On Fri, Nov 20, 2015 at 06:07:59PM +0100, Christophe Leroy wrote: > Al, > > We've been running Kernel 3.18 for several monthes on our embedded > boards, and we have a recurring Oops in link_path_walk() > It doesn't happen very often (approximatly once every month on one > board among a set of 50 boards, never the same board). > > Here below is the last oops I got, with kernel 3.18.22. It crashes > at address 0xc00b75ac. Here below is the full desassembly of > link_path_walk() so that you can see exactly the offending line. > > The address it fails at is always the same (link_path_walk+0x414) > but the oopsing data address is each time different. I added all > Oops I got below after the disassembly (on different sub-versions of > 3.18).
Looks like garbage in dentry->d_inode, assuming that reconstruction of the mapping of line numbers to addresses is correct... Not sure it is, though; what's more, just how does LR manage to point to the insn right after the call of dput(), of all things? _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
