No, Olga's case includes delegation, which our server does not supports. Tigran. ----- Original Message ----- > From: "Benjamin Coddington" <bcodding@xxxxxxxxxx> > To: "Mkrtchyan, Tigran" <tigran.mkrtchyan@xxxxxxx> > Cc: "Olga Kornievskaia" <aglo@xxxxxxxxx>, "Trond Myklebust" <trond.myklebust@xxxxxxxxxxxxxxx>, "linux-nfs" > <linux-nfs@xxxxxxxxxxxxxxx> > Sent: Friday, May 8, 2015 3:08:03 PM > Subject: Re: 4.0 NFS client in infinite loop in state recovery after getting BAD_STATEID > Yes, I've done that, and the client's behavior correctly cycles through > OPEN, then READ with the new stateid. Are you able to create what Olga's > talking about -- which is (I believe) a loop of just OPENs? > > Ben > > On Fri, 8 May 2015, Mkrtchyan, Tigran wrote: > >> Hi Ben, >> >> probably you can simulate, as Olga has suggested, with fault injection. >> I can I can prepare a snadalone version of your server, which returns >> BAD_STATEID on any IO request. >> >> Tigran. >> >> ----- Original Message ----- >> > From: "Benjamin Coddington" <bcodding@xxxxxxxxxx> >> > To: "Mkrtchyan, Tigran" <tigran.mkrtchyan@xxxxxxx> >> > Cc: "Olga Kornievskaia" <aglo@xxxxxxxxx>, "Trond Myklebust" >> > <trond.myklebust@xxxxxxxxxxxxxxx>, "linux-nfs" >> > <linux-nfs@xxxxxxxxxxxxxxx> >> > Sent: Friday, May 8, 2015 2:25:19 PM >> > Subject: Re: 4.0 NFS client in infinite loop in state recovery after getting >> > BAD_STATEID >> >> > On Fri, 8 May 2015, Mkrtchyan, Tigran wrote: >> > >> >> Hi Olga, >> >> >> >> I believe we see the same infinite loop without delegation with RHEL6/7 >> >> kernels, but without delegation being involved. Currently, on the server >> >> side, if client looping is detected, we return RESOURCE. This breaks the >> >> loop and application gets an IO error. >> >> >> >> Your fix is only covers the delegation case isn't it? >> >> >> >> Tigran. >> > >> > Tigran, do you have a BZ or can you tell me how to reproduce this? >> > >> > Ben >> > -- >> > To unsubscribe from this list: send the line "unsubscribe linux-nfs" 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-nfs" 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-nfs" 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-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
