From mboxrd@z Thu Jan 1 00:00:00 1970 From: nayobix@nayobix.org (nayobix at nayobix.org) Date: Fri, 24 Jan 2014 09:50:51 +0200 Subject: text segment corruption - probable suspects? In-Reply-To: References: <4d539197e7752b30a3da1b19b6d84cbc@secure3114.hostgator.com> Message-ID: <52E21B5B.6030407@nayobix.org> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On 01/23/2014 02:04 PM, Mulyadi Santosa wrote: > On Tue, Jan 7, 2014 at 10:09 PM, Boyan Vladinov wrote: >> Hey guys, >> >> recently I experience .text segment corruption in Kernel space. Could >> someone give some hints which can be the reason >> for this text segment corruption, because as we know it is read-only? > Could you share what evidence did you get so you can get conclusion > there happen such corruption? > > IMHO, I suspect it is due RAM error...so it's not corruption coming > from kernel image itself > I compared the addresses/instructions from the crash with these in vmlinux image and they were different in 1 or 2 bits. Yep, we also suspect RAM issues, but is it possible to be something other like DMA transfers?