* Re: [-next April 8] eHEA driver failure on powerpc
[not found] ` <4BBDC447.3040901@in.ibm.com>
@ 2010-04-09 17:48 ` Sachin Sant
0 siblings, 0 replies; only message in thread
From: Sachin Sant @ 2010-04-09 17:48 UTC (permalink / raw)
To: Linux/PPC Development; +Cc: netdev, linux-next, Anton Blanchard, HERING2
Sachin Sant wrote:
> With today's next release, eHEA network interface on couple
> of power6 boxes fails to initialize.
>
> # modprobe ehea
> IBM eHEA ethernet device driver (Release EHEA_0102)
> alloc irq_desc for 256 on node 0
> alloc kstat_irqs on node 0
> irq: irq 590080 on host null mapped to virtual irq 256
> ehea: Error in ehea_plpar_hcall_norets: opcode=26c
> ret=fffffffffffffffc arg1=8000000003000000 arg2=0
> arg3=7000000000050400 arg4=fc9b0000 arg5=200 arg6=0 arg7=0
> ehea: Error in ehea_reg_mr_section: register_rpage_mr failed
> ehea: Error in ehea_reg_kernel_mr: registering mr failed
> ehea: Error in ehea_setup_ports: creating MR failed
> ehea 23c00200.lhea: setup_ports failed
> ehea: probe of 23c00200.lhea failed with error -5
I tracked this problem to the following commit.
commit 7545ba6f82924d4523f8f8a2baf2e517a750265d
powerpc/mm: Bump SECTION_SIZE_BITS from 16MB to 256MB
If i revert this commit, the network interface is initialized
properly. Verified this on two different power6 boxes.
Thanks
-Sachin
--
---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------
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[not found] ` <4BBDC447.3040901@in.ibm.com>
2010-04-09 17:48 ` [-next April 8] eHEA driver failure on powerpc Sachin Sant
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