On Wed, 29 Jan 2003, Ben Marzinski wrote: > There is a reproducible memory mapping problem with the s390 SuSE linux > setup we have. The bug occurs when two processes have private, read-only > mappings of the same file and both processes page in the same page at > the same time. The PTE for that page gets incorrectly marked dirty, which > causes the page to be marked dirty, and the writepage() address space > operation to be called. Nothing that the processes have done should have > caused the page to be written back to the file. The file is modified even > if the whole filesystem is mounted Read-Only.
Try using chattr +i to make the file immutable. -- Cheers John. Join the "Linux Support by Small Businesses" list at http://mail.computerdatasafe.com.au/mailman/listinfo/lssb
