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09:28
<
Grommish >
My ISP is wierd.. Apparently, they have the DHCP TTL set to.. 291 hours.. (12d,3hr).. What?
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09:37
<
f00b4r0 >
zorun: ping?
09:42
<
zorun >
f00b4r0: pong
09:42
<
f00b4r0 >
zorun: Baptiste, right?
09:43
<
zorun >
interesting hard_config, right?
09:43
<
f00b4r0 >
there are two ways to "fix" what you describe. I just quickly checked my rb_hardconfig code and it will handle a small-in-large hard config no problem
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09:44
<
zorun >
yes, we never know the exact size in advance anyway
09:44
<
f00b4r0 >
so you can either "fix" this globally, by applying the following patch:
https://paste2.org/9jyd1Wjc ; or you can override size for the hap-ac2 DTS only
09:44
<
f00b4r0 >
the patch basically makes hard_config extend up to the next declared partition.
09:45
<
f00b4r0 >
The "minor" issue is that to be on hte safe side, this needs to be tested on all existing devices ;P
09:45
<
zorun >
I think I'll go with the DTS solution
09:45
<
f00b4r0 >
off the top of my head it will work; but of course until proven wrong
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09:45
<
zorun >
but we also need to increase various buffers in the rb_hardconfig driver (I'm working on it but still not working)
09:46
<
f00b4r0 >
which buffers? There's only one hard-coded one and that's the ART_SIZE
09:47
<
zorun >
the code assumes that the decompressed / decoded output will fit in 4K (a single block)
09:47
<
zorun >
which is not the case here
09:48
<
f00b4r0 >
I don't see that. Can you point me at the code line?
09:49
<
f00b4r0 >
the decompression buffer is 0x10000, not 0x1000
09:50
<
f00b4r0 >
yes. Tha'ts 65k. Not 4k
09:50
<
zorun >
hmmm, right
09:51
<
f00b4r0 >
there's no other hardcoded size here, I made sure of that :)
09:51
<
zorun >
when reading /sys/firmware/mikrotik/hard_config/wlan_data with cat it's always 4K, which is why I thought it was because of this
09:51
<
zorun >
no wonder increasing the buffer size didn't help :p
09:52
<
f00b4r0 >
the "size" reported by the system isn't the actual data size
09:52
<
f00b4r0 >
this is a sysfs attribute, not a regular file.
09:52
<
f00b4r0 >
if there's out of space issue it will show up in dmesg.
09:52
<
zorun >
yeah the reported size is 0, I read it with cat /sys/.../wlan_data > /tmp/wlan_data
09:53
<
zorun >
btw the actual root issue that got me on that journey is that the ath10k driver fails to load the firmware
09:53
<
f00b4r0 >
4k is PAGE_SIZE too, and we've seen truncation with busybox' dd in the past. That shouldn't affect cat however.
09:54
<
f00b4r0 >
do check dmesg with debug log level. The driver is verbose.
09:54
<
f00b4r0 >
it will tell you if something goes wrong.
09:54
<
zorun >
not that verbose actually ;) but I did add some debug
09:54
<
zorun >
I get the "LZOR: LZO EOF before buffer end - this may be harmless" but that's kind of expected
09:54
<
f00b4r0 >
certainly verbose enough to report all errors though
09:55
<
f00b4r0 >
i'm assuming that you're doing these tests with size correctly set in DTS?
09:58
<
f00b4r0 >
try reading from wlan_data with dd if=wlan_data iflag=fullblock
09:58
<
f00b4r0 >
that's what we use in package/base-files/files/lib/functions/caldata.sh
09:59
<
zorun >
"7+1 records in/out" (strange), but still 4K
10:00
<
zorun >
I'm adding debug to the bin_read function
10:00
<
f00b4r0 >
pipe it to hexdump (avoid writing it to /tmp)
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10:01
<
f00b4r0 >
btw do the content make sense (i.e. look like truncated calib data)?
