Hello Gwendal, (2012/03/23 17:31), Gwendal Grignou wrote: >>>>> I notice however some messages I did not see before: >>>>>>> [ 4.856382] ata7.15: Port Multiplier 1.1, 0x1095:0x3726 r23, 6 ports, feat 0x1/0x9 >>>>>>> [ 4.858742] ata7.00: hard resetting link >>>>>>> [ 14.843039] ata7.00: softreset failed (timeout) >>>>>>> [ 17.836402] ata7.15: qc timeout (cmd 0xe4) >>>>> The later indicates that the PMP is stuck and the host can not read >>>>> its internal register. >>>>> Is it possible that the PMP in these 4 enclosures you are using have a >>>>> different firmware than the other ones? >>>>> Firmware 1.0114 is available at: >>>>> http://www.siliconimage.com/support/searchresults.aspx?pid=26&cat=23 >>>>> >>>>> From the release notes: >>>>> """- Fix SRST and initial two RegFIS Problem.""" >> >> I'm still fixing broken RAID. Sorry for my slow response. I checked those firmware version. All of them use version 1.0114. Best Regards, Akira -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html