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When trying to installing Syslinux on a FAT32 drive formatted using Ridgecrop's Large FAT32 formatting tool [1], the installer will bail due to the minfatsize check, as there is an extra sector being used. This fix addresses that. [1] http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm -------------- next part --------------

On Thu, Feb 25, 2016 at 7:59 PM, Pete Batard via Syslinux <syslinux at zytor.com> wrote: > Hi Ady, > > Your insightful post prompted me to to a little bit more digging as to how > the Ridgecrop algorithm computed its FAT size, with the result of my > investigations presented below. > > NB: For those who don't want to go through this whole part, there's a TL;DR > near the end. > *TL;DR*: The Ridgecrop Fat Size computation algorithm is wrong, and, whether > justi...

...etimes overly paranoid, on purpose, in order to avoid problems. It is also worth noting that someone ported mkdosfs to Windows; perhaps the best thing would be if this could be folded into the stock dosfstools upstream (if it hasn't been already): http://www1.mager.org/mkdosfs/ --- TL;DR: Ridgecrop's tool has a bug that needs to be fixed. They can either extend the FAT size to cover the entire volume, or they can adjust the filesystem size to account for the limited size of the FAT. Both are legitimate; which one results in the higher capacity is the preferred one (which will usually be...

Hi Ady, Your insightful post prompted me to to a little bit more digging as to how the Ridgecrop algorithm computed its FAT size, with the result of my investigations presented below. NB: For those who don't want to go through this whole part, there's a TL;DR near the end. For reference, the computation of the FAT size all done in the GetFATSizeSectors(), the code of which is at [...

...e) check would fail. > For instance... Are there other formatting tools (in whichever OS) that > are capable of similar "large" FAT32 volumes (i.e. volume size >32GB, > "big" cluster size) that do not use this "extra" sector? I don't think it matters. Ridgecrop's Large FAT32 formatting algorithm is fairly popular, so I don't think we can go around telling people "Sorry, you'll have to use something else because we don't want to change what is essentially a sanity check in Syslinux..." > Is this "extra" sector com...

> When trying to installing Syslinux on a FAT32 drive formatted using > Ridgecrop's Large FAT32 formatting tool [1], the installer will bail due > to the minfatsize check, as there is an extra sector being used. This > fix addresses that. > > [1] http://www.ridgecrop.demon.co.uk/index.htm?fat32format.htm > The expression: "...as there is an extra sec...

...VC compilation, and other are fixes for actual Syslinux issues, that Rufus users have encountered. For convenience, the individual description of each patch is gathered below: o [PATCH 1/5] fat: fix minfatsize for large FAT32: When trying to installing Syslinux on a FAT32 drive formatted using Ridgecrop's Large FAT32 formatting tool [2], the installer will bail due to the minfatsize check, as there is an extra sector being used. This fix addresses that. o [PATCH 2/5] ntfs: remove unused variable and have ntfssect use char The variable 'ok' is never used and generates a warning. Remo...

...he end of his email, I am about to purposely comment throughout the original logic. By doing it this way I am hoping to communicate my thoughts in a clearer manner (fingers crossed :). > Hi Ady, > > Your insightful post prompted me to to a little bit more digging as to > how the Ridgecrop algorithm computed its FAT size, with the result of my > investigations presented below. > > NB: For those who don't want to go through this whole part, there's a > TL;DR near the end. > > For reference, the computation of the FAT size all done in the > GetFATSizeS...

...; > For instance... Are there other formatting tools (in whichever OS) that > > are capable of similar "large" FAT32 volumes (i.e. volume size >32GB, > > "big" cluster size) that do not use this "extra" sector? > > I don't think it matters. Ridgecrop's Large FAT32 formatting algorithm > is fairly popular, so I don't think we can go around telling people > "Sorry, you'll have to use something else because we don't want to > change what is essentially a sanity check in Syslinux..." > > > Is this &qu...

Hi Gene, On 2016.02.26 11:49, Gene Cumm wrote: > I think there may be another answer to this: > > 1) a tool to fix the broken FSs by "wasting" the high clusters of the > file system, a non-destructive correction. As it stands they're > effectively wasted already and might risk a user thinking the file > system isn't full when in fact the FAT itself is.

Hello, I have a dual boot with Windows 7 64 bit enterprise edition and Opensolaris build 134. This is on Sun Ultra 40 M1 workstation. Three hard drives, 2 in ZFS mirror, 1 is shared with Windows. Last 2 days I was working in Windows. I didn''t touch the hard drives in any way except I once opened Disk Management to figure out why a external USB hard drive is not being listed.