Hi, Am 16.03.2010 22:29, schrieb Janjaap Bos: > On Sat, 2010-03-13 at 11:37 +0100, Matthias Rieber wrote: > >> Hi, >> >> I tried the kernel 2.6.33 and I still have the data corruption problems. >> When I remount the partition with the sync option and repeat the test, >> all files seem to be intact. I'm using an ext3 filesystem on a lvm >> volume for my UMLs. >> >> matthias >> >> > I traced down the problem to the sector handling in ubd. There is a bug > in the ubd driver handling of multi sector requests. I added code to > restrict block requests to one sector (512 bytes) only. See attached > revised diff against 2.6.33. >
I repeated the test several times and the data corruption doesn't occur again. Your patch seems to work. Thanks! matthias ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
