[OpenWrt-Devel] Linux 4.x
Baptiste Clenet
bapclenet at gmail.com
Mon Jun 8 10:42:37 EDT 2015
2015-06-08 16:02 GMT+02:00 Baptiste Clenet <bapclenet at gmail.com>:
> 2015-06-08 15:23 GMT+02:00 Varka Bhadram <varkabhadram at gmail.com>:
>>
>> On Jun 8, 2015 6:41 PM, "Baptiste Clenet" <bapclenet at gmail.com> wrote:
>>>
>>> 2015-06-08 14:46 GMT+02:00 Baptiste Clenet <bapclenet at gmail.com>:
>>> > 2015-06-08 14:20 GMT+02:00 Varka Bhadram <varkabhadram at gmail.com>:
>>> >> On 06/08/2015 05:48 PM, Baptiste Clenet wrote:
>>> >>>
>>> >>> 2015-06-08 14:10 GMT+02:00 Varka Bhadram <varkabhadram at gmail.com>:
>>> >>>>
>>> >>>> On 06/08/2015 05:27 PM, Baptiste Clenet wrote:
>>> >>>>>
>>> >>>>> 2015-06-08 13:49 GMT+02:00 Baptiste Clenet <bapclenet at gmail.com>:
>>> >>>>>>
>>> >>>>>> 2015-06-08 10:53 GMT+02:00 Varka Bhadram <varkabhadram at gmail.com>:
>>> >>>>>>>
>>> >>>>>>> On 06/08/2015 01:36 PM, Baptiste Clenet wrote:
>>> >>>>>>>
>>> >>>>>>>>>> I've edited variable KERNEL_PATCHVER:=3.18 to
>>> >>>>>>>>>> KERNEL_PATCHVER:=4.0.4
>>> >>>>>>>>>> in target/Linux/ramips/Makefile in order to get Linux 4.0.4
>>> >>>>>>>>>> installed
>>> >>>>>>>>>
>>> >>>>>>>>>
>>> >>>>>>>>> Also you need to specify the configuration file for 4.0.4
>>> >>>>>>>>> kernel.
>>> >>>>>>>>>
>>> >>>>>>>>> just copy the file target/linux/ramips/mt7628/config-3.18 as
>>> >>>>>>>>> target/linux/ramips/mt7628/config-4.0
>>> >>>>>>>>>
>>> >>>>>>>>> I hope it will resolve this error.
>>> >>>>>>>>>
>>> >>>>>>>>> --
>>> >>>>>>>>> Varka Bhadram
>>> >>>>>>>>>
>>> >>>>>>>> Thanks Varka, I copied the files, I'm trying to make now. On
>>> >>>>>>>> question
>>> >>>>>>>> came up, what about patches? There are many patches for Linux
>>> >>>>>>>> 3.18,
>>> >>>>>>>> is
>>> >>>>>>>> there any for Linux 4.0? target/linux/ramips/mt7628 only contains
>>> >>>>>>>> a
>>> >>>>>>>> folder for 3.18 patches.
>>> >>>>>>>
>>> >>>>>>>
>>> >>>>>>> There may be so-many patches merged into 4.0 from patches-3.18
>>> >>>>>>> directory..?
>>> >>>>>>>
>>> >>>>>>> I just created a directory with the name patches-4.0 under
>>> >>>>>>> target/linux/ramips/ .
>>> >>>>>>>
>>> >>>>>>> I think its a bad solution. But the build was successful and able
>>> >>>>>>> generate
>>> >>>>>>> the
>>> >>>>>>> binaries in bin/ramips directory. I don't know whether these
>>> >>>>>>> binaries
>>> >>>>>>> working
>>> >>>>>>> or not. I don't have hardware to test these binaries.
>>> >>>>>
>>> >>>>> Why is it a bad solution?
>>> >>>>>
>>> >>>>>>> I only copied one patch from patches-3.18 to 4.0 to fix one build
>>> >>>>>>> error.
