Hi Stijn, Stijn Segers <[email protected]> ezt írta (időpont: 2020. ápr. 21., K, 17:52): > > Hi, > > > Op dinsdag 21 april 2020 om 15:12 schreef Stijn Segers > <[email protected]>: > > Hi Szabolcs, > > > > Op maandag 20 april 2020 om 11:01 schreef Szabolcs Hubai > > <[email protected]>: > >> Hello, > >> > >> Stijn Segers <[email protected]> ezt írta (időpont: 2020. > >> ápr. > >> 20., H, 9:25): > >>> > >>> Hi Szabolcs, > >>> > >>> Op zondag 19 april 2020 om 20u49 schreef Szabolcs Hubai > >>> <[email protected]>: > >>> > This device has trouble extracting big kernel from flash, > >>> > and supports LZMA compressed kernels only. > >>> > > >>> > Using OpenWrt kernel loader saves us 64 KB compared to the > >>> dictionary > >>> > size limiting workaround. > >>> > > >>> > Factory image sizes (commit: 5f126c541a74) with > >>> "CONFIG_ALL_KMODS=y": > >>> > - original ("-d23", default): 4784188 bytes, LZMA ERROR 1 > >>> > - with "-d19": 4915260, LZMA ERROR 1 > >>> > - with "-d18": 4915260, diff to original: +128 KB > >>> > - with "-d17": 4980796, diff to original: +192 KB > >>> > - with this patch: 4849724, diff to original: +64 KB > >>> > > >>> > To save some CPU cycle, use minimal compression ("-a0") for the > >>> LZMA > >>> > compressed uImage. > >>> > > >>> > The most robust solution would use a different loader, > >>> > which reads the compressed kernel directly from the flash. > >>> > See the thread at [0] for more details! > >>> > >>> Thanks for giving the DIR-860L some love. I'd like to test (in > >>> fact I > >>> already > >>> did with your previous patches) and hook up serial, because first > >>> boot > >>> will > >>> work but any reboot (whether I change settings or not) will just > >>> give > >>> me a > >>> blinking orange LED. Like clockwork. > >>> > >>> Would you happen to have any pointers (or pictures) on how to open > >>> the > >>> case? > >>> I have unscrewed the bottom but there seem to be latches on the > >>> inside > >>> (judging > >>> from the FCC pictures) and I am unable to pry it open. > >>> > >>> Thanks and sorry for the topic hijack :-). > >>> > >>> Stijn > >>> > >> > >> I got my clue from the "D-LINK DIR-860L - disassemble" titled > >> YouTube video. [0] > >> In short: > >> - 3 screws on the bottom, under the pads: if you are looking at the > >> bottom of the router, the screws are under the left, the right and > >> the > >> bottom pads > >> - one, "DIR-860L" titled sticker on the top, with a "cut in" starting > >> point in the front, where the leds reside > > > > > > Thanks! That sticker turned out to be so sturdy - it doesn't look or > > feel like a sticker *at all*. That's what got me. > > > > So, I have serial now. A few things I can tell from my side: > > - vanilla master image (yesterday's image): does not boot, which is > > expected of course. Error I'm seeing: "LZMA ERROR 1 - must RESET > > board to recover" > > - local master branch image (with your last patch) with default > > .config: boots fine, even after multiple reboots. > > - local master branch image (with your last patch) with my own > > config: boots fine the first time. After that, it just barks and says > > 'Bad Header checksum'. > > > > It looks like there's something with my .config that breaks it... The > > (kernel?) image is pretty big (9109444 bytes?) from what I can tell, > > maybe that's still an issue here. > > > As a follow-up: wiping my ccache worked wonders it seems. All good now. >
