Hi, I had the same problem two weeks ago, and my error was that I forgot to add PTY support on the linux kernel.
Hope this help! Paula On 3/3/06, Patil, Pankaj P. <Pankaj.Patil at hp.com> wrote: > > I do have /dev/console in my file system. In fact , i used ethereal on > the host to see how far the INIT goes. > I saw all the usual NFS Lookup calls like /lib, /ld-2.3.1.so ..... /libc- > 2.31.so > The last NFS lookup call looks like DH:0xbea72a4a/tty0 > There are bunch of read replys after that but no more NFS lookups. Is it > normal to see a NFS Lookup that looks like 0xbea72a4a/tty0 ?? > What should be the next NFS Lookup call? > I did some searching from previous posts but haven't found exactly what i > am looking for. I am attaching a link to something that looks similar to my > problem. Just in case, someone's having trouble understanding my issue. > http://ozlabs.org/pipermail/linuxppc-embedded/2004-August/015250.html > > Thanks > pankaj > > -----Original Message----- > From: atul.sabharwal at exgate.tek.com > [mailto:atul.sabharwal at exgate.tek.com] > Sent: Tuesday, February 28, 2006 6:03 PM > To: Patil, Pankaj P. > Cc: linuxppc-embedded at ozlabs.org > Subject: RE: INIT: > > > Easy answer is do you have /dev/console in your file system. Glibc > opens > /dev/console and the kernel uses /dev/ttyS0 as specified on the command > line. There should not be any app calling uart_close as the console > deriver > should be opening it. > > -- > Atul > > Hi, > I am running u-boot & linux2.6.12 on a custom ppc board(functional HW). > I can get to the point where u-boot loads the kernel, kernel does all > the initialization, loads the Root File System over NFS & calls the > Init process. > Next, i am expecting to see a shell prompt. I am not sure where in the > Init process i am failing. I have written my own serial driver(Philips > SC28L194 Quad UART--under development-possible culprit). The printks > work just fine. > All i see is the kernel calling the Init process & after a minute or so > i see uart_close call. > The kernel runs just fine & responds to ping. > What can trigger a uart_close??(tty_release calls release_dev calls > uart_close) I have a JTAG debugger. What's the best way to debug once > Init process is running?? > > > > I am attaching a dump of my console: > U-Boot 1.1.3 (Dec 16 2005 - 16:00:23), Build: 0.4.1 > > SysClock = 120Mhz , TClock = 120Mhz > CPU: MPC7447A v1.1 @ 960 MHz > CPU bus mode : 60x > > DRAM: SPD Checksum ok! > -- DIMM1 has 2 banks > -- DIMM2 has 0 banks > ECC Initialization of Bank 0: Done > CAS Latency = 2 tRP = 3 tRAS = 6 tRCD=3 > Total SDRAM memory is 1024 MB > Now running in RAM - U-Boot at: 00fc0000 > Remapped Internal SRAM to 0xf2000000 > Remapped Flash Card to 0xffc00000 > FLASH: 4 MB > Addresses 32M - 0M are saved for the U-Boot usage. > Mem malloc Initialization (32M - 16M): Done > > Internal SRAM ECC Initialization: Done > ***Phy Reset*** > Phy Auto-Negotiation Bit ReEnabled in SW > Net: , mv_enet1 [PRIME] > Hit any key to stop autoboot: 0 > Ethernet status port 1: Link up, Full Duplex, Speed 100 Mbps > Using mv_enet1 device > TFTP from server 192.168.1.1; our IP address is 192.168.1.2 > Filename 'uImage'. > Load address: 0x400000 > Loading: > ################################################################# > > ################################################################# > > ################################################################# > ######################## > done > Bytes transferred = 1119847 (111667 hex) > > ### Network statistics: ### > -------------------------- > Packets received: 2192 > Packets send: 2191 > Received bytes: 2347583 > Send bytes: 100803 > ## Booting image at 00400000 ... > Image Name: Linux-2.6.12 > Created: 2006-02-14 0:37:17 UTC > Image Type: PowerPC Linux Kernel Image (gzip compressed) > Data Size: 1119783 Bytes = 1.1 MB > Load Address: 00000000 > Entry Point: 00000000 > Verifying Checksum ... OK > Uncompressing Kernel Image ... OK > ## cmdline at 0x007FFF00 ... 