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| 06:01.13 | CapnKernel | Anyone using JFFS2 can help me please? |
| 06:02.39 | CapnKernel | I am building a JFFS2 image using buildroot, and loading it into onboard NAND flash (at91_nand) at address 0x0. Then I'm trying to boot it. |
| 06:02.41 | CapnKernel | http://www.pastebin.ca/1197879 |
| 06:03.59 | CapnKernel | I get lots of messages like "Empty flash at 0x00001ffc ends at 0x00002000". Kernel says it was able to mount it R/O, but it can't find the /linuxrc (or /sbin/init) files in the rootfs. |
| 06:11.41 | CapnKernel | Just noticed this message from mkfs.jffs2: "Erase size 0x1080 too small. Increasing to 8KiB minimum' |
| 06:15.54 | HcE | malconfigured options to mkfs.jffs2 |
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| 06:33.26 | CapnKernel | HcE: Yes I think so. buildroot is configured for the AT45DB. Was hoping I could just copy the jffs2 image to NAND... :-( |
| 06:39.56 | HcE | CapnKernel: nope, you can not, JFFS2 images are made for a specific flash erase and page size |
| 06:40.40 | CapnKernel | Hmm. Now have to work out how to configure buildroot to support this particular NAND chip then... :-) |
| 06:41.53 | HcE | go into the target part and setup the JFFS2 part |
| 06:49.53 | CapnKernel | Hmm, config seems to like powers of 2, whereas the NAND flash is not. |
| 06:50.41 | CapnKernel | NAND device: Manufacturer ID: 0x2c, Chip ID: 0xca (Micron NAND 256MiB 3,3V 16-bit) |
| 06:50.50 | CapnKernel | AT91 NAND: 16-bit, Software ECC |
| 06:51.32 | CapnKernel | Datasheet says at x16, the pagesize is 1056. |
| 07:01.25 | CapnKernel | Hmm, that's even worse, lots of "didn't find magic bitmask". I'll have a look at how mkfs.jffs2 is invoked tomorrow. |
| 07:01.34 | CapnKernel | Time for me to go now, cheerio. |
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| 07:09.31 | kos_tom | hi! |
| 07:09.37 | kos_tom | is there any way to tell libtool that the paths in *.la files are relative to a given directory ? |
| 07:09.42 | kos_tom | i'm facing the problem at http://www.metastatic.org/text/libtool.html, but I don't find the solution of hardcoding the root filesystem directory in all *.la files very nice. |
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| 08:09.25 | mnemoc | kos_tom: libtool is a karma |
| 08:09.45 | kos_tom | yes :-) and ? |
| 08:11.43 | mnemoc | kos_tom: there is no "single shoot" solution one can suggest to solve it's misbehaviors |
| 08:12.16 | mnemoc | kos_tom: one thing that usually help is replacing the libtool files which come with the packages with one built by you for cross compiling |
| 08:12.43 | mnemoc | kos_tom: some packages work fine if you export LIBTOOL or pass it as make argument, but others don't |
| 08:12.56 | mnemoc | It's a sort of nightmare :( |
| 08:14.16 | kos_tom | yes it is. |
| 08:20.08 | mnemoc | when $LIBTOOL and $(LIBTOOL) tricks don't work, I use an script to replace libtool files after extracting, and another to "fix" la files after installing |
| 08:21.27 | kos_tom | to what value do you set $LIBTOOL / $(LIBTOOL) ? |
| 08:21.28 | mnemoc | so people think it's wiser to just remove every .la files installed after each package is built |
| 08:21.44 | mnemoc | the location of the "cross-compiled" libtool |
| 08:22.10 | kos_tom | what is this "cross-compiled" libtool ? |
| 08:22.36 | mnemoc | $prefix-libtool |
| 08:22.45 | kos_tom | shouldn't we contribute to the official libtool to make it cross-compile aware and then push the changes to all the packages (at least the ones we use in embedded systems) ? |
| 08:23.23 | kos_tom | mnemoc: where do you get this $prefix-libtool ? It's not in the toolchains in general. |
| 08:23.41 | mnemoc | kos_tom: on that page you gave they tell you how to make one |
| 08:24.46 | mnemoc | one problem with libtool and autocr*p is that packages include old and broken copies of them in their source code |
| 08:25.48 | kos_tom | yes, that sucks, but we can probably improve the situation by pushing the proper patches upstream instead of having everyone facing the same problems on the same packages over and over again. |
| 08:31.25 | mnemoc | i would just shoot it's authors because of crimes against humanity :-\ |
| 08:31.56 | mnemoc | a "fix" upstream wouldn't change much the situation imo |
| 08:32.42 | mnemoc | miss a libtool and friends considered harmful paper |
| 08:37.06 | mnemoc | everything around libtool and autotools is so overcomplex and incoherent than no patch can fix it, is you don't get sick while looking at their code |
| 08:37.19 | mnemoc | if* |
| 08:41.35 | kos_tom | hm, this is sad. |
| 08:43.37 | mnemoc | sorry for the ranting, I just have "gained" too much anger against libtool and autotools |
| 08:45.57 | mnemoc | they are the direct cause of most nightmares I have had cross compiling |
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| 09:46.05 | nDuff | mnemoc, it's been a while since I had a job that consisted of porting 3rd-party software, but when I did, what I hated most was packages (*cough* perl *cough*) that brewed their own thing instead of using auto*; they invariably got some aspect of cross-compilation support (or support for obscurer environments) wrong. |
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| 09:53.32 | kos_tom | nDuff: yes. As bad as they are, the autocrap tools are still the best solution today to make packages cross-compilation ready. |
| 09:54.54 | mnemoc | nDuff: I fully understand the reason my auto* was created, and perl is an awesome example and how things can go worse |
| 09:58.15 | mnemoc | s/my/why/ |
| 09:58.26 | mnemoc | thanks ibot =) |
| 09:59.45 | nDuff | mnemoc, yar, perl's the one that still gives me nightmares after most of a decade out of that job. :) |
| 09:59.57 | nDuff | used to be one of the few userland folks at MontaVista. |
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| 10:01.34 | mnemoc | :) |
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| 14:06.38 | wmat | grr, this GAOFiberOptics company is annoying me on the wiki |
| 14:07.14 | shriram | im porting linux to a new board. i want to test if linux is really stable - what tests do you think i should run - just want to check the RAM stability |
| 14:19.13 | adyer | shriram: you could try this http://pyropus.ca/software/memtester/ |
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| 15:38.14 | prpplague | pb_: hey |
| 15:38.19 | prpplague | pb_: you alive this morning? |
| 15:39.46 | pb_ | yo plague |
| 15:39.54 | pb_ | prpplague: doh, I see you picked a fight with russell :-} |
| 15:40.09 | prpplague | indeed that was what i was going to ask about, do i sound out of line? |
| 15:41.44 | pb_ | no, I don't think so, but I can believe that he just forgot about your original patch rather than deliberately ignoring it. |
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| 15:42.38 | pb_ | as far as "elegance" goes, I don't think there's a whole lot to choose between the two versions. |
| 15:43.05 | pb_ | yours is probably just as good as the other, but then again it isn't any better either. |
| 15:43.17 | prpplague | yea which was kind of my point |
| 15:44.33 | pb_ | right, yeah |
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| 15:45.08 | prpplague | just grumbling, i've been trying to get that fixed since 2.6.16 and nico submits a patch and its accepted in 24 hours |
| 15:46.19 | prpplague | sour grapes i guess |
| 15:47.03 | shriram | hehe |
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| 16:03.51 | pb_ | prpplague: heh, right |
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