Great news, thanks! :) -- Szabolcs > Cheers > > Stijn > > > > This is what default config prints: > > > > 3: System Boot system code via Flash. > > ## Booting image at bfc50000 ... > > addr:80500000 > > We have SEAMA, Image Size = 2359232 > > Verifying Checksum ... > > Uncompressing SEAMA linux.lzma ... OK > > > > And my custom config (which boots fine the first time after flashing > > somehow, then goes straight to recovery mode somehow): > > > > 3: System Boot system code via Flash. > > ## Booting image at bfc50000 ... > > addr:80500000 > > We have SEAMA, Image Size = 9109444 > > Verifying Checksum ... > > Bad Header Checksum. > > > > Entering HTTP server. > > > > > > Anyway, I'll send in my tested-by for your patch so hopefully it can > > get merged! Thanks for the work and your help! > > > > > > Cheers > > > > Stijn > > > >> - 3 screws on the top, under the sticker > >> > >> Disassemble: > >> - get off the pads (they won't stick back after a few days ;), use > >> very thin double sided sticker to help them) > >> - get the bottom screws > >> - peel off the rounded sticker from the top with thin but flexible > >> knife or razor blade, etc ... > >> - get the upper screws > >> - slide the front and rear half vertically a little > >> - separate them > >> > >> The serial settings can be found on the wiki [1]: > >> - Pinout: TX, GND, 3v3, empty, RX > >> - Bits per second: 57600 > >> - Data bits: 8 > >> - Parity: None > >> - Stop bits: 1 > >> - Flow control: None > >> > >> I have a CP2102 USB to TTL module, and used with "minicom -D > >> /dev/ttyUSB0". > >> > >> > >> Intereestingly, when I connected with serial to the router it was > >> sometime unstable: > >> * refuse to start > >> * freeze at boot soon after: "Error applying setting, reverse things > >> back" messge > >> > >> Other than this, I have no problem with k5.4. > >> > >> > >> > >> [0]: https://youtu.be/tf7nMqdUKD4 > >> [1]: https://openwrt.org/toh/d-link/dir-860l#access_with_serial_cable > >> > >> > >> -- > >> Regards, > >> Szabolcs > >> > >> > >>> > >>> > > >>> > [0] > >>> > > >>> > >>> http://lists.infradead.org/pipermail/openwrt-devel/2020-April/022926.html > >>> > > >>> > Signed-off-by: Szabolcs Hubai <[email protected]> > >>> > --- > >>> > target/linux/ramips/image/mt7621.mk | 4 +++- > >>> > 1 file changed, 3 insertions(+), 1 deletion(-) > >>> > > >>> > diff --git a/target/linux/ramips/image/mt7621.mk > >>> > b/target/linux/ramips/image/mt7621.mk > >>> > index aa6836d50a..e954f730da 100644 > >>> > --- a/target/linux/ramips/image/mt7621.mk > >>> > +++ b/target/linux/ramips/image/mt7621.mk > >>> > @@ -218,7 +218,9 @@ define Device/dlink_dir-860l-b1 > >>> > $(Device/seama) > >>> > BLOCKSIZE := 64k > >>> > SEAMA_SIGNATURE := wrgac13_dlink.2013gui_dir860lb > >>> > - KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma | > >>> > uImage lzma > >>> > + LOADER_TYPE := bin > >>> > + KERNEL := kernel-bin | append-dtb | lzma | loader-kernel | \ > >>> > + relocate-kernel | lzma -a0 | uImage lzma > >>> > IMAGE_SIZE := 16064k > >>> > DEVICE_VENDOR := D-Link > >>> > DEVICE_MODEL := DIR-860L > >>> > -- > >>> > 2.17.1 > >>> > > >>> > > >>> > _______________________________________________ > >>> > openwrt-devel mailing list > >>> > [email protected] > >>> > https://lists.openwrt.org/mailman/listinfo/openwrt-devel > >>> > >>> > >> > >> _______________________________________________ > >> openwrt-devel mailing list > >> [email protected] > >> https://lists.openwrt.org/mailman/listinfo/openwrt-devel > > > > > > _______________________________________________ > > openwrt-devel mailing list > > [email protected] > > https://lists.openwrt.org/mailman/listinfo/openwrt-devel > _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
