Hi Hin-Tak, On Sat, 2014-02-15 at 04:04 +0000, Hin-Tak Leung wrote: > > Hi Vyacheslav, > > I am afraid I have bad news for you - Sergei may be right. > > This is what shows on an unclean-shutdown image: > > [179982.068363] hfsplus: invalid journal header > [179982.068375] hfsplus: journal replay failed, mounting read-only > [179982.068378] hfsplus: filesystem was not cleanly unmounted, mounting read-only > [179982.068380] hfsplus: running fsck.hfsplus is recommended > > This is on the clean shutdown after: > > [182188.224271] hfsplus: invalid journal header > [182188.224287] hfsplus: journal replay failed, mounting read-only > Ok. Now I can see the issue. :) It is the real evidence. Thank you. > Obviously my virtual machine is still working, so the file system > must be valid. > I have also recorded that the darwin kernel outputs this when replaying the journal: > Feb 14 19:15:55 localhost kernel[0]: jnl: replay_journal: from: 3365376 to: 2762752 (joffset 0x1a000) > > which might be interesting to try to replicate. > > The good news is I have saved the unclean image, and the clean one after, > they compress to just over 600MB each (and expands to 3GB each). > Since they are just darwin 8 (plus some open-source software I tried to work on within) > and *not* full Mac OS X, I suppose you can have them, if you > can find the space for me to upload them to. > It is really great. I send you the information about place and credentials for upload in private e-mail. I am looking forward to have these images in my hands for investigation. > As I mentioned earlier that the darwin kernel seems to notice that its filesystem > had been manipulated by fsck.hfsplus. To be precise, it seems > that whenever I had done a fsck.hfsplus between, the darwin kernel outputs this > kind of message: > > Feb 12 07:23:20 localhost kernel[0]: jnl: journal start/end pointers reset! (jnl 0x1838e60; s 0x232a00 e 0x722600) > Feb 12 15:22:37 localhost kernel[0]: jnl: journal start/end pointers reset! (jnl 0x17dbe60; s 0x96600 e 0x322600) > > So it might be also worth looking at the XNU source what that means, > and whether fsck.hfsplus is behaving correctly on x86_64 linux on manipulating > powerpc HFS+ images. > > OTOH, I am happy if you have debug patches, etc to try thing out at this end. > Thank you for all efforts. I really appreciate it. Thanks, Vyacheslav Dubeyko. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