0x007FFF98 > memstart = 0x00000000 > memsize = 0x40000000 > flashstart = 0xFFC00000 > flashsize = 0x00400000 > flashoffset = 0x00000000 > sramstart = 0xF8000000 > sramsize = 0x00400000 > bootflags = 0x00000001 > intfreq = 960 MHz > busfreq = 120 MHz > ethaddr = 64:00:00:00:00:00 > IP addr = 192.168.1.2 > baudrate = 115200 bps > tclk = 0 MHz > uboot_ver = 0.4.1a > L3 was init = 0 > Total memory = 768MB; using 2048kB for hash table (at c0400000) > Linux version 2.6.12 (root at RHEL40) (gcc version 3.3.3 (DENX ELDK 3.1.1 > 3.3.3-10)) #154 Mon Feb 13 17:36:35 MST 2006 > System Identification: > Freescale 74XX port > Built 1 zonelists > Kernel command line: console=ttyS0,115200 root=/dev/nfs rw > nfsroot=192.168.1.1:/target/chestnut/rootfs > ip=192.168.1.2:192.168.1.1:192.168.1.1:255.255.255.0:DB64xxx:eth0:non > e > PID hash table entries: 4096 (order: 12, 65536 bytes) > time_init: decrementer frequency = 30.000000 MHz > Console: colour dummy device 80x25 > Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) > Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) > Memory: 774400k available (1596k kernel code, 556k data, 344k init, 0k > highmem) > Mount-cache hash table entries: 512 > > NET: Registered protocol family 16 > PCI: Probing PCI hardware > JFFS2 version 2.2. (C) 2001-2003 Red Hat, Inc. > Generic RTC Driver v1.07 > Serial: SC28L194 driver 4 ports > ttyS0 at MMIO 0x0 (irq = 17) is a PHILIPS SC28L194 > ttyS1 at MMIO 0x0 (irq = 17) is a PHILIPS SC28L194 > ttyS2 at MMIO 0x0 (irq = 17) is a PHILIPS SC28L194 > ttyS3 at MMIO 0x0 (irq = 17) is a PHILIPS SC28L194 > io scheduler noop registered > io scheduler anticipatory registered > io scheduler deadline registered > io scheduler cfq registered > RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize > loop: loaded (max 8 devices) > MV-643xx 10/100/1000 Ethernet Driver > eth0: port 1 with MAC address 00:11:85:da:0b:02 > eth0: RX NAPI Enabled > physmap flash device: 400000 at ffc00000 > mice: PS/2 mouse device common for all mice > NET: Registered protocol family 2 > IP: routing cache hash table of 8192 buckets, 64Kbytes > TCP established hash table entries: 131072 (order: 8, 1048576 bytes) > TCP bind hash table entries: 65536 (order: 6, 262144 bytes) > TCP: Hash tables configured (established 131072 bind 65536) > NET: Registered protocol family 1 > NET: Registered protocol family 17 > IP-Config: Complete: > device=eth0, addr=192.168.1.2, mask=255.255.255.0, gw=192.168.1.1, > host=DB64xxx, domain=, nis-domain=(none), > bootserver=192.168.1.1, rootserver=192.168.1.1, rootpath= > Looking up port of RPC 100003/2 on 192.168.1.1 > Looking up port of RPC 100005/1 on 192.168.1.1 > VFS: Mounted root (nfs filesystem). > Freeing unused kernel memory: 344k init > > > Any help appreceated. > Thanks > pankaj > > > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded at ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded at ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > -------------- next part -------------- An HTML attachment was scrubbed... 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