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SubjectRe: regression (bisected): "modprobe parport_pc" hangs in current mainline
HI Michal,

On Wed, Mar 13, 2019 at 6:45 AM Michal Kubecek <mkubecek@suse.cz> wrote:
>
> Hello,
>
> I encountered a regression in current (post-5.0) mainline kernel which I
> bisected to commit 1aec4211204d ("parport: daisy: use new parport device
> model"). Running "modprobe parport_pc" hangs up:

Can you please send me your .config so that I can test it from my side.

>
> tweed:~ # ps ax | grep modprobe
> 1206 pts/0 D+ 0:00 modprobe parport_pc
> 1209 ? S 0:00 /sbin/modprobe -q -- parport_lowlevel
> 1211 pts/1 S+ 0:00 grep modprobe
> tweed:~ # cat /proc/1206/stack
> [<0>] call_usermodehelper_exec+0xc7/0x140
> [<0>] __request_module+0x1a1/0x430
> [<0>] __parport_register_driver+0x142/0x150 [parport]

And also, modprobe is trying to load a dependent module, so it will be
great if you can also do a "lsmod" before doing the modprobe and I can
check what is going wrong.


--
Regards
Sudip

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