Re: Reg Linux-2.6.27 hang

Wan ZongShun <[email protected]>
Newsgroups gmane.linux.ports.arm.general
Message-ID <[email protected]> 
2009/11/10, Prabha J <[email protected]>:
> Hi,
> i tried enabling the EABI option in the kernel configuaration. Then also its
> hanging in the same place.
> We are using
> /opt/freescale/usr/local/gcc-4.1.1-glibc-2.4-nptl-sf-1/arm-926ejs-linux/bin/arm-926ejs-linux-
>  toolchain.
>
> Note: We have Linux-2.6.19.2 kernel working with or without enabling EABI
> option in the Kernel. If we use working kernels rootfilesystem with our
> zImage it is
> hanging at Freeing init memory.
>
> We also checked that Baudrate is correct(115200n8) and serial console is
> configured correctly.
> We  are blocked here for almost 2 weeks. Are we missing any
> configurations????
> Please help us in this regard.
>
> Thanks and Regards,
> Prabha
>
> We built our own filesystem with same toolchain as above. With this we are
> getting error as follows:
>
>
> *************************************
>  *         Card Information          *
>  *************************************
>  Card Type             : SD
>  Manufacturer ID       : 28
>  OEM/Application ID    : S
>  Product name          : SC
>  Product revision      : 1.0
>  Product serial number : 141073e
>  Size of Card          : 952 MBytes
>  ############
>  Read 1544192 bytes from file /zImage#
>  Dat is a3c0d5e4#######
>  Read 937984 bytes from file /initrd.gz
>  Launching Linux ...
>  Copying 178fe0 bytes of zImage from a1000000 to a0008000
>
>  Launch LinuxUncompressing
> Linux.............................................................................................
> done, booting the kernel.
> Linux version 2.6.28-arm2-00001-gace230c-dirty
> ([email protected]) (gcc version 4.4.1 (Sourcery G++ Lite
> 2009q3-68) ) #91 PREEMPT Wed Nov 4 22:50:459
> CPU: ARM926EJ-S [41069264] revision 4 (ARMv5TEJ), cr=00053177
> CPU: VIVT data cache, VIVT instruction cache
> Machine: Freescale i.MX27ADS
> Memory policy: ECC disabled, Data cache writeback
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
> Kernel command line: root=/dev/ram rw mem=64M console=ttymxc0,115200
> MXC GPIO hardware
> MXC IRQ initialized
> PID hash table entries: 256 (order: 8, 1024 bytes)
>
>  Clock input source is 26000000
>
>  After for loop
>  test1
>  CCM_PCCR1 = fe5aef88
>  b4 spll_clk.disable<6>Dentry cache hash table entries: 8192 (order: 3,
> 32768 bytes)
> Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
> Memory: 64MB = 64MB total
> Memory: 60140KB available (2672K code, 161K data, 100K init)
> Calibrating delay loop... 132.71 BogoMIPS (lpj=663552)
> Mount-cache hash table entries: 512
> CPU: Testing write buffer coherency: ok
> kernel thread started : M.V<6>net_namespace: 288 bytes
> NET: Registered protocol family 16
> NET: Registered protocol family 2
> IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
> TCP established hash table entries: 2048 (order: 2, 16384 bytes)
> TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
> TCP: Hash tables configured (established 2048 bind 2048)
> TCP reno registered
> NET: Registered protocol family 1
> checking if image is initramfs...it isn't (no cpio magic); looks like an
> initrd
> Freeing initrd memory: 1792K
> JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
> JFS: nTxBlock = 484, nTxLock = 3875
> msgmni has been set to 121
> io scheduler noop registered (default)
> Serial: IMX driver
> imx-uart.0: ttymxc0 at MMIO 0x1000a000 (irq = 20) is a IMX
> console [ttymxc0] enabled
> imx-uart.1: ttymxc1 at MMIO 0x1000b000 (irq = 19) is a IMX
> imx-uart.2: ttymxc2 at MMIO 0x1000c000 (irq = 18) is a IMX
> imx-uart.3: ttymxc3 at MMIO 0x1000d000 (irq = 17) is a IMX
> imx-uart.4: ttymxc4 at MMIO 0x1001b000 (irq = 49) is a IMX
> imx-uart.5: ttymxc5 at MMIO 0x1001c000 (irq = 48) is a IMX
> brd: module loaded
> loop: module loaded
> physmap platform flash device: 02000000 at c0000000
> physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank
> Support for command set 0002 not present
> gen_probe: No supported Vendor Command Set found
> physmap-flash physmap-flash.0: map_probe failed
> TCP cubic registered
> NET: Registered protocol family 17
> RPC: Registered udp transport module.
> RPC: Registered tcp transport module.
> RAMDISK: Compressed image found at block 0
> RAMDISK: incomplete write (-28 != 32768) 4194304
> VFS: Mounted root (ext2 filesystem).
> Freeing init memory: 100K
> attempt to access beyond end of device
> ram0: rw=0, want=16530, limit=8192
> EXT2-fs error (device ram0): ext2_get_inode: unable to read inode block -
> inode=2082, block=8264
> Warning: unable to open an initial console.
> after call to sys_dup second time<6>attempt to access beyond end of device
> ram0: rw=0, want=10244, limit=8192
> attempt to access beyond end of device
> ram0: rw=0, want=10244, limit=8192
> /sbin/init exit code: -2
> after call to /sbin/init<6>attempt to access beyond end of device

From your log, I think you have gotten more wrongs,firstly ,please try
to configure your following option and testing.

