Re: Problems with hfsprogs on G5 Power Macs
On Sun, Dec 30, 2018 at 9:54 PM Frank Scheiner <frank.scheiner@web.de> wrote:
>
> Dear all,
>
> I experienced some major problems with hfsprogs on G5 Power Macs.
>
> Once in a while (already seen multiple times on 11,2 and 7,3 type Power
> Macs) the OS refuses to mount the NewWorld bootstrap - or simply HFS -
> partition that hosts the GRUB installation at startup in read-write
> mode. Trying to check the HFS with `fsck.hfs` always leads to
> segmentation faults (details below).
>
> So one actually cannot repair that issue from a G5 - or maybe not even
> any issue with an HFS at all, because the same also happens when trying
> to check a clean HFS with `fsck.hfs`. The result is that an existing
> GRUB installation can no longer be upgraded on a G5 as soon as someone
> hits that problem. Actually I'm also unsure if my HFS problems were
> created by an unclean shutdown at all.
>
> One could solve this by recreating the HFS partition from scratch and
> restoring the contents (incl. file blessing and file types (i.e.
> `tbxi`)). Or maybe by rewriting a `dd`ed image from a clean HFS - if you
> have one at hand. Trying to repair the partition with `fsck.hfs` from a
> Mac mini G4 (via SATA to USB adapter) worked for me also. But all these
> workarounds are unhandy to the least.
The way you describe this bug makes me think of a 64bits vs 32bits
issue. Next time this happen to you, use a foreign powerpc
installation to run ppc32 binary on your G5.
> The last changelog entry for `hfsprogs` is already from 2013 and the
> used source code from Apple seems to be even older than that (e.g. check
> the used version 332.25 against the versions available from [1]). There
> seems to be some recent progress in Arch Linux (following the discussion
> on [2]) but I'm unsure if this will also apply to NewWorld Power Macs.
> So I dare to say that we have a situation with hfsprogs similar to the
> situation we have with yaboot, maybe even worse, as a critical
> functionality just doesn't work on G5 Power Macs.
>
> [1]: https://opensource.apple.com/source/diskdev_cmds/
> [2]: https://aur.archlinux.org/packages/hfsprogs/
>
> Cheers,
> Frank
>
> ****
>
> ```
> root@powermac-g5-2:~# dmesg | grep hfs
> [ 16.234586] hfs: filesystem was not cleanly unmounted, running
> fsck.hfs is recommended. mounting read-only.
>
> root@powermac-g5-2:~# fsck.hfs -d /dev/sda2
> ** /dev/sda2
> Using cacheBlockSize=32K cacheTotalBlock=1024 cacheSize=32768K.
> ** Checking HFS volume.
> Segmentation fault
>
> root@powermac-g5-2:~# strace fsck.hfs -d /dev/sda2
> execve("/sbin/fsck.hfs", ["fsck.hfs", "-d", "/dev/sda2"], 0x7ffff6dd0670
> /* 17 vars */) = 0
> brk(NULL) = 0x2d210000
> access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
> directory)
> openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=38472, ...}) = 0
> mmap(NULL, 38472, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fffbb2d0000
> close(3) = 0
> access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> openat(AT_FDCWD, "/lib/powerpc64-linux-gnu/libbsd.so.0",
> O_RDONLY|O_CLOEXEC) = 3
> read(3,
> "\177ELF\2\2\1\0\0\0\0\0\0\0\0\0\0\3\0\25\0\0\0\1\0\0\0\0\0\2\345h"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=133368, ...}) = 0
> mmap(NULL, 200880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fffbb290000
> mmap(0x7fffbb2b0000, 131072, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10000) = 0x7fffbb2b0000
> close(3) = 0
> access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> openat(AT_FDCWD, "/lib/powerpc64-linux-gnu/libc.so.6",
> O_RDONLY|O_CLOEXEC) = 3
> read(3,
> "\177ELF\2\2\1\3\0\0\0\0\0\0\0\0\0\3\0\25\0\0\0\1\0\0\0\0\0\36\326\300"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0755, st_size=2046080, ...}) = 0
> mmap(NULL, 2119632, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
> 0) = 0x7fffbb080000
> mprotect(0x7fffbb250000, 65536, PROT_NONE) = 0