>>> >>>>>>> i.e., 0103-MIPS-OWRTDTB.patch
>>> >>>>>>>
>>>
>>>
>>> "/trunk/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/linux-ramips_mt7628/MT7628.dtb
>>> DTB marker not found!"
>>> Was it the error?
>>>
>>> I added 'trunk/target/linux/ramips/patches-4.0/0103-MIPS-OWRTDTB.patch'
>>> but it didn't solve the problem. Do I need to tell OPENWRT to use
>>> patches-4.0?
>>>
>> Try
>> make target/linux/{clean,prepare} V=s
>> make
>>
>>> Baptiste
>>>
>>> >>>>>>> Hope it helps. Its just a shoot in the dark for your problem.
>>> >>>>>>>
>>> >>>>>>> Test it and update the results.
>>> >>>>>>>
>>> >>>>>>> Thanks
>>> >>>>>>>
>>> >>>>>>> --
>>> >>>>>>> Varka Bhadram
>>> >>>>>>>
>>> >>>>>> Without adding the patch 0103-MIPS-OWRTDTB.patch, I got an error:
>>> >>>>>>
>>> >>>>>> WARNING: kmod-6lowpan-iphc is not available in the kernel config -
>>> >>>>>> generating empty package
>>> >>>>>>
>>> >>>>>> ...
>>> >>>>>>
>>> >>>>>> ERROR: module
>>> >>>>>>
>>> >>>>>>
>>> >>>>>> '/trunk/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/linux-ramips_mt7628/linux-4.0.4/net/bluetooth/rfcomm/rfcomm.ko'
>>> >>>>>> is missing.
>>> >>>>>>
>>> >>>>>> This is about a package I added in menuconfig but I need them.
>>> >>>>>> Those
>>> >>>>>> package worked well while compiling with Linux 3.18. Any idea?
>>> >>>>
>>> >>>>
>>> >>>> What package did you add..?
>>> >>>
>>> >>> I added :
>>> >>> - kmod-bluetooth
>>> >>> - kmod-bluetooth_6lowpan
>>> >>> - kmod-6lowpan
>>> >>> - kmod-ieee802154
>>> >>> - kmod-ieee802154-6lowpan
>>> >>> - kmod-ieee802154-drivers
>>> >>> - kmod-mac802154
>>> >>> - kmod-wpan-at86rf230
>>> >>> - iw
>>> >>> - wpan-tools
>>> >>
>>> >>
>>> >> These are already came into OpenWrt with [1].
>>> >>
>>> >>
>>> >> [1]:https://lists.openwrt.org/pipermail/openwrt-devel/2015-April/032515.html
>>> >>
>>> >> --
>>> >> Varka Bhadram
>>> >>
>>> >
>>> > Yes, I saw, I meant by added "set in menuconfig".
>>> >
>>> > You meant that with or without those module, it should work?
>>> >
>>> > Baptiste
>
>
> Thanks Varka for your help!
>
> It compiles now without those module:
> - kmod-bluetooth
> - kmod-bluetooth_6lowpan
> - kmod-6lowpan
> - kmod-ieee802154
> - kmod-ieee802154-6lowpan
> - kmod-ieee802154-drivers
> - kmod-mac802154
> - kmod-wpan-at86rf230
> - wpan-tools
>
> It's basically the same conf as yours.
>
> I don't get why those module would make an error since they worked
> well with Linux 3.18.
>
> Here are my tries:
> - kmod-6lowpan
> - kmod-ieee802154
> - kmod-ieee802154-6lowpan
> - kmod-ieee802154-drivers
> - kmod-mac802154
> - kmod-wpan-at86rf230
> - wpan-tools
> --> ERROR: module
> '/trunk/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/linux-ramips_mt7628/linux-4.0.4/net/ieee802154/af_802154.ko'
> is missing.
