in file
/home/u1204/openwrt/trunk/build_dir/target-mipsel_uClibc-0.9.33.2/linux-brcm47xx/linux-3.8.13/drivers/mtd/bcm47xxpart.c
at line 111 variable "board_data" is used, but this board doesn't have a
"board_id".

regarding flash detection, if partition parser did not find root partition,
that means the kernel does not recognize the partition it's booting from?
or am i wrong? how to fix that, it is samsung K8P5516UZB-EI4E 32MB flash
chip, but due to it's flash layout only 8MB are useful for booting an image.


On 1 June 2013 10:34, Hauke Mehrtens <ha...@hauke-m.de> wrote:

> On 06/01/2013 04:23 PM, Tomislav Požega wrote:
> > compiled an image with patches included in my previous message, flashed
> > the device and got kernel panic and errors in log file
> >
> > i'm not sure how to proceed further with this
> >
> >
> >
> >  Decompressing.............done
> >
> >
> > CFE version 1.0.37 for BCM947XX (32bit,SP,LE)
> > Build Date: Tue Apr 28 09:59:43 CEST 2009 (jan@raptor)
> > Copyright (C) 2000,2001,2002,2003 Broadcom Corporation.
> >
> > Initializing Arena
> > Initializing Devices.
> > et0: Broadcom BCM47xx 10/100 Mbps Ethernet Controller 4.150.10.24
> > CPU type 0x29029: 240MHz
> > Total memory: 32768 KBytes
> >
> > Total memory used by CFE:  0x80700000 - 0x807B2DC0 (732608)
> > Initialized Data:          0x80730AA0 - 0x8074C590 (113392)
> > BSS Area:                  0x8074C590 - 0x8074CDC0 (2096)
> > Local Heap:                0x8074CDC0 - 0x807B0DC0 (409600)
> > Stack Area:                0x807B0DC0 - 0x807B2DC0 (8192)
> > Text (code) segment:       0x80700000 - 0x80730AA0 (199328)
> > Boot area (physical):      0x007B3000 - 0x007F3000
> > Relocation Factor:         I:00000000 - D:00000000
> >
> > Device eth0:  hwaddr 00-0C-E3-68-38-02, ipaddr 192.168.1.1, mask
> > 255.255.255.0
> >         gateway not set, nameserver not set
> > Loader:raw Filesys:raw Dev:flash0.os0 File: Options:(null)
> > RG offset = bc040000
> > Loading: .. 3836 bytes read
> > Entry at 0x80001000
> > Closing network.
> > Starting program at 0x80001000
> > [    0.000000] Linux version 3.8.13 (u1204@ubuntu) (gcc version 4.6.4
> > (OpenWrt/Linaro GCC 4.6-2012.12 r36813) ) #6 Sat Jun 1 03:28:03 EDT 2013
> ....
> > [    0.456000] Amd/Fujitsu Extended Query Table at 0x0040
> > [    0.464000]   Amd/Fujitsu Extended Query version 1.3.
> > [    0.468000] number of CFI chips: 1
> > [    0.528000] 2 bcm47xxpart partitions found on MTD device
> physmap-flash.0
> > [    0.532000] Creating 2 MTD partitions on "physmap-flash.0":
> > [    0.540000] 0x000000000000-0x000001fe0000 : "boot"
> > [    0.552000] 0x000001fe0000-0x000002000000 : "nvram"
>
> The partition parser did not found any root partition, then it can not
> mount any root partition. Have a look at drivers/mtd/bcm47xxpart.c.
>
> > [    0.568000] bcm47xx-wdt bcm47xx-wdt.0: BCM47xx Watchdog Timer enabled
> > (30 seconds, Software Timer)
> > [    0.580000] TCP: cubic registered
> > [    0.584000] NET: Registered protocol family 17
> > [    0.588000] Bridge firewalling registered
> > [    0.592000] 8021q: 802.1Q VLAN Support v1.8
> > [    0.604000] VFS: Cannot open root device "(null)" or
> > unknown-block(0,0): error -6
> > [    0.612000] Please append a correct "root=" boot option; here are the
> > available partitions:
> > [    0.620000] 1f00           32640 mtdblock0  (driver?)
> > [    0.624000] 1f01             128 mtdblock1  (driver?)
> > [    0.628000] Kernel panic - not syncing: VFS: Unable to mount root fs
> > on unknown-block(0,0)
> >
>
>
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