[Yaffs] BUG: soft lockup detected on CPU#0!

[Thomas Gleixner]

On Tue, 2005-08-23 at 14:11 +0530, Manav Gautam wrote:
> Hi All,
>         Am using 2.6.11 kernel with frank rowland's set of patches .
> When i try to copy a file to the yaffs partition i see this crash
> [root at Sarva yaffs]#cp /root/exp/nanddump.c ./
> Writing data without ECC to NAND-FLASH is not recommended
> Reading data from NAND FLASH without ECC is not recommended

Please use ECC.

> nand_write_oob: Failed write, page 0x00001850
> BUG: soft lockup detected on CPU#0!

> [<c0116610>] (nand_command+0x0/0x1e4) from [<c0116dcc>]
> (nand_write_oob+0xd4/0x200)
>  r8 = 00000000  r7 = C0F3C800  r6 = C0F3C980  r5 = 00000000
>  r4 = FFFFFFFF

There is a possibility for an endless wait for R/B pin in the nand
driver which is in 2.6.11. Please use the code from MTD CVS or the code
in 2.6.13-rc6, where this is fixed.

tglx