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Re: Advice; want to upload new onak package to stable



On Fri, May 29, 2009 at 09:38:59PM +0200, Florian Weimer wrote:
> * Jonathan McDowell:
> 
> > I'd like to upload a new onak package to stable to fix #520117 by
> > rebuilding against db4.5 instead of db4.6 - I'm hitting what seems to be
> > #510270 in db4.6.
> 
> Shouldn't this be fixed in db4.6 instead?

That would be nicest, but I haven't seen any movement on it. db4.5 and
db4.7 both don't seem to have the issue and it only happens when opening
read-only afaict. I don't have the time to delve into the depths of
db4.6 and I've had several complaints about onak being broken as a
result of this.

On Fri, May 29, 2009 at 10:20:21PM +0200, Julien Cristau wrote:
> On Fri, May 29, 2009 at 14:11:31 +0100, Jonathan McDowell wrote:
> > I'd like to upload a new onak package to stable to fix #520117 by
> > rebuilding against db4.5 instead of db4.6 - I'm hitting what seems to be
> > #510270 in db4.6.
> > 
> Can db4.5 read files written by 4.6 without problems?

Bugger. I was sure I'd tried this, but either I hadn't or I got lucky. I
can reliably make things break by going 4.6 -> 4.5 with no other
changes. Which means I have to go for the more invasive approach of
disabling opening the DB read-only, which makes 4.6 work (instead of
failing after a dozen or so repeated attempts it can happily go for at
least 24,000). Revised diff attached.

J.

-- 
Funny how life imitates LSD.
This .sig brought to you by the letter Q and the number 46
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diff -u onak-0.3.6/debian/changelog onak-0.3.6/debian/changelog
--- onak-0.3.6/debian/changelog
+++ onak-0.3.6/debian/changelog
@@ -1,3 +1,9 @@
+onak (0.3.6-2) stable; urgency=low
+
+  * Always open the DB read/write. (Closes: #520117)
+
+ -- Jonathan McDowell <noodles@earth.li>  Fri, 29 May 2009 13:59:03 +0100
+
 onak (0.3.6-1) unstable; urgency=low
 
   * New upstream release
only in patch2:
unchanged:
--- onak-0.3.6.orig/keydb_db4.c
+++ onak-0.3.6/keydb_db4.c
@@ -398,9 +398,12 @@
 			if (ret == 0) {
 				snprintf(buf, 1023, "keydb.%d.db", i);
 				flags = DB_CREATE;
+/*
+ * HACK: db4.6 reacts badly to us opening the DB readonly.
 				if (readonly) {
 					flags = DB_RDONLY;
 				}
+ */
 				ret = dbconns[i]->open(dbconns[i],
 						txn,
 						buf,

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