From: mikep Subject: Symbios failure at full speed with kernel-2.6.13.rc6-mm1 Date: Sun, 21 Aug 2005 16:01:12 -0400 Message-ID: <4308DD88.4030308@adelphia.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from zeus1.kernel.org ([204.152.191.4]:60105 "EHLO zeus1.kernel.org") by vger.kernel.org with ESMTP id S1751101AbVHUVMO (ORCPT ); Sun, 21 Aug 2005 17:12:14 -0400 Received: from mta13.adelphia.net (mta13.adelphia.net [68.168.78.44]) by zeus1.kernel.org (8.13.1/8.13.1) with ESMTP id j7LK51d8004578 for ; Sun, 21 Aug 2005 13:05:02 -0700 Received: from [192.168.0.8] (really [69.161.69.17]) by mta13.adelphia.net (InterMail vM.6.01.04.01 201-2131-118-101-20041129) with ESMTP id <20050821200111.SZDL14360.mta13.adelphia.net@[192.168.0.8]> for ; Sun, 21 Aug 2005 16:01:11 -0400 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org I am using a LSIU160/Symbios 53c1010 Ultra3 scsi adapter and it works at full speed (75 MB/sec) with kernel-2.6.12. And dmesg shows: kernel: target0:0:0: Beginning Domain Validation kernel: target0:0:0: asynchronous. kernel: WIDTH IS 1 kernel: target0:0:0: wide asynchronous. kernel: target0:0:0: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 62) kernel: target0:0:0: Ending Domain Validation kernel: sym1: <1010-33> rev 0x1 at pci 0000:01:07.1 irq 11 kernel: sym1: Symbios NVRAM, ID 7, Fast-80, SE, parity checking kernel: sym1: open drain IRQ line driver kernel: sym1: using LOAD/STORE-based firmware. kernel: sym1: handling phase mismatch from SCRIPTS. kernel: sym1: SCSI BUS has been reset. kernel: scsi1 : sym-2.2.0 kernel: libata version 1.11 loaded. With kernel-2.6.13-rc6-mm1 the speed drops back to 2.70 MB/sec because of validation failure and dmesg shows: kernel: target0:0:0: Beginning Domain Validation kernel: target0:0:0: asynchronous. kernel: target0:0:0: wide asynchronous. kernel: target0:0:0: FAST-80 WIDE SCSI 160.0 MB/s DT IU QAS ( kernel: sym0: unexpected disconnect kernel: target0:0:0: Write Buffer failure 700ff kernel: target0:0:0: Domain Validation Disabing Information units kernel: 0:0:0:0: phase change 6-7 11@3fb3c3a8 resid=10. kernel: target0:0:0: asynchronous. kernel: sym0: unexpected disconnect target0:0:0: Write Buffer failure 700ff target0:0:0: Domain Validation detected failure, dropping back kernel: target0:0:0: asynchronous. target0:0:0: Ending Domain Validation kernel: sym1: <1010-33> rev 0x1 at pci 0000:01:07.1 irq 11 kernel: sym1: Symbios NVRAM, ID 7, Fast-80, SE, parity checkingkernel: sym1: open drain IRQ line driver, using on-chip SRAM kernel: sym1: using LOAD/STORE-based firmware. kernel: sym1: handling phase mismatch from SCRIPTS. kernel: sym1: SCSI BUS has been reset. kernel: scsi1 : sym-2.2.1 kernel: libata version 1.11 loaded. The kernel config has: CONFIG_SCSI_SYM53C8XX_2=y CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1 CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16 CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 # CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set