Is the device driver compiled in the kernel? --- Best regards! Fam Zheng
On Fri, Nov 9, 2012 at 3:59 PM, Vipin Gahlaut <gail...@gmail.com> wrote: > Hi Dunrong, > > I tried your suggestion but it is not working. Please find more details > below. > > 1. I have created image using qemu-img command (qemu-img create -disk.img > 1G), loop mounted it and installed root file system on this image. > > 2. I am using linux kernel 3.5.5 and made sure that SCSI support is included > in the kernel. Using QEMU 1.2.0 > > 3. Running QEMU as below > > /usr/local/bin/qemu-system-arm -M versatilepb -kernel > /home/vgahlaut/labs/linux-3.5.5/arch/arm/boot/zImage -nographic -hda > /home/vgahlaut/labs/disk.img -append "root=/dev/sda mem=128M > console=ttyAMA0,115200" > > 4.Getting Error (VFS: Cannot open root device "sda" or unknown-block(0,0): > error -6). Please see complete logs below > ======== > Uncompressing Linux... done, booting the kernel. > Booting Linux on physical CPU 0 > Linux version 3.5.5 (vgahlaut@ubuntu) (gcc version 4.3.2 (crosstool-NG > 1.16.0) ) #21 Fri Nov 9 10:42:54 IST 2012 > CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00093177 > CPU: VIVT data cache, VIVT instruction cache > Machine: ARM-Versatile PB > Memory policy: ECC disabled, Data cache writeback > sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956ms > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512 > Kernel command line: root=/dev/sda mem=128M console=ttyAMA0,115200 > PID hash table entries: 512 (order: -1, 2048 bytes) > Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) > Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) > Memory: 128MB = 128MB total > Memory: 126048k/126048k available, 5024k reserved, 0K highmem > Virtual kernel memory layout: > vector : 0xffff0000 - 0xffff1000 ( 4 kB) > fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) > vmalloc : 0xc8800000 - 0xff000000 ( 872 MB) > lowmem : 0xc0000000 - 0xc8000000 ( 128 MB) > .text : 0xc0008000 - 0xc0360810 (3427 kB) > .init : 0xc0361000 - 0xc0381cbc ( 132 kB) > .data : 0xc0382000 - 0xc03a9100 ( 157 kB) > .bss : 0xc03a9124 - 0xc03c3c9c ( 107 kB) > NR_IRQS:192 > VIC @f1140000: id 0x00041190, vendor 0x41 > FPGA IRQ chip 0 "SIC" @ f1003000, 21 irqs > Console: colour dummy device 80x30 > Calibrating delay loop... 425.16 BogoMIPS (lpj=2125824) > pid_max: default: 32768 minimum: 301 > Mount-cache hash table entries: 512 > CPU: Testing write buffer coherency: ok > Setting up static identity map for 0x2c2aa0 - 0x2c2af8 > devtmpfs: initialized > NET: Registered protocol family 16 > Serial: AMBA PL011 UART driver > dev:f1: ttyAMA0 at MMIO 0x101f1000 (irq = 12) is a PL011 rev1 > console [ttyAMA0] enabled > dev:f2: ttyAMA1 at MMIO 0x101f2000 (irq = 13) is a PL011 rev1 > dev:f3: ttyAMA2 at MMIO 0x101f3000 (irq = 14) is a PL011 rev1 > fpga:09: ttyAMA3 at MMIO 0x10009000 (irq = 38) is a PL011 rev1 > bio: create slab <bio-0> at 0 > SCSI subsystem initialized > Advanced Linux Sound Architecture Driver Version 1.0.25. > Switching to clocksource timer3 > NET: Registered protocol family 2 > IP route cache hash table entries: 1024 (order: 0, 4096 bytes) > TCP established hash table entries: 4096 (order: 3, 32768 bytes) > TCP bind hash table entries: 4096 (order: 2, 16384 bytes) > TCP: Hash tables configured (established 4096 bind 4096) > TCP: reno registered > UDP hash table entries: 256 (order: 0, 4096 bytes) > UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) > NET: Registered protocol family 1 > RPC: Registered named UNIX socket transport module. > RPC: Registered udp transport module. > RPC: Registered tcp transport module. > RPC: Registered tcp NFSv4.1 backchannel transport module. > NetWinder Floating Point Emulator V0.97 (double precision) > Installing knfsd (copyright (C) 1996 o...