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    Subjectx86info results ioremap.c:226 __ioremap_caller+0xf2/0x2d6() WARNINGs

    When running x86info on a 2.6.27-git8 system I get

    (the M taint is harmless in this case, came from other testing)

    resource map sanity check conflict: 0x9e000 0x9efff 0x10000 0x9e7ff System RAM
    ------------[ cut here ]------------
    WARNING: at /home/lsrc/linux/arch/x86/mm/ioremap.c:226 __ioremap_caller+0xf2/0x2d6()
    Modules linked in:
    Pid: 8805, comm: x86info Tainted: G M 2.6.27-git8 #110
    Call Trace:
    [<ffffffff80236ba1>] warn_on_slowpath+0x58/0x75
    [<ffffffff8021db80>] ? do_flush_tlb_all+0x0/0x37
    [<ffffffff8023b058>] ? on_each_cpu+0x21/0x2c
    [<ffffffff8023bc80>] ? iomem_map_sanity_check+0x61/0x89
    [<ffffffff8022467b>] __ioremap_caller+0xf2/0x2d6
    [<ffffffff803c0648>] ? read_mem+0x5a/0xca
    [<ffffffff802248e4>] xlate_dev_mem_ptr+0x73/0x9e
    [<ffffffff803c0648>] read_mem+0x5a/0xca
    [<ffffffff8028ed19>] vfs_read+0xab/0x134
    [<ffffffff8028f01e>] sys_read+0x47/0x70
    [<ffffffff8020b27b>] system_call_fastpath+0x16/0x1b
    ---[ end trace 8262d1d3f66bcc38 ]---
    resource map sanity check conflict: 0x9e000 0x9efff 0x10000 0x9e7ff System RAM
    ------------[ cut here ]------------
    WARNING: at /home/lsrc/linux/arch/x86/mm/ioremap.c:226 __ioremap_caller+0xf2/0x2d6()
    Modules linked in:
    Pid: 8805, comm: x86info Tainted: G M W 2.6.27-git8 #110
    Call Trace:
    [<ffffffff80236ba1>] warn_on_slowpath+0x58/0x75
    [<ffffffff8021db80>] ? do_flush_tlb_all+0x0/0x37
    [<ffffffff8023b058>] ? on_each_cpu+0x21/0x2c
    [<ffffffff8023bc80>] ? iomem_map_sanity_check+0x61/0x89
    [<ffffffff8022467b>] __ioremap_caller+0xf2/0x2d6
    [<ffffffff803c0648>] ? read_mem+0x5a/0xca
    [<ffffffff802248e4>] xlate_dev_mem_ptr+0x73/0x9e
    [<ffffffff803c0648>] read_mem+0x5a/0xca
    [<ffffffff8028ed19>] vfs_read+0xab/0x134
    [<ffffffff8028f01e>] sys_read+0x47/0x70
    [<ffffffff8020b27b>] system_call_fastpath+0x16/0x1b
    ---[ end trace 8262d1d3f66bcc38 ]---
    resource map sanity check conflict: 0x9e000 0x9efff 0x10000 0x9e7ff System RAM
    ------------[ cut here ]------------
    WARNING: at /home/lsrc/linux/arch/x86/mm/ioremap.c:226 __ioremap_caller+0xf2/0x2d6()
    Modules linked in:
    Pid: 9236, comm: x86info Tainted: G M W 2.6.27-git8 #110
    Call Trace:
    [<ffffffff80236ba1>] warn_on_slowpath+0x58/0x75
    [<ffffffff8021db80>] ? do_flush_tlb_all+0x0/0x37
    [<ffffffff8023b058>] ? on_each_cpu+0x21/0x2c
    [<ffffffff8023bc80>] ? iomem_map_sanity_check+0x61/0x89
    [<ffffffff8022467b>] __ioremap_caller+0xf2/0x2d6
    [<ffffffff803c0648>] ? read_mem+0x5a/0xca
    [<ffffffff802248e4>] xlate_dev_mem_ptr+0x73/0x9e
    [<ffffffff803c0648>] read_mem+0x5a/0xca
    [<ffffffff8028ed19>] vfs_read+0xab/0x134
    [<ffffffff8028f01e>] sys_read+0x47/0x70
    [<ffffffff8020b27b>] system_call_fastpath+0x16/0x1b
    ---[ end trace 8262d1d3f66bcc38 ]---
    resource map sanity check conflict: 0x9e000 0x9efff 0x10000 0x9e7ff System RAM

    ... more of them ...

    -Andi

    --
    ak@linux.intel.com


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