Morrison, Tom wrote:
..
::: Can you give me exact details of how to set up and reproduce this?
::: -- Kernel version
Linux-2.6.23.1
NOTE: I am using ppc (arch/ppc instead of arch/powerpc)
..
Okay. Is that 32-bit or 64-bit? How much RAM ?
My PPC machine is not currently set up for Linux,
and has only PCIX (not PCIe) slots, so I'll try this
first on an x86-32 box with PCIe.
If it works for me there, then I may be able to try
a PCIX card in my PPC-32 box later. The PCIX card
won't have a 7042 of course, so I'll use a 6081 instead.
Those earlier Marvell chips are supposed to be extremely similar.
::: -- number/config/model of drives
2x250GIG Western Digital - 3 partitions (largest (/dev/sda3
~200Gig - formatted to ext2).
7042 PEX on a MPC8548 Board
::: -- exact command line sequence to cause the failure
NFS mount root file system (I am currently rebuild to take away
the NFS file system dependency) - /dev/sda3 is drive in
question...
a) mount /dev/sda3 /mnt/src
b) cp large_500Meg_file /mnt/src/.
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NOTE: this does NOT fail on a 2.6.11 kernel version!!!!
So I do NOT think it's a hardware problem!
It could be a PEX related problem with arch/ppc - I would
expect under heavy pounding with smaller files it would
fail as well - but it does NOT)
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