On 17/01/12 15:56, Or Gerlitz wrote: > could you try and patch your 3.0.15 kernel with commit > 52439540ea30396982b69662dd21aede6b336288 "IB/iser: DMA unmap TX bufs > used for iSCSI/iSER headers" from upstream, this could help here. > Hi Or, unfortunately, just cherry-picking that commit didn't do the job. Therefore, I've backported the whole ib_iser code from 3.2.1 to 3.0.15. Now it works fine. I've attached the git diff. Should I test anything further? Thanks for your time again! Cheers, Sebastian