>
> - kmod-bluetooth
> - kmod-bluetooth_6lowpan
> - kmod-6lowpan
> - kmod-ieee802154
> - kmod-ieee802154-6lowpan
> - kmod-ieee802154-drivers
> - kmod-mac802154
> - kmod-wpan-at86rf230
> - wpan-tools
> --->ERROR: module
> '/trunk/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/linux-ramips_mt7628/linux-4.0.4/net/bluetooth/rfcomm/rfcomm.ko'
> is missing.
Just to let you know the result with a minimal configuration for the
MT7628 and Linux 4.0.4:
Starting kernel ...
[ 0.000000] Linux version 4.0.4 (- at ubuntu) (gcc version 4.8.3
(OpenWrt/Linaro GCC 4.8-2014.04 r45769) ) #1 Mon Jun 8 15:47:55 CEST
2015
[ 0.000000] Board has DDR2
[ 0.000000] Analog PMU set to hw control
[ 0.000000] Digital PMU set to hw control
[ 0.000000] SoC Type: Ralink MT7628AN ver:1 eco:2
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 00019655 (MIPS 24KEc)
[ 0.000000] MIPS: machine is Mediatek MT7628AN evaluation board
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 02000000 @ 00000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x0000000001ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x0000000001ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000001ffffff]
[ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 32kB, 4-way, PIPT, no aliases,
linesize 32 bytes
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.
Total pag es: 8128
[ 0.000000] Kernel command line: console=ttyS0,57600
rootfstype=squashfs,jffs2
[ 0.000000] PID hash table entries: 128 (order: -3, 512 bytes)
[ 0.000000] Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Writing ErrCtl register=00018007
[ 0.000000] Readback ErrCtl register=00018007
[ 0.000000] Memory: 29084K/32768K available (2406K kernel code,
100K rwdata, 472K rodata, 148K init, 180K bss, 3684K reserved, 0K
cma-reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS:128
[ 0.000000] intc: using register map from devicetree
[ 0.000000] CPU Clock: 580MHz
[ 0.000000] clocksource_of_init: no matching clocksources found
[ 0.000000] Calibrating delay loop... 385.84 BogoMIPS (lpj=1929216)
[ 0.060000] pid_max: default: 32768 minimum: 301
[ 0.060000] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.070000] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.080000] NET: Registered protocol family 16
[ 0.100000] Switched to clocksource MIPS
[ 0.110000] NET: Registered protocol family 2
[ 0.110000] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.130000] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.140000] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.150000] TCP: reno registered
[ 0.160000] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.170000] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.180000] NET: Registered protocol family 1
[ 0.190000] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.220000] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.230000] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME)
(CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 0.260000] io scheduler noop registered
[ 0.260000] io scheduler deadline registered (default)
[ 0.270000] Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled
[ 0.290000] console [ttyS0] disabled
[ 0.290000] 10000c00.uartlite: ttyS0 at MMIO 0x10000c00 (irq = 28,
base_baud = 2500000) is a 16550A
[ 0.310000] console [ttyS0] enabled
[ 0.310000] console [ttyS0] enabled
[ 0.330000] bootconsole [early0] disabled
[ 0.330000] bootconsole [early0] disabled
[ 0.340000] TCP: cubic registered
[ 0.350000] NET: Registered protocol family 17
[ 0.360000] bridge: automatic filtering via arp/ip/ip6tables has
been deprecated. Update your scripts to load br_netfilter if you need
this.
[ 0.380000] 8021q: 802.1Q VLAN Support v1.8
[ 0.400000] VFS: Cannot open root device "(null)" or
unknown-block(0,0): error -6
[ 0.410000] Please append a correct "root=" boot option; here are
the available partitions:
[ 0.430000] Kernel panic - not syncing: VFS: Unable to mount root
fs on unknown-block(0,0)
[ 0.430000] ---[ end Kernel panic - not syncing: VFS: Unable to
mount root fs on unknown-block(0,0)
[ 82.640000] random: nonblocking pool is initialized
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