Heavy fs corruption with 9.0-RELEASE

[Adrian Chadd]

You didn't answer my question - is there a PR opened for this?



Adrian

On 9 March 2012 12:02, David Thiel <lx at freebsd.org> wrote:
> On Fri, Mar 09, 2012 at 01:53:59AM -0800, Adrian Chadd wrote:
>> PR ?
>
> The original thread was here:
>
> http://marc.info/?t=132502460000001&r=1&w=2
>
> Ignore the part where it takes me a while to figure out fsck isn't
> softupdate-aware.
>
> There was further followup off-list with the associated SUJ developers
> with clearer test results, but no definitive resolution as of yet, as
> far as I know. I didn't get a chance to test the write cache disabling
> approach or do further testing before I had to turn off SUJ.
>
> Arnaud: Would you be able to record a few test cases with SUJfsck and
> then regular fsck, both using the -v flag (with output piped to some
> other fs)? Can you also see if:
>
> kern.cam.ada.write_cache=0
> hw.ata.wc=0
>
> while leaving SUJ enabled helps at all?
>
>> On 8 March 2012 11:07, David Thiel <lx at freebsd.org> wrote:
>> > On Mon, Mar 05, 2012 at 05:12:16PM -0500, Arnaud Lacombe wrote:
>> >> I've been running a couple of system with 9.0-RELEASE since it is out.
>> >> All the system were installed through the standard installation
>> >> procedure. After unclean reboot, either crash or power-failure, I get
>> >> a huge amount of really bad filesystem corruption (read: "silent",
>> >> fs-wide, corruptions). This happens with either i386 or amd64 build.
>> >> Systems involved use compact flash as their system permanent storage
>> >> medium.
>> >
>> > I have had this same behavior on every SUJ system I've built, both on
>> > SSDs and otherwise, on i386, PPC and amd64. Remove SUJ and revert to
>> > plain softupdates, and I strongly suspect your problems will disappear.
>> >
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