Re: INFO: HARDIRQ-safe - HARDIRQ-unsafe lock order detected

2012-08-10 Thread Fubo Chen
On Fri, Aug 10, 2012 at 2:58 AM, Michael Christie micha...@cs.wisc.edu wrote: On Aug 8, 2012, at 4:42 AM, Fubo Chen fubo.c...@gmail.com wrote: Anyone seen this before ? Also occurs with 3.4.1. == [ INFO: HARDIRQ-safe - HARDIRQ-unsafe lock

Re: iscsid: Kernel reported iSCSI connection 1:0 error (1011) state (3)

2012-08-10 Thread parveen kumar
oki Mike. On Thu, Aug 9, 2012 at 10:54 PM, Michael Christie micha...@cs.wisc.eduwrote: In the future can you post these questions to the open-iscsi mailing list? This is the last time I will respond privately. It is best ti post on the list so others can see the answer (people searching in

DataDigest in Open-iSCSI

2012-08-10 Thread js19159
Hi everyone, I have been setting up Open-iSCSI Initiator in order to measure its throughput and find out its bottlenecks for my research. I was trying to enable DataDigest on the Initiator but failed. I'm not sure if DataDigests are implemented in Open-iSCSI or not? I searched documentation

Re: DataDigest in Open-iSCSI

2012-08-10 Thread Mike Christie
On 08/10/2012 03:08 AM, js19...@gmail.com wrote: Hi everyone, I have been setting up Open-iSCSI Initiator in order to measure its throughput and find out its bottlenecks for my research. I was trying to One of the major bottlenecks is the memcpy that is done in the recv path. See the

Re: iscsid: Kernel reported iSCSI connection 1:0 error (1011) state (3)

2012-08-10 Thread Mike Christie
On 08/10/2012 04:34 AM, parveen kumar wrote: oki Mike. Thanks. One thing that is not clear to me, is why you have to do the logout then relogin? Are you doing this because you have a app or FS using the iscsi disk, and it gets IO errors when you get the conn errors? Or, are you doing the