Hi Holger, On Monday 12 September 2011 19:16:33 Holger Brunck wrote: > I have seen in mainline kernel this fix in the ubi layer: > > commit b86a2c56e512f46d140a4bcb4e35e8a7d4a99a4b > Author: Artem Bityutskiy <[email protected]> > Date: Sun May 24 14:13:34 2009 +0300 > > UBI: do not switch to R/O mode on read errors > > This patch improves UBI errors handling. ATM UBI switches to > R/O mode when the WL worker fails to read the source PEB. > This means that the upper layers (e.g., UBIFS) has no > chances to unmap the erroneous PEB and fix the error. > This patch changes this behaviour and makes UBI put PEBs > like this into a separate RB-tree, thus preventing the > WL worker from hitting the same read errors again and > again. > > [...] > > And this sounds like the problem I see in u-boot.
Yes, very likely. > But this patch is not > easy to port onto u-boot because previously undergoing changes in the > kernels ubi layer... Correct. UBI has undergone many changes since the integration into U-Boot back in the end of 2008 (nearly 3 years ago now). Perhaps the best would be to re- synch with the latest Linux UBI version. But this sounds like quite a lot of work as well... 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: [email protected] _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
