FreeBSD 8.1 and HAST

[Pawel Jakub Dawidek]

On Mon, Jun 14, 2010 at 10:28:15AM +0300, Mikolaj Golub wrote:
> 
> On Sun, 13 Jun 2010 12:24:01 +0200 Pawel Jakub Dawidek wrote:
> 
>  >> Jun 13 16:25:37 sv01A hastd: [zfshast] (primary) Header contains no 'seq' field.
> 
>  PJD> This is the most important bit from the primary node.
> 
>  PJD> The header either does not contain 'seq' field or this field is 0. It
>  PJD> can only be 0 if you have old kernel. With recent kernel geom_gate.ko
>  PJD> was modified to start seq at 1, so this should not happen.
> 
> I am a bit confused how this seq is supposed to work. For sync thread. I have
> set up hast on 8-STABLE (before I used it on 9-CURRENT only) and have the same
> issue as hiroshi@ does. I have added 
> 
>  pjdlog_debug(2, "remote_send: seq is %llu.", (uint64_t)ggio->gctl_seq);
> 
> after 
> 
>  nv_add_uint64(nv, (uint64_t)ggio->gctl_seq, "seq");
> 
> in primary/remote_send thread and observe the following:
[...]

Could you find where exactly it looses proper value?
I found that in ggate_recv_thread() after ioctl(2), gctl_seq has
expected value, but I'm not setup to test it further quickly.

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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