096, PROT_READ) = 0
16283 mprotect(0xb7f94000, 8192, PROT_READ) = 0
16283 mprotect(0x8057000, 4096, PROT_READ) = 0
16283 mprotect(0xb7fb5000, 4096, PROT_READ) = 0
16283 open("/usr/lib/locale/locale-archive", O_RDONLY|O_LARGEFILE) = 3
16283 fstat64(3, {st_mode=S_IFREG|0644, st_size=2031152, ...}) = 0
16283 mmap2(NULL, 2031152, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7c39000
16283 close(3)                          = 0
16283 brk(0)                            = 0x805a000
16283 brk(0x807b000)                    = 0x807b000
16283 umask(022)                        = 022
16283 open("/dev/null", O_RDWR|O_LARGEFILE) = 3
16283 close(3)                          = 0
16283 getuid32()                        = 0
16283 geteuid32()                       = 0
16283 readlink("/dev", 0xbf9b360b, 4096) = -1 EINVAL (Invalid argument)
16283 readlink("/dev/sda11", 0xbf9b360b, 4096) = -1 EINVAL (Invalid 
argument)
16283 stat64("/sbin/mount.yaffs", 0xbf9b4420) = -1 ENOENT (No such file 
or directory)
16283 rt_sigprocmask(SIG_BLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0
16283 stat64("/sbin/mount.yaffs", 0xbf9b43f0) = -1 ENOENT (No such file 
or directory)
16283 mount("/dev/sda11", "/mnt/tmp", "yaffs", MS_MGC_VAL, NULL) = -1 
ENODEV (No such device)
16283 rt_sigprocmask(SIG_UNBLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0
16283 open("/proc/filesystems", O_RDONLY|O_LARGEFILE) = 3
16283 fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
16283 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 
-1, 0) = 0xb7c38000
16283 read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 1024) = 300
16283 read(3, "", 1024)                 = 0
16283 close(3)                          = 0
16283 munmap(0xb7c38000, 4096)          = 0
16283 open("/usr/share/locale/locale.alias", O_RDONLY) = 3
16283 fstat64(3, {st_mode=S_IFREG|0644, st_size=2570, ...}) = 0
16283 mmap2(NULL, 65536, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7c29000
16283 read(3, "# Locale name alias data base.\n#"..., 65536) = 2570
16283 read(3, "", 65536)                = 0
16283 close(3)                          = 0
16283 munmap(0xb7c29000, 65536)         = 0
16283 open("/usr/share/locale/en_GB/LC_MESSAGES/util-linux-ng.mo", 
O_RDONLY) = -1 ENOENT (No such file or directory)
16283 open("/usr/share/locale/en/LC_MESSAGES/util-linux-ng.mo", 
O_RDONLY) = -1 ENOENT (No such file or directory)
16283 write(2, "mount: unknown filesystem type '"..., 38) = 38
16283 write(2, "\n", 1)                 = 1
16283 exit_group(32)                    = ?

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