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

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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


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