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
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Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
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