@monad.swb.de). > jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc. > ROMFS MTD (C) 2007 Red Hat, Inc. > msgmni has been set to 246 > Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254) > io scheduler noop registered > io scheduler deadline registered > io scheduler cfq registered (default) > clcd-pl11x dev:20: >PL110 rev0 at 0x10120000 > clcd-pl11x dev:20: >Versatile hardware, VGA display > Console: switching to colour frame buffer device 80x60 > Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled > brd: module loaded > physmap platform flash device: 04000000 at 34000000 > physmap-flash.0: Found 1 x32 devices at 0x0 in 32-bit bank. Manufacturer ID > 0x000000 Chip ID 0x000000 > Intel/Sharp Extended Query Table at 0x0031 > Using buffer write method > smc91x.c: v1.1, sep 22 2004 by Nicolas Pitre <n...@fluxnic.net> > eth0: SMC91C11xFD (rev 1) at c8886000 IRQ 25 [nowait] > eth0: Ethernet addr: 52:54:00:12:34:56 > mousedev: PS/2 mouse device common for all mice > i2c /dev entries driver > mmci-pl18x fpga:05: >mmc0: PL181 manf 41 rev0 at 0x10005000 irq 22,33 (pio) > mmci-pl18x fpga:0b: >mmc1: PL181 manf 41 rev0 at 0x1000b000 irq 23,34 (pio) > input: AT Raw Set 2 keyboard as /devices/fpga:06/serio0/input/input0 > aaci-pl041 fpga:04: >ARM AC'97 Interface PL041 rev0 at 0x10004000, irq 24 > aaci-pl041 fpga:04: >FIFO 512 entries > TCP: cubic registered > NET: Registered protocol family 17 > VFP support v0.3: implementor 41 architecture 1 part 10 variant 9 rev 0 > ALSA device list: > #0: ARM AC'97 Interface PL041 rev0 at 0x10004000, irq 24 > input: ImExPS/2 Generic Explorer Mouse as > /devices/fpga:07/serio1/input/input1 > VFS: Cannot open root device "sda" or unknown-block(0,0): error -6 > Please append a correct "root=" boot option; here are the available > partitions: > 1f00 65536 mtdblock0 (driver?) > Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(0,0) > [<c00199f0>] (unwind_backtrace+0x0/0xf4) from [<c02c0a8c>] > (panic+0x6c/0x1cc) > [<c02c0a8c>] (panic+0x6c/0x1cc) from [<c0361f8c>] > (mount_block_root+0x178/0x238) > [<c0361f8c>] (mount_block_root+0x178/0x238) from [<c03620cc>] > (mount_root+0x80/0x100) > [<c03620cc>] (mount_root+0x80/0x100) from [<c0362264>] > (prepare_namespace+0x118/0x1ec) > [<c0362264>] (prepare_namespace+0x118/0x1ec) from [<c03614cc>] > (kernel_init+0x144/0x1d4) > [<c03614cc>] (kernel_init+0x144/0x1d4) from [<c0015348>] > (kernel_thread_exit+0x0/0x8) > > Best Regards > Vipin > > > > > > On Fri, Nov 9, 2012 at 7:39 AM, Dunrong Huang <riegama...@gmail.com> wrote: >> >> Hi, >> >> 2012/11/8 Vipin Gahlaut <gail...@gmail.com> >>> >>> Hi Experts, >>> >>> I am using qemu 1.2.0 and using arm versatilepb model. I am spevifying >>> -hda hdd.img but linux is not able to recognize hard disk. I do not see it >>> in device nodes. NONE of below exist in device nodes >> >> >> try following command: >> qemu-system-arm ... your-qemu-option ... -append "root=/dev/sda mem=256" >>> >>> >>> /dev/sda >>> /dev/sda1 >>> /dev/hda >>> /dev/hda1 >>> >>> Can anyone please help? >>> >>> >> >> >> >> -- >> Best Regards, >> >> Dunrong Huang > >