Messages in this thread | | | Date | Thu, 10 Oct 2013 11:38:34 +0800 | From | Fengguang Wu <> | Subject | Re: [XFS on bad superblock] BUG: unable to handle kernel NULL pointer dereference at 00000003 |
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On Thu, Oct 10, 2013 at 11:33:00AM +0800, Fengguang Wu wrote: > On Thu, Oct 10, 2013 at 11:26:37AM +0800, Fengguang Wu wrote: > > Dave, > > > > > I note that you have CONFIG_SLUB=y, which means that the cache slabs > > > are shared with objects of other types. That means that the memory > > > corruption problem is likely to be caused by one of the other > > > filesystems that is probing the block device(s), not XFS. > > > > Good to know that, it would easy to test then: just turn off every > > other filesystems. I'll try it right away. > > Seems that we don't even need to do that. A dig through the oops > database and I find stack dumps from other FS. > > This happens in the kernel with same kconfig and commit 3.12-rc1.
Here is a summary of all FS with oops:
411 ocfs2_fill_super 189 xfs_fs_fill_super 86 jfs_fill_super 50 isofs_fill_super 33 fat_fill_super 18 vfat_fill_super 15 msdos_fill_super 11 ext2_fill_super 10 ext3_fill_super 3 reiserfs_fill_super
Thanks, Fengguang
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