UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                       PURSUANT TO SECTION 13 OR 15(D) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

      Date of Report (Date of earliest event reported): September 28, 2006


                RESIDENTIAL FUNDING MORTGAGE SECURITIES I, INC.,
                   on behalf of the RFMSI Series 2006-S8 Trust
             (Exact name of registrant as specified in its charter)

            Delaware                  333-131201-08              75-2006294
 (State or other jurisdiction    (Commission File Number)      (IRS Employer
      of incorporation)                                     Identification No.)

 8400 Normandale Lake Boulevard, Suite 250
         Minneapolis, Minnesota                                 55437
(Address of principal executive office)                       (Zip Code)

                                 (952) 857-7000
              (Registrant's telephone number, including area code )


                                       N/A
--------------------------------------------------------------------------------
             (Former name or address, if changed since last report)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communication  pursuant to Rule 425 under the Securities Act (17 CFR
230.425)

[ ] Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c))



<PAGE>


                    INFORMATION TO BE INCLUDED IN THE REPORT

SECTION 8 - OTHER EVENTS.

ITEM 8.01.     OTHER EVENTS.


On or about September 28, 2006,  Residential Funding Mortgage Securities I, Inc.
will cause the  issuance  and sale of the  Mortgage  Pass-Through  Certificates,
Series 2006-S8, pursuant to a Series Supplement,  dated as of September 1, 2006,
to the Standard Terms of Pooling and Servicing Agreement,  dated as of September
1, 2006,  among  Residential  Funding  Mortgage  Securities I, Inc., as company,
Residential  Funding  Corporation,  as master  servicer,  and U.S. Bank National
Association, as trustee.

In connection with the sale of the Certificates,  Mayer,  Brown, Rowe & Maw LLP,
as counsel to the Registrant, has prepared an opinion on legality and an opinion
on tax matters  (collectively,  the "Opinions") with respect to the Certificates
following the effective date of  Registration  Statement No.  333-131201,  which
Opinions are being filed electronically as exhibits to this report.

SECTION 9 - FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01 (D). EXHIBITS.


        (d)    Exhibits:  The following execution copies of Exhibits to the Form
               S-3 Registration Statement of the Registrant are hereby filed.

                  Exhibit           5.1  Opinion on  legality  of Mayer,  Brown,
                                    Rowe & Maw LLP,  counsel to the  registrant,
                                    dated September 28, 2006.

                  Exhibit           8.1 Opinion on tax matters of Mayer,  Brown,
                                    Rowe & Maw LLP,  counsel to the  registrant,
                                    dated September 28, 2006.



<PAGE>


                                   SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.


                                RESIDENTIAL FUNDING MORTGAGE SECURITIES I, INC.



                                By:   /s/Heather Anderson
                                Name:    Heather Anderson
                                Title:   Vice President




Dated:  September 28, 2006




<PAGE>


                                  Exhibit Index


Exhibit No.           Description

5.1  Opinion  on  legality  of  Mayer,  Brown,  Rowe & Maw LLP,  counsel  to the
     registrant, dated September 28, 2006.

8.1  Opinion on tax  matters  of Mayer,  Brown,  Rowe & Maw LLP,  counsel to the
     registrant, dated September 28, 2006.
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{"company-data": {"conformed-name": "RFMSI Series 2006-S8 Trust", "cik": "0001373571", "assigned-sic": "6189", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "333-131201-08", "film-number": "061112715"}, "business-address": {"street1": "8400 NORMANDALE LAKE BLVD", "street2": "SUITE 250", "city": "MINNEAPOLIS", "state": "MN", "zip": "55437", "phone": "9528327000"}}
UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                       PURSUANT TO SECTION 13 OR 15(D) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

      Date of Report (Date of earliest event reported): September 28, 2006

                RESIDENTIAL FUNDING MORTGAGE SECURITIES I, INC.,
                   on behalf of the RFMSI Series 2006-S8 Trust
             (Exact name of registrant as specified in its charter)

            Delaware                  333-131201-08              75-2006294
 (State or other jurisdiction    (Commission File Number)      (IRS Employer
      of incorporation)                                     Identification No.)

 8400 Normandale Lake Boulevard, Suite 250
         Minneapolis, Minnesota                                 55437
(Address of principal executive office)                       (Zip Code)

                                 (952) 857-7000
              (Registrant's telephone number, including area code )

                                       N/A
--------------------------------------------------------------------------------
             (Former name or address, if changed since last report)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communication  pursuant to Rule 425 under the Securities Act (17 CFR
230.425)

[ ] Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e-4(c))
INFORMATION TO BE INCLUDED IN THE REPORT

SECTION 8 - OTHER EVENTS.

ITEM 8.01.     OTHER EVENTS.

On or about September 28, 2006,  Residential Funding Mortgage Securities I, Inc.
will cause the  issuance  and sale of the  Mortgage  Pass-Through  Certificates,
Series 2006-S8, pursuant to a Series Supplement,  dated as of September 1, 2006,
to the Standard Terms of Pooling and Servicing Agreement,  dated as of September
1, 2006,  among  Residential  Funding  Mortgage  Securities I, Inc., as company,
Residential  Funding  Corporation,  as master  servicer,  and U.S. Bank National
Association, as trustee.

In connection with the sale of the Certificates,  Mayer,  Brown, Rowe & Maw LLP,
as counsel to the Registrant, has prepared an opinion on legality and an opinion
on tax matters  (collectively,  the "Opinions") with respect to the Certificates
following the effective date of  Registration  Statement No.  333-131201,  which
Opinions are being filed electronically as exhibits to this report.

SECTION 9 - FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01 (D). EXHIBITS.

        (d)    Exhibits:  The following execution copies of Exhibits to the Form
               S-3 Registration Statement of the Registrant are hereby filed.

                  Exhibit           5.1  Opinion on  legality  of Mayer,  Brown,
                                    Rowe & Maw LLP,  counsel to the  registrant,
                                    dated September 28, 2006.

                  Exhibit           8.1 Opinion on tax matters of Mayer,  Brown,
                                    Rowe & Maw LLP,  counsel to the  registrant,
                                    dated September 28, 2006.
SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.

                                RESIDENTIAL FUNDING MORTGAGE SECURITIES I, INC.

                                By:   /s/Heather Anderson
                                Name:    Heather Anderson
                                Title:   Vice President

Dated:  September 28, 2006
Exhibit Index

Exhibit No.           Description

5.1  Opinion  on  legality  of  Mayer,  Brown,  Rowe & Maw LLP,  counsel  to the
     registrant, dated September 28, 2006.

8.1  Opinion on tax  matters  of Mayer,  Brown,  Rowe & Maw LLP,  counsel to the
     registrant, dated September 28, 2006.