From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nix Subject: Re: [SCSI REGRESSION] 3.10.2 or 3.10.3: arcmsr failure at bootup / early userspace transition Date: Mon, 29 Jul 2013 21:04:41 +0100 Message-ID: <87d2q1dteu.fsf@spindle.srvr.nix> References: <87r4ehfzhf.fsf@spindle.srvr.nix> <51F667C2.4020801@fastmail.fm> <87mwp5frdl.fsf@spindle.srvr.nix> <51F67959.2060803@fastmail.fm> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <51F67959.2060803@fastmail.fm> (Bernd Schubert's message of "Mon, 29 Jul 2013 16:16:57 +0200") Sender: linux-kernel-owner@vger.kernel.org To: Bernd Schubert Cc: Linux Kernel Mailing List , linux-scsi@vger.kernel.org, "Martin K. Petersen" , nick.cheng@areca.com.tw List-Id: linux-scsi@vger.kernel.org On 29 Jul 2013, Bernd Schubert spake thusly: > Could you try to run these commands with 3.10.1? > > # # check if reporting opcodes works > # sg_opcodes -v -n /dev/sdX spindle:/boot# sg_opcodes -v -n /dev/sda inquiry cdb: 12 00 00 00 24 00 Report Supported Operation Codes cmd: a3 0c 00 00 00 00 00 00 20 00 00 00 Report Supported Operation Codes: Fixed format, current; Sense key: Illegal Request Additional sense: Invalid command operation code Info fld=0x0 [0] Sense Key Specific: Error in Command byte 3840 Report supported operation codes: operation not supported (sdb is the same, obviously, since they are both separate RAID volumes controlled by the same controller.) > # check ata information page > # sg_vpd --page=0x89 /dev/sdX spindle:/boot# sg_vpd --page=0x89 /dev/sda ATA information VPD page: fetching VPD page failed Not very helpful, I know :( I'll try rebooting into a kernel with that commit reverted next. Areca controllers appear to be a bit weird: e.g. they needed special support in smartctl... >> No changes to arcmsr between those versions... I suspect I'll have to >> bisect, which will be a complete pig because every failure means a hard >> powerdown of this box. Always-on servers rarely appreciate hard >> powerdowns :( > > Maybe just revert this commit? Helpful would be some scsi logging to > see which command actually fails. I guess you don't have a serial > console? I could set one up, in theory, but the problem is that all my machines are rather dependent on my NFS-mounted $HOME. Guess where it's mounted from... in any case, the machine has no serial port, so it would have to be a usb-serial console, and we know exactly how reliable those are :/ -- NULL && (void)