Re: [Qemu-devel] BeOS R5 boot failure

[Natalia Portillo]

El 23/03/2010, a las 10:07, François Revol escribió:

> I've been trying for some time to get an old BeOS R5 image to boot,  
> but
> it seems it doesn't like QEMU's IDE controller:
>
> Trying /dev/disk/ide/ata/0/master/0/raw
> IDE PCI -- find_devices: intel 82371SB (PIIX3) chipset
> IDE PCI -- find_devices: controller supports DMA
> IDE ATA -- configure_device: selected dma mode bad,
>                             disable dma for this device
> IDE ATA -- get_bios_driveinfo: ata/0/0 match bios drive 0x80
> found boot device: /dev/disk/ide/ata/0/master/0/raw
> IDE PCI -- find_devices: intel 82371SB (PIIX3) chipset
> IDE PCI -- find_devices: controller supports DMA
> IDE ATA -- configure_device: selected dma mode bad,
>                             disable dma for this device
> IDE ATA -- get_bios_driveinfo: ata/0/0 match bios drive 0x80
> IDE PCI -- find_devices: intel 82371SB (PIIX3) chipset
> IDE PCI -- find_devices: controller supports DMA
> IDE ATA -- configure_device: selected dma mode bad,
>                             disable dma for this device
> IDE ATA -- get_bios_driveinfo: ata/0/0 match bios drive 0x80
> warning: fs blocks fa000 larger than device blocks 0
> bad super block
> KERNEL PANIC: was unable to mount /dev/disk/ide/ata/0/master/0/0_0  
> type
> bfs on /boot
>
>
> Anyone has a clue ?

It's a known bug but nobody knows or has time to apply a solution.

Bochs had the same bug and corrected it about November 2009, maybe  
checking their commit will make light to correct QEMU.

> It seems VirtualBox has the same issue. Older versions (ZETA) seem to
> work fine, but they have a totally different IDE subsystem.

VirtualPC had the same fail also.
Zeta however is not an older version but a newer one.
Considering Zeta is a non-authorized hack, who knows what have they  
changed.
The bug is present on BeOS R3, R4, R4.5 and R5.

> The warning suggest the block device is seen as having a size of 0,
> though oddly it seems to be able to read from it since it gets the  
> size
> of the BFS in the superblock...
>
> I've rebuilt with DEBUG_IDE and put a log here:
> http://revolf.free.fr/beos/qemu-beosr5-bad-ide-20100323.log
>
> Note disabling DMA in the boot menu (space bar, Select safe mode
> options) doesn't help either...
> Use F1 at boot to get serial output.
>
> The image is available here:
> http://bebits.com/app/2680
> (BeOS R5 Personal Edition for Linux)
>
> François.