Re: [Freedos-kernel] CRITICAL BUG - crosslinked files - 2039 unusable
Did you try out this kernel? Not yet (my ToTest pipeline is crowded ...) -- ~~~ wow ~~~ -- WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel
Re: [Freedos-kernel] CRITICAL BUG - crosslinked files - 2039 unusable
On 3 May 2011 03:03, dos386 dos...@gmail.com wrote: Good catch and thanks for the fix! I committed your patch to svn Heh ... excellent ... so my excessive HD trashing http://www.mail-archive.com/freedos-kernel%40lists.sourceforge.net/msg02431.html 1+1/2 years ago was NOT only waste of time ? Indeed! I tried hard to reproduce it at the time but I missed that to trigger the bug a FAT12/16 drive also needs to be involved. I was doing extensive testing but only copied files from network/cdrom-style drives and then kept them on FAT32 (there was lots of FAT32-FAT32 copying though). That avoids the effects of the bug, since only FAT32 DPBs were ever seen. Thanks to Damien, I'll test 2040 Did you try out this kernel? An 8086/FAT32 OW1.9 compiled kernel.sys binary for testing at: http://dosemu.org/bart/kernel.sys Bart -- WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel
Re: [Freedos-kernel] CRITICAL BUG - crosslinked files - 2039 unusable
Does this mean that it has been fixed? Alain Em 03-05-2011 04:03, dos386 escreveu: Good catch and thanks for the fix! I committed your patch to svn Heh ... excellent ... so my excessive HD trashing http://www.mail-archive.com/freedos-kernel%40lists.sourceforge.net/msg02431.html 1+1/2 years ago was NOT only waste of time ? Thanks to Damien, I'll test 2040 -- WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel
Re: [Freedos-kernel] CRITICAL BUG - crosslinked files - 2039 unusable
There is work going on, but noe estimate to completion. I would tend to agree, use 2038 until it is fixed. Pat Project Coordinator On Fri, Jan 8, 2010 at 3:03 AM, dos386 dos...@gmail.com wrote: I have prepeared a new FreeDOS distribution for REAL USE in the field Is there anyone working on, o willing to work on this cross-linked files bug? If not, have to use 2038 :-| -- ~~~ wow ~~~ -- This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel -- This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel
Re: [Freedos-kernel] CRITICAL BUG - crosslinked files - 2039 unusable
Hi 1. No new details to the Crosslink-BUG ... cluster size is 4 KiB :-| Why do you refer to an obsolete mail ? Half of it is not a bug, the other half is... What ??? This is because DIR tells you how much space is used / free. the which you mention, you force a recalculation... I never said the delay would be a BUG ... 6. Try to brew a file or SUBDIR (MD) - expected result: should work - effective result: DOESN'T WORK Do you also get problems with file creation See above: Try to brew a __file__ or SUBDIR or test yourself ;-) or growth, as far as those involve allocation of more clusters? No test on growth If yes, which problems, just failure? Or creation of cross links? Apparently no crosslinks (and no changes to the disk ???) EDR-DOS doesn't have this bug. It probably also has the delay? YES. BTW, my great new filesystem addresses this issue and tries to be more smart and less slow, nevertheless, the reevaluation and the risk that the reported free space may be inequal to the effective one can't be completely assassinated, or at least I have no idea how :-( I assume by bug you only mean the problem of creating a directory after invalidating FS-Info? YES. or file ;-) -- ~~~ wow ~~~ -- This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel
Re: [Freedos-kernel] CRITICAL BUG - crosslinked files - 2039 unusable