10:02
<
Hauke >
builds should be fixed again
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10:06
<
zorun >
it does look like calibration data (not-so-nice ASCII art ;) ), but truncated, I don't know
10:08
<
zorun >
I don't get it: after LZO decompression, the size is 15216 bytes, but after RLE decoding it's only 4050 bytes
10:08
<
zorun >
which is exactly the size of the generated wlan_data "file" (4050 and not 4096, I should have checked)
10:09
<
zorun >
so I guess everything is generated as expected and there is no truncation
10:09
<
f00b4r0 >
and here you were blaming
*MY BABY* :D
10:10
<
f00b4r0 >
RLE decode shorter than the input is very odd though
10:10
<
zorun >
ah, in between, there's the TLV tag
10:11
<
zorun >
found tag id 0x0001 (offset=4, length=1710)
10:11
<
zorun >
so it's consistent with the final size
10:12
<
f00b4r0 >
and yet your device still doesn't load caldata?
10:12
<
zorun >
but we have a 15216-bytes buffer that only contains 1710 bytes worth of data? strange
10:12
<
f00b4r0 >
yeah don't ask me. I've been flying blind since day one on this crap :P
10:13
<
zorun >
I checked that hc_wlan_data_bin_read() is called just before these errors
10:14
<
f00b4r0 >
that's not a caldata load failure
10:14
<
f00b4r0 >
that's a BRD load failure
10:15
<
f00b4r0 >
if I read this right
10:15
<
zorun >
ah... I don't get the difference
10:16
<
f00b4r0 >
yes; but if the provided board file does not contain a matching id for your device, it won't load. I wonder if that's what we seeing here
10:19
<
f00b4r0 >
though the caldata still looks weirdly small.
10:19
<
f00b4r0 >
I don't have my ac2 at hand right now so can' compare
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10:21
<
f00b4r0 >
zorun: i have to run. If you pore through PR#3037 comments you will find details about BRD and how it can normally even be extracted from wlan_data (which makes me think again that what you're seing is too short)
10:35
<
zorun >
sure, I'm catching up
10:35
<
zorun >
thanks for the help
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10:48
<
f00b4r0 >
zorun: you might want to get robimarko involved, AIUI he's using these devices in a commercial way, and he has more insight about the actual contents of the compressed data (which I don't)
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<
zorun >
yes, good idea
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11:04
<
zorun >
looks like the board-id is wrong: the driver tries to load bmi-board-id=20, while the board-2.bin file contains 16 and 17
11:07
<
f00b4r0 >
zorun: there you go. I'm not surprised. ISTR I mentioned something like this could eventually happen, which is why in #3037 I tried to offer a way to dynamically extract board data from the flash (it's there)
11:08
<
f00b4r0 >
I'll reply on the m-l with a quick run down on rb_hardconfig and the one-line patch I mentioned earlier, just "for the record"
11:10
<
f00b4r0 >
zorun: done. This being May 1st and the weather being nice here, I think I'll be off now. Feel free to ping me over email later though. I hope we can find a robust way to deal with Mikrotik's shenanigans ;)
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14:06
<
russell-- >
i have a custom package using automake, is there a good way within the openwrt build system to get it to build in a subdirectory?
14:12
<
Habbie >
or do you mean 'mkdir build; cd build; ../configure' ?
14:42
<
russell-- >
Habbie: the latter
14:43
<
Habbie >
russell--, ah, then I got nothing other than 'override the step'
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15:06
<
ldir >
leaving this here "grub-mkimage: error: Decompressor is too big." getting this error when using binutils 2.36_1
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16:41
<
philipp64 >
hmmm... if I run valgrind with --track-origins=yes it's exits with 137... if I don't use that, it runs fine...
16:41
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<
philipp64 >
nbd: any ideas? this is on ath79 (archer a7 v5)
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<
philipp64 >
PaulFertser: ping
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17:12
<
PaulFertser >
philipp64: pong
17:13
<
PaulFertser >
philipp64: I haven't ever tried running valgrind on mips, sorry
17:14
<
PaulFertser >
philipp64: usually same issues (highlighted by valgrind) can be reproduced on x86 too.
17:14
<
philipp64 >
okay. what's required to make source line numbers work? to build a package with -g -O0 and leave it unstripped?
17:15
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17:15
<
PaulFertser >
philipp64: source line numbers work with -O2 or -Os (or any other optimisation level) too. Yes, I think valgrind needs debug info so -g and unstripped would be certainly needed.
17:15
<
philipp64 >
I don't want code reordering screwing up debugging...
17:16
<
philipp64 >
Do I need to modify the package's Makefile's to enable those, or is there a top-level way to do this?
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<
Grommish_ >
/nick Grommish
17:58
<
Grommish_ >
Silly client
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