Re: kernel tainted after fresh install; Fedora contains such modules?

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JB wrote:
> Frantisek Hanzlik<franta<at>  hanzlici.cz>  writes:
>
>>
>> After fresh Fedora install (from Fedora repo only) I found in
>> "/var/log/messages" records as:
>>
>> Oct  1 07:08:26 ns kernel: ------------[ cut here ]------------
>> Oct  1 07:08:26 ns kernel: WARNING: at lib/dma-debug.c:791
>> check_unmap+0x7a/0x59b()
>> Oct  1 07:08:26 ns kernel: Hardware name: EP45-DQ6
>> Oct  1 07:08:26 ns kernel: dl2k 0000:09:00.0: DMA-API: device driver
>> tries to free an invalid DMA memory address
>> Oct  1 07:08:26 ns kernel: Modules linked in: bluetooth rfkill
>> nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_u32 ipt_LOG xt_limit
>> uinput iTCO_wdt i2c_i801 iTCO_vendor_support r8169 mii i2c_core dl2k
>> microcode raid1 [last unloaded: hwmon_vid]
>> Oct  1 07:08:26 ns kernel: Pid: 2454, comm: ip Tainted: G        W
>> 2.6.35.4-28.fc14.i686.PAE #1
>> Oct  1 07:08:26 ns kernel: Call Trace:
>> Oct  1 07:08:26 ns kernel: [<c0441f39>] warn_slowpath_common+0x6a/0x7f
>> ...
>> Oct  1 07:08:26 ns kernel: ---[ end trace a70d91368aa35943 ]---
>>
>> Oops itself is probably suited for bug report, but what isn't clear for
>> me is line
>> Oct  1 07:08:26 ns kernel: Pid: 2454, comm: ip Tainted: G        W
>> 2.6.35.4-28.fc14.i686.PAE #1
>>
>> Which module caused that kernel is tainted? I suppose Fedora contains
>> only open SW including kernel modules, isn't then there something wrong?
>>
>> Thanks, Franta HanzlÃk
>
> Hi,
> an answer from test mailing list.
>
>  From kernel doc
>
> "  1: 'G' if all modules loaded have a GPL or compatible license, 'P' if
>       any proprietary module has been loaded.  Modules without a
>       MODULE_LICENSE or with a MODULE_LICENSE that is not recognised by
>       insmod as GPL compatible are assumed to be proprietary.
> "
>
> " 10: 'W' if a warning has previously been issued by the kernel.
>       (Though some warnings may set more specific taint flags.)
> "
>
> JB

Hello Miss JB,
i just found your answer, as you wrote it, in kernel-doc Fedora RPM 
package (/usr/share/doc/stable.knl/Documentation/oops-tracing.txt).
I previous had some phantasy how should be "desperate" tainting module 
dislosured - but it was probable other kernel in other universe.
Thanks
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