On Thu, 30 Nov 2000, Jonathan Hudson wrote:
>
> In article <3A26625E.446AE3D@uow.edu.au>,
> Andrew Morton <andrewm@uow.edu.au> writes:
> AM> In thread "File corruption part deux", Lawrence Walton wrote:
> >>
> >> my system has been acting slightly odd on all the pre 12 kernels
> >> with the fs going read only with out any messages until now.
> >> no opps or anything like that, but I did get this just now.
> >>
> >> EXT2-fs error (device sd(8,2)): ext2_readdir:
> >> bad entry in directory #458430: directory entry
> >> across blocks - offset=152, inode=3393794200,
> >> rec_len=12440, name_len=73
> >>
> AM>
> AM> 3393794200 == 0xca493098. A kernel address. And 152 is 0x98,
> AM> which is equal to N * 0x20 + 0x18. Read on...
> AM>
>
> Don't know what these do for your analysis, observed on
> 2.4.0test12pre2, compiling mozilla.
>
> EXT2-fs error (device ide0(3,11)):
> ext2_readdir: bad entry in directory #409870: directory entry across blocks
> - offset=88, inode=3284439128, rec_len=36952, name_len=196
offset 0x58, data: 58 90 c4 c3 58 90 c4
Confirms. That's definitely an empty list_head at address 0xc3c49058 and -pre2
has O_SYNC patches.
> EXT2-fs error (device ide0(3,11)):
> ext2_add_entry: bad entry in directory #344273: rec_len % 4 != 0 - offset=0,
> inode=1769234798, rec_len=28271, name_len=85
data: 6e 61 74 69 6f 6e 55, i.e. "nationU"
... and that one looks like a duplicated blocks effect, but there may be a lot
of other reasons for that.
> Recompiling it with 2.4.0test12pre3 last night did not cause any fs
> problems, at least that I've noticed.
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