Well, the tracker entry is 28 days old, this discussion is 12 days old, and ... this is not the first time I have to whine about the user base of FreeDOS, if such a thing exists at all. At least, this time the BUG got opened by http://sourceforge.net/users/tnavratil/ Tnavratil, not me. So new results: - To reproduce this BUG, following might be necessary: - - 2039 kernel (but no final evidence that 2038 is NOT affected) - - FAT28 - - 6 GiB volume - - 4 KiB cluster size - - Disk almost full (95%) OTOH no need to fire disk full ERROR - - Free space heavily fragmented - - Copy (COPY) some (many ? 10 ?) files onto the volume, kick a few (DEL) of them, copy some (many ? 10 ?) more - Result: horrible mess. Many bunches of crosslinked files, per 2 or more members, usually icluding 2 files copied just atfer each other or almost, but also old files (properly defragmented to to begin of drive before) are included and corrupted. Cluster chain missmatching directory entry size. Lost cluster chains. - The INTERESTING THING is visible inside the directory: all the evil and new files, whether crosslinked or not, have the UPPER 16 bits of STARTING CLUSTER ZERO !!! This is illegal, since there was 256 MiB ( 4 KiB * 64 Ki ) of compact space occupied before the test !!! So the 2039 kernel FORGETS the upper 16 bits at some time and starts WRITING INTO the OCCUPIED area at the volume start, corrupting the files hanging there !!! Well, I invested a considerable amount of time into investigating this BUG, and caused a considerable data damage, there is no doubt that the 2039 kernel has a CRITICAL BUG ... what now ??? Are there really only 2 users who complained so far, within 4+1/2 months after the kernel release ? Anyone is able to fix it ? [silly] http://www.bttr-software.de/forum/forum_entry.php?id=6418 [/silly] -- ~~~ wow ~~~ -- This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel
Re: [Freedos-kernel] CRITICAL BUG - crosslinked files - 2039 unusable
Well, got __STRANGE__ news: 1. No new details to the Crosslink-BUG ... cluster size is 4 KiB :-| 2. Discovered a NEW BUG: - present in both 2038 and 2039 - not critical - possibly related to the Crosslink-BUG (probability not very high ...) - reproductability as ALWAYS :-) Steps to repropduce: 1. Get WDE or similar 2. Overwrite both entries in FS-info sector with $' 3. Reboot to FreeDOS 4. DIR - there is a massivre delay at the end 5. DIR - no delay anymore 6. Try to brew a file or SUBDIR (MD) - expected result: should work - effective result: DOESN'T WORK 7. Retry and it will work now EDR-DOS doesn't have this bug. -- ~~~ wow ~~~ -- This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel
Re: [Freedos-kernel] CRITICAL BUG - crosslinked files - 2039 unusable
I'm having a look Thanks :-) how large is your FAT partition exactly? Cca 6 GiB , have to check the other PC ... There is always the GB/GiB confusion... 1 GiB = 2^30 Bytes 1 GB = ??? (don't know don't use) what is the cluster size (I'm looking for potential overflows) 4 or 8 KiB , have to check the other PC ... does it happen with plain FreeCOM COPY, XCOPY, or any copy? Happens with plain FreeCOM COPY, not necessarily excluding other copy or writing. ** I came across a bug in the new kernel that might be related Really ??? If I copy a file from disk ro a floppy *using NDN F5* the copy is ok and any further operations with NDN crashes. Details, screenshot, have to reboot ??? If I use the copy command everything is ok. Floppies usually don't use FAT28 :-D This is probably memory related How much mem, XMS host, EMM386, minimal file size to reproduce ??? but does not happen with older kernel. So it depends only from the kernel ? I have no idea for now, really strange :-( -- ~~~ wow ~~~ -- Return on Information: Google Enterprise Search pays you back Get the facts. http://p.sf.net/sfu/google-dev2dev ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel
Re: [Freedos-kernel] CRITICAL BUG - crosslinked files - 2039 unusable
Hi, I'm having a look. But I can't reproduce it so far. So: * how large is your FAT partition exactly? There is always the GB/GiB confusion... * what is the cluster size (I'm looking for potential overflows) * does it happen with plain FreeCOM COPY, XCOPY, or any copy? Bart -- Return on Information: Google Enterprise Search pays you back Get the facts. http://p.sf.net/sfu/google-dev2dev ___ Freedos-kernel mailing list Freedos-kernel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-kernel
