I am using the disro kernels, don't know if they have the patch. Our IO testing utility use the same pattern (mmap + non-null dxferp) for a long time, on RHEL 6.x, 7.x and Ubuntu 12.04, 14.04 without a problem, long before the patch was applied. Thanks, Eyal 2016-11-21 17:44 GMT+02:00 Johannes Thumshirn <jthumshirn@xxxxxxx>: > On Mon, Nov 21, 2016 at 04:15:52PM +0100, Johannes Thumshirn wrote: >> On Mon, Nov 21, 2016 at 04:55:29PM +0200, Eyal Ben David wrote: >> > Thanks for your reply, >> > >> > On RHEL system it does not occur. >> > >> > So far I have seen the problem on Ubuntu 16.04 and Fedora 22 (both >> > with kernel 4.4.x) > > As Ewan already pointed out, do you have commit > 5ecee0a3ee8d74b6950cb41e8989b0c2174568d4 applied in your kernels? It went in > 4.6 and got stable backported from there till 2.6.something. I'm trying this > patch myself to see whether it is the required change or not. > > Byte, > Johannes > > -- > Johannes Thumshirn Storage > jthumshirn@xxxxxxx +49 911 74053 689 > SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg > GF: Felix Imendörffer, Jane Smithard, Graham Norton > HRB 21284 (AG Nürnberg) > Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 -- 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
