I reproduce this when echo 1/0 > /sys/class/sas_phy/phyxxx/enable phyxxx is one in a wide port. RE: [PATCH] [SCSI] libsas panic when single phy disabled on a wide port > > Our duplication is to send an out-of-band CLI command to a downstream > expander's Firmware and tell it to disable one of it's phys. Sounds > simple, but not when someone else has all the customized pieces and > serial cables ;-/ and the duplicator has moved on in priority. > > Pregnant thought, smp_phy_control --phy=? --op=dis (wrong side, probably > too 'wide' of an aim) has not been tried ... > > Sincerely -- Mark Salyzyn > > -----Original Message----- > From: dan.j.williams@xxxxxxxxx [mailto:dan.j.williams@xxxxxxxxx] On > Behalf Of Dan Williams > Sent: Tuesday, October 04, 2011 7:31 PM > To: Mark Salyzyn > Subject: Re: [PATCH] [SCSI] libsas panic when single phy disabled on a > wide port > > . . . > > What is your reproduction scenario for this bug? We see this in our > larger topology hotplug tests, but I don't think we have a simple > reproducer. > ______________________________________________________________________ > This email may contain privileged or confidential information, which should > only be used for the purpose for which it was sent by Xyratex. No further rights > or licenses are granted to use such information. If you are not the intended > recipient of this message, please notify the sender by return and delete it. > You may not use, copy, disclose or rely on the information contained in it. > > Internet email is susceptible to data corruption, interception and > unauthorised amendment for which Xyratex does not accept liability. While we > have taken reasonable precautions to ensure that this email is free of viruses, > Xyratex does not accept liability for the presence of any computer viruses in > this email, nor for any losses caused as a result of viruses. > > Xyratex Technology Limited (03134912), Registered in England & Wales, > Registered Office, Langstone Road, Havant, Hampshire, PO9 1SA. > > The Xyratex group of companies also includes, Xyratex Ltd, registered in > Bermuda, Xyratex International Inc, registered in California, Xyratex > (Malaysia) Sdn Bhd registered in Malaysia, Xyratex Technology (Wuxi) Co Ltd > registered in The People's Republic of China and Xyratex Japan Limited > registered in Japan. > ______________________________________________________________________ > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
