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Message-ID: <4BBF6862.3010600@in.ibm.com> Date: Fri, 09 Apr 2010 23:18:18 +0530 From: Sachin Sant <sachinp@...ibm.com> To: Linux/PPC Development <linuxppc-dev@...abs.org> CC: linux-next@...r.kernel.org, netdev <netdev@...r.kernel.org>, HERING2@...ibm.com, Anton Blanchard <anton@...ba.org>, Benjamin Herrenschmidt <benh@...nel.crashing.org> Subject: Re: [-next April 8] eHEA driver failure on powerpc 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 --------------------------------- -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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