From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Mon, 4 May 2009 10:01:54 +0200 Subject: [U-Boot] Current status of UBI? In-Reply-To: <5ee96a840904301438x161f2867rb97920a07aac35f8@mail.gmail.com> References: <5ee96a840904301236s7d03b547t288919ee4bcee1e4@mail.gmail.com> <5ee96a840904301438x161f2867rb97920a07aac35f8@mail.gmail.com> Message-ID: <200905041001.55037.sr@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thursday 30 April 2009, Matthew L. Creech wrote: > On Thu, Apr 30, 2009 at 3:36 PM, Matthew L. Creech wrote: > It seems like disabling subpage writes might be the right thing to do, > because once in a while now I _can_ at least attach to a UBI partition > ("ubi part") without error. But it usually crashes. The backtraces > for the crash vary, but here's a typical example: > > 0x00144280 -- 0x00143cd0 + 0x05b0 ubi_read_volume_table > 0x00143130 -- 0x00142d54 + 0x03dc ubi_attach_mtd_dev > 0x001435ec -- 0x001434e4 + 0x0108 ubi_init > 0x0011ec24 -- 0x0011e9e4 + 0x0240 do_ubi > 0x00126234 -- 0x00125a9c + 0x0798 run_list_real > 0x00125754 -- 0x00125198 + 0x05bc parse_stream_outer > 0x00125960 -- 0x00125910 + 0x0050 parse_file_outer > 0x00128854 -- 0x0012874c + 0x0108 main_loop > 0x001048e0 -- 0x0010470c + 0x01d4 board_init_r > 0x001035e8 -- 0x001035e8 + 0x0000 trap_init > > Nothing special. ubi_read_volume_table is always in the backtrace, > though sometimes there's 1 or 2 nested calls above it. Sometimes the > crashes are at or around create_empty_lvol() -> create_vtbl() -> > ubi_scan_find_seb(), so the problem occurs no later than that in the > call sequence. And this is always with copy #2 of the volume table. > > Anyone familiar with UBI care to chime in? :) Which platform are you using? PPC? And which NAND chip? And again, please make sure that the MTD partition referenced by "ubi part" is erased. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de =====================================================================