Can't boot anymore

Hi,
Since my Filevault file corrupted (I know filevault isn't a good idea)I can't start my Ibook anymore.
It always stuck on the gray apple screen.
So I tried the command key CMD-V to see the system load status.
I found that when my Ibook start,it stop to load at the line:
"Feb 28 18:13:24 localhost mDNSResponder[158]: mDNSResponder-58.8 (apr 24 2004 00:15:05)starting".
If someone know how to fix my problem, he/she will be a GOD for me, because I don't want to lose all my data.
Thanks
Kingb1975
ibook g4 Mac OS X (10.3.4)
ibook g4 Mac OS X (10.3.4)

Try things in Mac101 (no offense) and Apple doc.#106464 for your startup issue.
Also, try using Disk Utility to repair your startup disk (hard drive) as shown in Dr.Smokes Resolving Disk, Permission, and Cache Corruption. His link will help walk you thru it.
Cheers!
DALE

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[solved] power outage on SSD - can't boot anymore

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The last line of journalctl -xb says :
Failed at step EXEC spawning /bin/plymouth: no such file or directory, error 2
My system is installed on a SSD, Crucial M4 250GB.
Last edited by OlaffTheGreat (2013-09-21 15:41:41)

Well, I see a lot is beeing said about run levels and systemd. Like many of you, if I had the use of init, I have to learn more about systemd before to be at ease. For the moment I'm still quiet buffled.
For now, I can give you relevant red or bold lines I find in journalctl -b --full.
Sep 19 11:09:43 obsidian kernel: Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel!
Sep 19 11:09:43 obsidian kernel: scsi 0:0:0:0: Direct-Access ATA M4-CT256M4SSD2 040H PQ: 0 ANSI: 5
Sep 19 11:09:43 obsidian kernel: sd 0:0:0:0: [sda] 500118192 512-byte logical blocks: (256 GB/238 GiB)
Sep 19 11:09:43 obsidian kernel: sd 0:0:0:0: [sda] Write Protect is off
Sep 19 11:09:43 obsidian kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
Sep 19 11:09:43 obsidian kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Sep 19 11:09:43 obsidian kernel: sda: sda1 sda2
Sep 19 11:09:43 obsidian kernel: sd 0:0:0:0: [sda] Attached SCSI disk
Sep 19 11:09:43 obsidian kernel: scsi 2:0:0:0: Direct-Access Single Flash Reader 1.00 PQ: 0 ANSI: 0
Sep 19 11:09:43 obsidian kernel: sd 2:0:0:0: [sdb] 7744512 512-byte logical blocks: (3.96 GB/3.69 GiB)
Sep 19 11:09:43 obsidian kernel: sd 2:0:0:0: [sdb] Write Protect is off
Sep 19 11:09:43 obsidian kernel: sd 2:0:0:0: [sdb] Mode Sense: 03 00 00 00
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Sep 19 11:09:43 obsidian kernel: sd 2:0:0:0: [sdb] Assuming drive cache: write through
Sep 19 11:09:43 obsidian kernel: sd 2:0:0:0: [sdb] No Caching mode page present
Sep 19 11:09:43 obsidian kernel: sd 2:0:0:0: [sdb] Assuming drive cache: write through
Sep 19 11:09:43 obsidian kernel: sdb: sdb1
Sep 19 11:09:43 obsidian kernel: sd 2:0:0:0: [sdb] No Caching mode page present
Sep 19 11:09:43 obsidian kernel: sd 2:0:0:0: [sdb] Assuming drive cache: write through
Sep 19 11:09:43 obsidian kernel: sd 2:0:0:0: [sdb] Attached SCSI removable disk
Sep 19 11:09:43 obsidian kernel: EXT4-fs (dm-2): mounting with "discard" option, but the device does not support discard
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Sep 19 11:09:44 obsidian kernel: intel_rng: FWH not detected
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Sep 19 11:09:44 obsidian kernel: composite sync not supported
Sep 19 11:09:46 obsidian systemd[1]: var.mount: Directory /var to mount over is not empty, mounting anyway.
Sep 19 11:09:50 obsidian systemd[1]: Unit fancontrol.service entered failed state.
Sep 19 11:24:33 obsidian systemd-tmpfiles[2944]: stat(/run/user/1000/gvfs) failed: Permission denied
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src="http://homepage.mac.com/eckertallanp/2313.gif"
alt="tiger" align="right">
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Things I haven't tried.
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3: Format hard drive.
4: Test hard drive on another laptop's system.
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Sorry for the delay. Wasn't expecting the "road work" signs when attempting to check back with you in the AM here.
As others have already mentioned, the prompt for file systems occurs during text mode setup. Quick or Full? FAT or NTFS? How do you know what to do?
We'll start with file systems, short and sweet. Most any OS can read and write FAT volumes without fail which makes FAT ultra-portable, and the only choice if you want to let Mac OS write documents on your Windows volume. It's also more efficient on drives of 16 GB or less. However, FAT has no folder-level access control, so any file in the system can be manipulated by any user or by any system process. By contrast, NTFS is far more restrictive. It can only be manipulated under Windows, though other systems may be able to read it. Not only do you get the access control that FAT lacks, but you also get superior efficiency on large volumes, plus the power to compress or encrypt folders and files at will (in "business" flavors of Windows only--and yes, Vista Ultimate counts as "business" even though it will be supported much like a "consumer" version).
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Nate

Can't boot anymore

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