On Wed, Aug 26, 2015 at 10:06:29AM +0200, Johann Hugo wrote:
> 10.2-RELEASE does not work for me. It works for a very short while and
> then it stops with "msk0 watchdog timeout" errors
>
Thanks a lot for your report. This is the first report for
msk(4) watchdog timeouts on 10.2-RELEASE.
> I'm not sure what patch Roosevelt was talking about, but the patch in
> this thread works for me:
> https://lists.freebsd.org/pipermail/freebsd-stable/2015-April/082226.html
>
> I've changed MSK_STAT_ALIGN from 4096 to 8192 in if_mskreg.h and it's
> been running stable for the last week.
>
I see. I'm under the impression that RX/TX descriptor ring
alignment shall trigger the same issue so it would be better to
know how attached patch works on your box.
Thanks.
> Johann
>
> On Sun, Aug 16, 2015 at 2:08 PM, Yonghyeon PYUN <pyu...@gmail.com> wrote:
> > On Wed, Aug 12, 2015 at 09:44:06AM -0400, Roosevelt Littleton wrote:
> >> Hi,
> >> So, I can confirm with the attached patch. I have a working msk0 that
> >> hasn't failed for the past month. I considered this problem fix for me.
> >> Since, I have went a long time without any problems. Thanks!
> >
> > I'm not sure which patch you used. Given that users reported
> > 10.2-RELEASE works, it would be great if you revert local patch
> > and try it again on 10.2-RELEASE.
Index: sys/dev/msk/if_mskreg.h
===================================================================
--- sys/dev/msk/if_mskreg.h (revision 281587)
+++ sys/dev/msk/if_mskreg.h (working copy)
@@ -2175,13 +2175,8 @@
#define MSK_ADDR_LO(x) ((uint64_t) (x) & 0xffffffffUL)
#define MSK_ADDR_HI(x) ((uint64_t) (x) >> 32)
-/*
- * At first I guessed 8 bytes, the size of a single descriptor, would be
- * required alignment constraints. But, it seems that Yukon II have 4096
- * bytes boundary alignment constraints.
- */
-#define MSK_RING_ALIGN 4096
-#define MSK_STAT_ALIGN 4096
+#define MSK_RING_ALIGN 32768
+#define MSK_STAT_ALIGN 32768
/* Rx descriptor data structure */
struct msk_rx_desc {
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