Hi Sedat, We have used this DMA driver(include this patch) on linux-2.6.35/37. However I haven't seen the issue yet. I want to know more information. Do you mean that it takes 63 more seconds for boot-completing when using this patch and pch_dma is integrated as built-in ? Thanks, ----------------------------------------- Tomoya MORINAGA OKI SEMICONDUCTOR CO., LTD. > -----Original Message----- > From: Sedat Dilek [mailto:sedat.dilek@xxxxxxxxxxxxxx] > Sent: Friday, March 25, 2011 12:10 AM > To: linux-next; LKML > Cc: Stephen Rothwell; Randy Dunlap; Vinod Koul; Tomoya MORINAGA > Subject: Re: linux-next: Tree for March 24 (BUG: soft lockup > - CPU#0 stuck for 63s! [kworker/0:1:7764]) -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html