Messages in this thread | | | Date | Tue, 25 Aug 2009 19:17:49 +0200 | From | "Mikko C." <> | Subject | Re: [PATCH 2/3] inotify: do not BUG on idr entries at inotify destruction |
| |
on 25/08/2009 18:43 Linus Torvalds wrote: > > On Tue, 25 Aug 2009, Mikko C. wrote: >> >> I just got this with -rc7, but it doesn't look related to what I was having >> before: >> >> BUG: Bad page map in process kio_thumbnail pte:ffff88006cc99128 pmd:6d3b1067 >> addr:00007f9d4e3a5000 vm_flags:08000070 anon_vma:(null) >> mapping:ffff88007abe21a0 index:200 >> vma->vm_ops->fault: filemap_fault+0x0/0x460 >> vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x80 >> Pid: 28022, comm: kio_thumbnail Not tainted 2.6.31-rc7 #1 >> Call Trace: >> [<ffffffff810afaf4>] ? print_bad_pte+0x1d4/0x2c0 >> [<ffffffff810afc79>] ? vm_normal_page+0x99/0xa0 >> [<ffffffff810b0c7d>] ? unmap_vmas+0x4cd/0x970 >> [<ffffffff810b6c74>] ? exit_mmap+0x104/0x1d0 >> [<ffffffff81043e0d>] ? mmput+0x4d/0x100 >> [<ffffffff81048d81>] ? exit_mm+0x101/0x150 >> [<ffffffff8104b240>] ? do_exit+0x6c0/0x750 >> [<ffffffff8104b326>] ? do_group_exit+0x56/0xd0 >> [<ffffffff8104b3c2>] ? sys_exit_group+0x22/0x40 >> [<ffffffff8100b7eb>] ? system_call_fastpath+0x16/0x1b >> Disabling lock debugging due to kernel taint >> >> No lockups or anything. > > That looks like a memory corruption bug. Your page table entry is bad: > pte:ffff88006cc99128.
Now that you mention it, I remember having a couple segfaults with a program I was testing earlier so I guess that could have screwed with memory... I'd say it's safe to ignore it unless I get another one. Meanwhile still no notify bug with -rc7 :)
| |