Messages in this thread |  | | | Date | Wed, 9 Dec 2009 18:38:40 +0800 | | Subject | An mm bug in today's 2.6.32 git tree | | From | Américo Wang <> |
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Hi, mm experts,
I met the following bug in the kernel from today's git tree, accidentally. I don't know how to reproduce it, just saw it twice when doing different work. Machine is x86_64.
Is this bug known?
Please feel free to let me know if you need more info.
Thanks!
---------------- swap_free: Bad swap offset entry 09003c00 BUG: Bad page map in process vim pte:1200780000 pmd:22f221067 addr:000000319ce0f000 vm_flags:08000075 anon_vma:(null) mapping:ffff88022efa8848 index:f vma->vm_ops->fault: filemap_fault+0x0/0x593 vma->vm_file->f_op->mmap: generic_file_mmap+0x0/0x63 Pid: 659, comm: vim Tainted: G B 2.6.32 #55 Call Trace: [<ffffffff81116d32>] ? print_bad_pte+0x29b/0x2c2 [<ffffffff81118550>] ? unmap_vmas+0x8bc/0xbd5 [<ffffffff8111eaf9>] ? exit_mmap+0x13b/0x232 [<ffffffff810593de>] ? mmput+0x57/0x123 [<ffffffff8105f8ce>] ? exit_mm+0x1af/0x1c1 [<ffffffff81089da6>] ? up_read+0x10/0x19 [<ffffffff81061607>] ? do_exit+0x2f2/0xa61 [<ffffffff81089da6>] ? up_read+0x10/0x19 [<ffffffff81061e75>] ? sys_exit_group+0x0/0x24 [<ffffffff81061e8e>] ? sys_exit_group+0x19/0x24 [<ffffffff810039ab>] ? system_call_fastpath+0x16/0x1b
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