> mmap(0x7fffbb260000, 196608, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1d0000) = 0x7fffbb260000
> close(3) = 0
> access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> openat(AT_FDCWD, "/lib/powerpc64-linux-gnu/librt.so.1",
> O_RDONLY|O_CLOEXEC) = 3
> read(3,
> "\177ELF\2\2\1\3\0\0\0\0\0\0\0\0\0\3\0\25\0\0\0\1\0\0\0\0\0\1\367\370"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=69392, ...}) = 0
> mmap(NULL, 134872, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fffbb050000
> mmap(0x7fffbb060000, 131072, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0) = 0x7fffbb060000
> close(3) = 0
> access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> openat(AT_FDCWD, "/lib/powerpc64-linux-gnu/libpthread.so.0",
> O_RDONLY|O_CLOEXEC) = 3
> read(3,
> "\177ELF\2\2\1\3\0\0\0\0\0\0\0\0\0\3\0\25\0\0\0\1\0\0\0\0\0\3\344H"...,
> 832) = 832
> fstat(3, {st_mode=S_IFREG|0755, st_size=237672, ...}) = 0
> mmap(NULL, 281120, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
> = 0x7fffbb000000
> mmap(0x7fffbb030000, 131072, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x20000) = 0x7fffbb030000
> close(3) = 0
> mprotect(0x7fffbb260000, 131072, PROT_READ) = 0
> mprotect(0x7fffbb030000, 65536, PROT_READ) = 0
> mprotect(0x7fffbb060000, 65536, PROT_READ) = 0
> mprotect(0x7fffbb2b0000, 65536, PROT_READ) = 0
> mprotect(0x10030000, 65536, PROT_READ) = 0
> mprotect(0x7fffbb330000, 65536, PROT_READ) = 0
> munmap(0x7fffbb2d0000, 38472) = 0
> set_tid_address(0x7fffbb344250) = 4837
> set_robust_list(0x7fffbb344260, 24) = 0
> rt_sigaction(SIGRTMIN, {sa_handler=0x7fffbb03e3b8, sa_mask=[],
> sa_flags=SA_SIGINFO}, NULL, 8) = 0
> rt_sigaction(SIGRT_1, {sa_handler=0x7fffbb03e3d0, sa_mask=[],
> sa_flags=SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
> rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
> prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024,
> rlim_max=RLIM64_INFINITY}) = 0
> stat("/", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
> stat("/dev/sda2", {st_mode=S_IFBLK|0660, st_rdev=makedev(8, 2), ...}) = 0
> stat("/dev/sda2", {st_mode=S_IFBLK|0660, st_rdev=makedev(8, 2), ...}) = 0
> stat("/dev/sda2", {st_mode=S_IFBLK|0660, st_rdev=makedev(8, 2), ...}) = 0
> openat(AT_FDCWD, "/dev/sda2", O_RDONLY) = 3
> brk(NULL) = 0x2d210000
> brk(0x2d240000) = 0x2d240000
> fstat(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 0), ...}) = 0
> openat(AT_FDCWD, "/dev/sda2", O_WRONLY) = 4
> write(1, "** /dev/sda2\n", 13** /dev/sda2
> ) = 13
> write(1, "\tUsing cacheBlockSize=32K cacheT"..., 65 Using
> cacheBlockSize=32K cacheTotalBlock=1024 cacheSize=32768K.
> ) = 65
> mmap(NULL, 33554432, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
> -1, 0) = 0x7fffb9000000
> fstat(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(8, 2), ...}) = 0
> ioctl(3, BLKGETSIZE64, [10000384]) = 0
> _llseek(3, 0, [0], SEEK_SET) = 0
> read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 32768) = 32768
> _llseek(3, 9994240, [9994240], SEEK_SET) = 0
> read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 32768) = 6144
> write(1, "** Checking HFS volume.\n", 24** Checking HFS volume.
> ) = 24
> _llseek(3, 65536, [65536], SEEK_SET) = 0
> read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 32768) = 32768
> _llseek(3, 98304, [98304], SEEK_SET) = 0
> read(3,
> "\0\0\0\"\0\0\0\36\377\1\0\4\0\0\6\0\0\0\1@\0\0\4\0\0\0\0\0\0\0\0\0"...,
> 32768) = 32768
> --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_BNDERR,
> si_addr=0x8001b901eff4} ---
> +++ killed by SIGSEGV +++
> Segmentation fault
>
> root@powermac-g5-2:~# dmesg | grep hfs
> [ 1593.639820] fsck.hfs[4814]: unhandled signal 11 at 000080019b19eff4
> nip 000000001001e740 lr 0000000010022bd4 code 3
> [ 1663.526515] fsck.hfs[4833]: unhandled signal 11 at 00008001ad9aeff4
> nip 000000001001e740 lr 0000000010022bd4 code 3
> ```
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