Re: MO drives (2048 byte block vfat fs) in lk 2.4

2001-04-23 Thread Daniel Kobras
On Sun, Apr 22, 2001 at 10:59:18PM -0400, Douglas Gilbert wrote: > One error report stated that a MO drive with a vfat > fs based on 2048 byte sectors can be mounted and read Read? I don't think so. bread, yes, but read follows a NULL pointer and was never seen again. > but any significant

Re: MO drives (2048 byte block vfat fs) in lk 2.4

2001-04-23 Thread Alan Cox
> The EIP resolved most often to cont_prepare_write() in > fs/buffer. A disassembly suggests line 1802 in buffer.c > [2.4.3ac11]. That is around a memset() between > __block_prepare_write() and __block_commit_write() calls > within the while loop. Most other addresses were within > the same while

Re: MO drives (2048 byte block vfat fs) in lk 2.4

2001-04-23 Thread Alan Cox
The EIP resolved most often to cont_prepare_write() in fs/buffer. A disassembly suggests line 1802 in buffer.c [2.4.3ac11]. That is around a memset() between __block_prepare_write() and __block_commit_write() calls within the while loop. Most other addresses were within the same while loop.

Re: MO drives (2048 byte block vfat fs) in lk 2.4

2001-04-23 Thread Daniel Kobras
On Sun, Apr 22, 2001 at 10:59:18PM -0400, Douglas Gilbert wrote: One error report stated that a MO drive with a vfat fs based on 2048 byte sectors can be mounted and read Read? I don't think so. bread, yes, but read follows a NULL pointer and was never seen again. but any significant write

MO drives (2048 byte block vfat fs) in lk 2.4

2001-04-22 Thread Douglas Gilbert
The "MO" bug (also 2048 byte block vfat problem) has been reported several times in the lk 2.4 series. Since the finger was being pointed at the SCSI subsystem I decided to investigate. As far as I can see the sd driver offers the same physical block (other than 512 byte) capabilities in lk 2.4

MO drives (2048 byte block vfat fs) in lk 2.4

2001-04-22 Thread Douglas Gilbert
The MO bug (also 2048 byte block vfat problem) has been reported several times in the lk 2.4 series. Since the finger was being pointed at the SCSI subsystem I decided to investigate. As far as I can see the sd driver offers the same physical block (other than 512 byte) capabilities in lk 2.4 as