 [*]   RAM block device support
     (16)    Default number of RAM disks
     (16384) Default RAM disk size (kbytes)



> ram0: rw=0, want=16542, limit=8192
> EXT2-fs error (device ram0): ext2_get_inode: unable to read inode block -
> inode=2129, block=8270
> /etc/init exit code: -5
> after call to /etc/init<6>attempt to access beyond end of device
> ram0: rw=0, want=16522, limit=8192
> EXT2-fs error (device ram0): ext2_get_inode: unable to read inode block -
> inode=2049, block=8260
> /bin/init exit code: -5
> after call to /bin/init<6>attempt to access beyond end of device
> ram0: rw=0, want=16522, limit=8192
> EXT2-fs error (device ram0): ext2_get_inode: unable to read inode block -
> inode=2049, block=8260
> /bin/sh exit code: -5
> after call to /sh/init<0>Kernel panic - not syncing: No init found.  Try
> passing init= option to kernel.
>
> ____________
>
> [email protected] wrote: -----
> To: Prabha J <[email protected]>
> From: Wan ZongShun
> Sent by: [email protected]
> Date: 11/05/2009 08:07PM
> cc: [email protected]
> Subject: Re: Reg Linux-2.6.27 hang
>
>
> Hi Prabha,
>
> Please pay attention to the EABI configure option.
>
> 2009/11/2 Prabha J <[email protected]>:
> >
> > Hi ,
> >
> > we are porting linux 2.6.27 on imx27 based platform. we did all the
> platform
> > dependent changes .
> >
> > With this linux is booting till a point and stopping there ..
> >
> > stopping at
> >
> > (VFS) Mounting file system
> > Freeing init memory
> >
> > While debugging through printk we could go till
> >
> > rest_init()  -> kernel _init() -> init_post() --->
> >
> > Going for opening initial console . .... using sys_open() .... After that
> no
> > prints .......
> >
> >
> > Can any body help us to go forward ?
> >
> > Thanks in advance ,
> > Prabha
> >
> >
> > Please see the following logs ..
> >
> > Launch LinuxUncompressing
> >
> Linux......................................................................
> > done, booting the kernel.
> > Linux version 2.6.28-arm2 ([email protected]) (gcc version 4.1.1)
> > #75 Wed Oct 28 13:12:53 IST 2009
> > CPU: ARM926EJ-S [41069264] revision 4 (ARMv5TEJ), cr=00053177
> > CPU: VIVT data cache, VIVT instruction cache
> > Machine: Freescale i.MX27ADS
> > Memory policy: ECC disabled, Data cache writeback
> > Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
> > Kernel command line: root=/dev/ram rw mem=64M console=ttymxc0,115200
> > MXC GPIO hardware
> > MXC IRQ initialized
> > PID hash table entries: 256 (order: 8, 1024 bytes)
> >
> >  Clock input source is 26000000
> >
> >  After for loop
> >  test1
> >  CCM_PCCR1 = fe5aef88
> >  b4 spll_clk.disableConsole: colour dummy device 80x30
> > Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
> > Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
> > Memory: 64MB = 64MB total
> > Memory: 60780KB available (1956K code, 252K data, 92K init)
> > Calibrating delay loop... 132.71 BogoMIPS (lpj=663552)
> > Security Framework initialized
> > Mount-cache hash table entries: 512
> > CPU: Testing write buffer coherency: ok
> > kernel thread started : M.V<5>SCSI subsystem initialized
> > checking if image is initramfs...it isn't (no cpio magic); looks like an
> > initrd
> > do_sys_open entry<6>Freeing initrd memory: 1792K
> > NetWinder Floating Point Emulator V0.97 (extended precision)
> > VFS: Disk quotas dquot_6.5.1
> > Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> > JFS: nTxBlock = 489, nTxLock = 3914
> > msgmni has been set to 122
> > io scheduler noop registered
> > io scheduler anticipatory registered
> > io scheduler deadline registered
> > io scheduler cfq registered (default)
> > Serial: IMX driver
> > imx-uart.0: ttymxc0 at MMIO 0x1000a000 (irq = 20) is a IMX
> > console [ttymxc0] enabled
> > imx-uart.1: ttymxc1 at MMIO 0x1000b000 (irq = 19) is a IMX
> > imx-uart.2: ttymxc2 at MMIO 0x1000c000 (irq = 18) is a IMX
> > imx-uart.3: ttymxc3 at MMIO 0x1000d000 (irq = 17) is a IMX
> > imx-uart.4: ttymxc4 at MMIO 0x1001b000 (irq = 49) is a IMX
> > imx-uart.5: ttymxc5 at MMIO 0x1001c000 (irq = 48) is a IMX
> > brd: module loaded
> > loop: module loaded
> > st: Version 20080504, fixed bufsize 32768, s/g segs 256
> > Driver 'st' needs updating - please use bus_type methods
> > Driver 'sd' needs updating - please use bus_type methods
> > drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
> > do_sys_open entrydo_sys_open entry<5>RAMDISK: Compressed image found at
> > block 0
> > EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
> > VFS: Mounted root (ext2 filesystem).
> > Freeing init memory: 92K
> >
> >
> > After this some junk characters are coming like ....
> >
> > ��֍�&#531488;0^ޝ��r�'���ϊ��r:�������:��M� ��D�d�z ?��
> > Τ��8V�`�Т���V잊]nn]^ｸ�m8m��^� �m� E��N��8��6���:]���
> >
> >
> >
> >
> >
>
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