C200, 712/80: strange sysfs issues with Linux 4.18.0-1-parisc
Hi all,
I'm experiencing some strange issues on both a C200 and a 712/80 with
the current 32 bit SP kernel (4.18.0-2.parisc (4.18.10-2)). This does
not happen when using the 64 bit MP kernel of the same version on a
rp3440 for example.
For every module loaded I get a message similar to the following example:
C200:
```
[...]
[ 47.799100] sysfs: cannot create duplicate filename
'/module/nfs/sections/.text'
[ 47.887396] CPU: 0 PID: 98 Comm: modprobe Not tainted 4.18.0-2-parisc
#1 Debian 4.18.10-2
[ 47.984894] Backtrace:
[ 48.013164] [<1017ce2c>] show_stack+0x3c/0x50
[ 48.066177] [<107a7210>] dump_stack+0x28/0x38
[ 48.119192] [<103f900c>] sysfs_warn_dup+0x88/0xac
[ 48.176329] [<103f8b1c>] sysfs_add_file_mode_ns+0x164/0x1d0
[ 48.243832] [<103f9e70>] internal_create_group+0x11c/0x304
[ 48.310277] [<103fa0a0>] sysfs_create_group+0x48/0x60
[ 48.371571] [<1022abe8>] load_module.constprop.35+0x1f9c/0x23b8
[ 48.443200] [<1022b278>] sys_finit_module+0xd0/0x11c
[ 48.503468] [<101831dc>] syscall_exit+0x0/0x14
[...]
```
Testing with older kernel versions, this seems to start with
4.18.0-1-parisc (4.18.6-1). 4.17.0-1-parisc (4.17.8-1) is still OK.
[1] is from 2011 and describes a similar case (on s390x though) and
there are also other reports on the web from earlier (e.g. [2] for
Debian on amd64, though the reason there looks different to [1]) and
later that describe a similar behaviour.
[1]: https://lore.kernel.org/patchwork/patch/244909/
[2]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=605472
Did anyone with an on-disk installation notice something similar recently?
Cheers,
Frank
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