New build 25648 - 12/15/2014

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KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Mon Dec 15, 2014 15:12    Post subject: New build 25648 - 12/15/2014 Reply with quote
New build 25648 - 12/15/2014 is now available here:
ftp://ftp.dd-wrt.com/betas/2014/12-15-2014-r25648/

Your reports for Ralink-based models are highly appreciated !
Router Model:
Status:
Reset:
Errors:
Sponsor
ervau
DD-WRT User


Joined: 28 Sep 2013
Posts: 313

PostPosted: Mon Dec 15, 2014 16:04    Post subject: Reply with quote
No chance to upgrade DIR-615 rev. H1 neither from r25279 nor as test from r21061.

I think it could be very helpful to have an actual scenario from an expert/ GURU how to upgrade; maybe it's me who makes a mistake upgrading the FW via "administration" - "firmware-update" from the actual version to a newer one.
Maybe it's an option to go back to DLink FW and to upgrade from that platform.
On the other hand I suppose newer FW-version are tested on the devices they are released for. So I doubt that it shouldn't be possible to get it into the router. Question is how?!

ervau
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Mon Dec 15, 2014 17:37    Post subject: Reply with quote
@ervau, perform a simple webgui Restore Defaults on your current build 25279, wait 2 minutes, then try to flash 25648 from webgui in Firefox. If it doesn't work, try from Chrome.

But first make sure you erase the history + cache in the browser and restart the browser again, only then try to upgrade dd-wrt.
LOM
DD-WRT Guru


Joined: 28 Dec 2008
Posts: 7647

PostPosted: Tue Dec 16, 2014 3:04    Post subject: Reply with quote
ervau wrote:
No chance to upgrade DIR-615 rev. H1 neither from r25279 nor as test from r21061.

I think it could be very helpful to have an actual scenario from an expert/ GURU how to upgrade; maybe it's me who makes a mistake upgrading the FW via "administration" - "firmware-update" from the actual version to a newer one.
Maybe it's an option to go back to DLink FW and to upgrade from that platform.
On the other hand I suppose newer FW-version are tested on the devices they are released for. So I doubt that it shouldn't be possible to get it into the router. Question is how?!

ervau


builds after r25279 have grown too big for the flash after an update of Ralink drivers, the size of r25279 is the max size so don't try to update to something bigger than that.
Check size of future builds and you can easily see when the problem has been solved.

dd-wrt is built for over 200 different routers and there is no chance for the developers to test all of the builds, only a small fraction are tested before a new build is released.

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KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Tue Dec 16, 2014 7:00    Post subject: Reply with quote
LOM wrote:
builds after r25279 have grown too big for the flash after an update of Ralink drivers, the size of r25279 is the max size so don't try to update to something bigger than that.
Check size of future builds and you can easily see when the problem has been solved.

I think I agree with this statement, I've checked the sizes of recent builds for DIR-615 H:

23919 - 3,670,044 bytes
24461 - 3,706,908
25179 - 3,801,116
25203 - 3,805,212
25251 - 3,801,116
25273 - 3,805,212
25279 - 3,801,116
25309 - 3,805,212
25408 - 3,821,596
25527 - 3,825,692
25544 - 3,825,692
25628 - 3,825,692
25648 - 3,825,692

It appears that this Ralink-based router still supports builds of size 3,801,116 bytes, but doesn't anything of size 3,805,212 or above.

It's also interesting to notice that, even though the DIR-615 D version has a very similar chipset and specs as the H version, the builds are smaller for it: e.g. even the latest build 25648 for DIR-615 D has only a size of 3,739,676 bytes - so it still fits in the 4MB flash.

Quoting from the Peacock Thread in the Broadcom section: the maximum accepted build sizes [for Broadcom chips] are:
2MB flash chip / normal cfe (256k) : 1769472 bytes
2MB flash chip / compressed cfe (128k): 1900544 bytes
4MB flash chip (not Netgear): 3801088 bytes
4MB flash chip Netgear routers: 3735552 bytes
8MB flash chip: 7995392 bytes

*Note1: I've updated the relevant ticket: http://svn.dd-wrt.com/ticket/3833
*Note2: It looks like the next build will have new kernel for the Ralink-based DIR-615 (D and H versions), hopefully small enough to fit into the 4MB flash... http://www.dd-wrt.com/phpBB2/viewtopic.php?t=277104

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ervau
DD-WRT User


Joined: 28 Sep 2013
Posts: 313

PostPosted: Tue Dec 16, 2014 17:05    Post subject: Reply with quote
Hallo Kryptex, hallo LOM.
Size could be of influence. That's make sense.
But as I already mentoned here:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=276438
FW kB
23503 3677 works
23598 3593 doesn't
23720 3565 "
23838 3597 "
23919 3585 "
24118 3617 "
24160 3621 "
24461 3621 "
25179 3713 "
25203 3717 "
25251 3713 works
25173 3717 doesn't
25279 3713 works
25309 3717 doesn't
25408 3733 "
why are there so many smaller FWs that also don't work?
ervau
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Tue Dec 16, 2014 17:13    Post subject: Reply with quote
@ervau
The builds that are small, but do not work for you, I guess they have other bugs. For example, builds after 23503 and up to 25143, even though they are all smaller than 3,800,000 bytes, brick my DIR-615 D2 router.
So it's not always the size that gives problems, there are also other issues/bugs that brick the routers. But, definitely, the size is an important factor to consider. If it's well above 3,801,000 bytes, it might just not fit the 4 MB flash, that's all I'm trying to say.

_________________
THERE ARE NO STRANGERS HERE; ONLY FRIENDS YOU HAVEN'T YET MET.
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DD-WRT CHANGELOG | DEVICES | DD-WRT BUILDS | KONG BUILDS | UNOFFICIAL BUILDS | DD-WRT in VIRTUALBOX
ervau
DD-WRT User


Joined: 28 Sep 2013
Posts: 313

PostPosted: Tue Dec 16, 2014 17:23    Post subject: Reply with quote
thx!
understood!
ervau
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Tue Dec 16, 2014 20:39    Post subject: Reply with quote
@ervau, did you see THIS ??? wow !!!
http://www.dd-wrt.com/phpBB2/viewtopic.php?p=938497#938497

_________________
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________________________________________________________________________________________________________
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ABE22
DD-WRT Novice


Joined: 19 Jun 2012
Posts: 7

PostPosted: Tue Dec 16, 2014 21:02    Post subject: Reply with quote
I did sucessfully upgrade my 615H to a newer build, see the thread for details. Feel free to contact me if needed. Very Happy
ervau
DD-WRT User


Joined: 28 Sep 2013
Posts: 313

PostPosted: Wed Dec 17, 2014 14:56    Post subject: Reply with quote
@KrypteX
Ya, I did.
When I understood the proposed procedure right:
- factory reset (why? when you enter emegency room afterwards?)
- go to the emergency room
- install DLink original FW (that's the only one I was able to get onto the router from the emegency room)
- install dd-wrt factory webflash
- install dd-wrt webflash.

I think it's ok to follow that procedure to unbrick a device or when you like to find out how to outfox some stubborn system, but -believe me or not- I rarely strip my PC totally to get a driver updated. Wink
Nevertheless great job!
ervau
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