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 Hanzlík
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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