Yes, this is the third option ;-) but pay attention that this is a WA, u need to upgrade the BIOS in order to get a stable system
-----Original Message----- From: Bart Van Assche [mailto:[EMAIL PROTECTED] Sent: Monday, January 21, 2008 11:14 AM To: Sagi Rotem Cc: Openib-General; Chuck Hartley Subject: Re: [ofa-general] Performance of MT25204 versus MT25208 On Jan 18, 2008 5:09 PM, Sagi Rotem <[EMAIL PROTECTED]> wrote: > This may be your problem: > MaxReadReq 128 bytes > U need a BIOS update , common value with good performance is 512. > Alternatively u can force it using setpci but than system may be > unstable. After unloading and reloading the ib_mthca module with parameter tune_pci=1 (which sets MaxReadReq to 4096,) ib_rdma_bw now reports a bandwidth of 933 MB/s. Thanks, Bart. _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
