From: Peter Ryser <peter.ryser@xilinx.com>
To: Sanjay Bajaj <sbajaj@tsi-telsys.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: root fs mount issue: Xilinx System ACE on PCI bus
Date: Tue, 07 Jun 2005 14:50:11 -0700 [thread overview]
Message-ID: <42A61693.6040707@xilinx.com> (raw)
In-Reply-To: <0007F077BB3476449151699150E8FEA21A7BA4@exchange.tsi-telsys.com>
Is "Root on NFS" disabled?
- Peter
Sanjay Bajaj wrote:
>Hi! Gurus,
>
>Need some help in understanding root fs mounting. The setup we have here is our hardware has Xilinx Virtex II pro chip that has System ACE hardware connected to a compact flash. The Virtex II Pro is connected to Local PCI bus which is run by PPC 440GX processor. I have ported the driver for xsysace from ml300 config to our hardware (From OPB to PCI). When I boot over nfs, I can easily mount the partictions on the compact flash. The nodes in /dev directory are:
>
>brw-r--r-- 1 root root 254, 0 Jun 3 13:04 xsysacea
>brw-r--r-- 1 root root 254, 1 Jun 3 13:04 xsysacea1
>brw-r--r-- 1 root root 254, 2 Jun 3 13:04 xsysacea2
>
>When I try to boot from the commpact flash, the kernel panics. The edited boot listing is as follows:
>
>=> bootm
>...
>...
>Kernel command line: root=/dev/xsysacea2 rw console=ttyS0,9600 mem=128M
>...
>...
>Partition check:
> xsysacea: xsysacea1 xsysacea2
>System ACE at 0xFFFC1000 mapped to 0xD2070000, irq=26, 500472KB
>...
>...
>VFS: Cannot open root device "xsysacea2" or 00:00
>Please append a correct "root=" boot option
>Kernel panic: VFS: Unable to mount root fs on 00:00
> <0>Rebooting in 180 seconds..
>
>-------
>
>What am I missing here? Any help is appreciated.
>Thanks,
>Sanjay
>_______________________________________________
>Linuxppc-embedded mailing list
>Linuxppc-embedded@ozlabs.org
>https://ozlabs.org/mailman/listinfo/linuxppc-embedded
>
>
>
>
next prev parent reply other threads:[~2005-06-07 22:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-07 15:05 root fs mount issue: Xilinx System ACE on PCI bus Sanjay Bajaj
2005-06-07 21:50 ` Peter Ryser [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-06-07 17:02 Sanjay Bajaj
2005-06-08 15:36 Sanjay Bajaj
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