RE: [H8-uclinux-port] linux-2.6.5-uc0 H8/300 patch

[Rakesh G. N. <ra...@no...>]

which file system are using right now.. NFS seems to be a problem...

I am getting following errors

==============================================
Now booting linux kernel:
 Entry Address 0x00400000
 Cmdline : console=ttySC2,38400
Linux version 2.6.7-rc2 (rakeshg@fr61) (gcc version 3.2.2) #26 Sun Jun 13
16:25:
59 IST 2004


uClinux H8S
Target Hardware: EDOSK-2674
Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne
H8/300 series support by Yoshinori Sato <ys...@us...>
On node 0 totalpages: 3072
  DMA zone: 0 pages, LIFO batch:1
  Normal zone: 3072 pages, LIFO batch:1
  HighMem zone: 0 pages, LIFO batch:1
Built 1 zonelists
Kernel command line: console=ttySC2,38400
virtual vector at 0x00ffbe00
PID hash table entries: 16 (order 4: 128 bytes)
Memory available: 6916k/1763k RAM, 0k/0k ROM (988k kernel code, 148k data)
Calibrating delay loop... 7.24 BogoMIPS
Dentry cache hash table entries: 1024 (order: 0, 4096 bytes)
Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
NET: Registered protocol family 16
SuperH SCI(F) driver initialized
ttySC0 at MMIO 0xffff78 (irq = 90) is a sci
ttySC1 at MMIO 0xffff80 (irq = 94) is a sci
ttySC2 at MMIO 0xffff88 (irq = 98) is a sci
PPP generic driver version 2.4.2
NET: Registered protocol family 2
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 512 bind 1024)
IPv4 over IPv4 tunneling driver
VFS: Cannot open root device "<NULL>" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
 <0>Bad page state at __free_pages_ok (in process 'swapper', page 00538620)
flags:0x20000000 mapping:00000000 mapcount:0 count:1
Backtrace:
Stack from 00bbdea0:
        00bbdea0 00402ca4 0041eb68 004ec89f 00538620 0041efe2 0051dae8
00000002
        00538600 00538600 00bbdec8 00bbdec8 0041fcc2 00000002 00017600
0041fd32
        ffffffff 00538680 00423a14 00000002 00bffa7c 0051dae8 00000000
00bb0000
Call Trace:
Trying to fix it up, but a reboot is needed
Bad page state at __free_pages_ok (in process 'swapper', page 00538640)
flags:0x20000000 mapping:00000000 mapcount:0 count:1
Backtrace:
Stack from 00bbdea0:
        00bbdea0 00402ca4 0041eb68 004ec89f 00538640 0041efe2 0051dae8
00000002
        00538600 00538600 00bbdec8 00bbdec8 0041fcc2 00000002 00017600
0041fd32
        ffffffff 00538680 00423a14 00000002 00bffa7c 0051dae8 00000000
00bb0000
Call Trace:
Trying to fix it up, but a reboot is needed
Bad page state at __free_pages_ok (in process 'swapper', page 00538660)
flags:0x20000000 mapping:00000000 mapcount:0 count:1
Backtrace:
Stack from 00bbdea0:
        00bbdea0 00402ca4 0041eb68 004ec89f 00538660 0041efe2 0051dae8
00000002
        00538600 00538600 00bbdec8 00bbdec8 0041fcc2 00000002 00017600
0041fd32
        ffffffff 00538680 00423a14 00000002 00bffa7c 0051dae8 00000000
00bb0000
Call Trace:
Trying to fix it up, but a reboot is needed
Bad page state at __free_pages_ok (in process 'swapper', page 00538520)
flags:0x20000000 mapping:00000000 mapcount:0 count:1
Backtrace:
Stack from 00bbdea0:
        00bbdea0 00402ca4 0041eb68 004ec89f 00538520 0041efe2 0051dbd8
00000003
        00538500 00538500 00bbdec8 00bbdec8 0041fcc2 00000003 00017500
0041fd32
==============================================

Any clues about things which are not yet complete in linux 2.6.7 and causing
the
problem ?

Thanks,
Rakesh


-----Original Message-----
From: Yoshinori Sato [mailto:ys...@us...]
Sent: Monday, June 07, 2004 8:40 PM
To: Rakesh Gupta, Noida
Cc: H8-uclinux-port
Subject: Re: [H8-uclinux-port] linux-2.6.5-uc0 H8/300 patch


At Mon, 7 Jun 2004 16:25:00 +0530 ,
Rakesh  Gupta, Noida wrote:
> 
> while debugging, I found that jiffies is not updated due to some
> reasons, that is why kernel was waiting at "Calibrating delay..."
> 
> so in kernel/timer.c I added following...
> --------------------------------------
> void do_timer(struct pt_regs *regs)
> {
>         jiffies_64++;
>         jiffies = jiffies_64+4;    /* this line added */
> ...
> }
> ----------

?
jiffies is equal to jiffies_64+4.
How is it a result of "grep jiffies System.map"?

> I am not very sure about the fix but the kernel moves ahead...
> 
> though right now I am having some other problem in getting the NFS
> root file system mounted... I am looking into this...

Sorry. There does not seem to be smc9194 driver by completion.
Please use mtd.

-- 
Yoshinori Sato
<ys...@us...>


Disclaimer: 

This message and any attachment(s) contained here are information that is
confidential,proprietary to HCL Technologies and its customers, privileged
or otherwise protected by law.The information is solely intended for the
individual or the entity it is addressed to. If you are not the intended
recipient of this message, you are not authorized to read, forward,
print,retain, copy or disseminate this message or any part of it. If you
have received this e-mail in error, please notify the sender immediately by
return e-mail and delete it from your computer.