Re: [Qemu-devel] QEMU 1.2.0 -hda option not working

[Fam Zheng]

Try a kernel with this enabled [1]:

Device Drivers  --->
 ATA/ATAPI/MFM/RLL support  --->
  <*> ATA/ATAPI/MFM/RLL support
  <*>   Enhanced IDE/MFM/RLL disk/cdrom/tape/floppy support
  [*]     PCI IDE chipset support

[1] http://www.gentoo.org/doc/en/kernel-config.xml

---
Best regards!
Fam Zheng


On Fri, Nov 9, 2012 at 4:19 PM, Fam Zheng <address@hidden> wrote:
> I'm wondering if the interface might be IDE in this case?
>
> ---
> Best regards!
> Fam Zheng
>
>
> On Fri, Nov 9, 2012 at 4:09 PM, Vipin Gahlaut <address@hidden> wrote:
>> Hi Fam,
>>
>> My understanding is that I need to include SCSI driver support in kernel
>> that I already did. Do I need to include something else as well?
>>
>> Best Regards
>> Vipin
>>
>>
>> On Fri, Nov 9, 2012 at 1:35 PM, Fam Zheng <address@hidden> wrote:
>>>
>>> Is the device driver compiled in the kernel?
>>>
>>> ---
>>> Best regards!
>>> Fam Zheng
>>>
>>>
>>> On Fri, Nov 9, 2012 at 3:59 PM, Vipin Gahlaut <address@hidden> 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 (address@hidden) (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 address@hidden).
>>> > 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 <address@hidden>
>>> > 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 <address@hidden>
>>> > wrote:
>>> >>
>>> >> Hi,
>>> >>
>>> >> 2012/11/8 Vipin Gahlaut <address@hidden>
>>> >>>
>>> >>> 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
>>> >
>>> >
>>
>>