Re: What part of the kernel code maintains /proc/modules
Stab in the dark - at boot, is it picking up a different module version >from an initramfs? > > > > >You a genius, man ! >Will double check but this should be. >Thanks a lot.___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
Re: What part of the kernel code maintains /proc/modules
On Thu, 28 Aug 2014 09:41:18 -0700, StephanT said: > As shown above both have the same Version - they were built together on the > same system. If I unload and load back the usb-storage the (F) disappears. > After re-boot the (F) is back. Stab in the dark - at boot, is it picking up a different module version from an initramfs? pgpKLS1_Lzm6w.pgp Description: PGP signature ___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
Re: What part of the kernel code maintains /proc/modules
Hi,
Thanks for the answer. Still cannot understand:
-bash-4.1# uname -r
3.10.14-100.146887.clp6.x86_64
-bash-4.1# modinfo usb-storage.ko
filename: usb-storage.ko
license: GPL
description: USB Mass Storage driver for Linux
author: Matthew Dharm
alias: usb:v*p*d*dc*dsc*dp*ic08isc06ip50in*
... lots of aliases ...
alias: usb:v03EBp2002d0100dc*dsc*dp*ic*isc*ip*in*
depends:
intree: Y
vermagic: 3.10.14-100.146887.clp6.x86_64 SMP mod_unload
parm: option_zero_cd:ZeroCD mode (1=Force Modem (default), 2=Allow
CD-Rom (uint)
parm: swi_tru_install:TRU-Install mode (1=Full Logic (def), 2=Force
CD-Rom, 3=Force Modem) (uint)
parm: delay_use:seconds to delay before using a new device (uint)
parm: quirks:supplemental list of device IDs and their quirks (string)
As shown above both have the same Version - they were built together on the
same system. If I unload and load back the usb-storage the (F) disappears.
After re-boot the (F) is back.
Any idea why
Thanks.
On Thursday, August 28, 2014 7:53 AM, "valdis.kletni...@vt.edu"
wrote:
>
>
>On Wed, 27 Aug 2014 16:55:23 -0700, StephanT said:
>
>
>> Just want to know why in /proc/modules some of the modules are marked (F). Li
>ke:
>>
>> usb_storage 56610 0 - Live 0xa005d000 (F)
>
>kernel/modules.c has a function module_flags_taint():
>
>static size_t module_flags_taint(struct module *mod, char *buf)
>{
> size_t l = 0;
>
> if (mod->taints & (1 << TAINT_PROPRIETARY_MODULE))
> buf[l++] = 'P';
> if (mod->taints & (1 << TAINT_OOT_MODULE))
> buf[l++] = 'O';
> if (mod->taints & (1 << TAINT_FORCED_MODULE))
> buf[l++] = 'F';
> if (mod->taints & (1 << TAINT_CRAP))
> buf[l++] = 'C';
> if (mod->taints & (1 << TAINT_UNSIGNED_MODULE))
> buf[l++] = 'E';
> /*
> * TAINT_FORCED_RMMOD: could be added.
> * TAINT_CPU_OUT_OF_SPEC, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't
> * apply to modules.
> */
> return l;
>}
>
>Somebody 'modprobe -f' that module into the kernel, and it may or may not
>actually work properly because it wasn't compiled against the kernel that
>is running. Hilarity can result if it's using a different definition for
>some random 'struct foo' than the rest of the kernel...
>
>
>
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Re: What part of the kernel code maintains /proc/modules
On Wed, 27 Aug 2014 16:55:23 -0700, StephanT said:
> Just want to know why in /proc/modules some of the modules are marked (F). Li
ke:
>
> usb_storage 56610 0 - Live 0xa005d000 (F)
kernel/modules.c has a function module_flags_taint():
static size_t module_flags_taint(struct module *mod, char *buf)
{
size_t l = 0;
if (mod->taints & (1 << TAINT_PROPRIETARY_MODULE))
buf[l++] = 'P';
if (mod->taints & (1 << TAINT_OOT_MODULE))
buf[l++] = 'O';
if (mod->taints & (1 << TAINT_FORCED_MODULE))
buf[l++] = 'F';
if (mod->taints & (1 << TAINT_CRAP))
buf[l++] = 'C';
if (mod->taints & (1 << TAINT_UNSIGNED_MODULE))
buf[l++] = 'E';
/*
* TAINT_FORCED_RMMOD: could be added.
* TAINT_CPU_OUT_OF_SPEC, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't
* apply to modules.
*/
return l;
}
Somebody 'modprobe -f' that module into the kernel, and it may or may not
actually work properly because it wasn't compiled against the kernel that
is running. Hilarity can result if it's using a different definition for
some random 'struct foo' than the rest of the kernel...
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What part of the kernel code maintains /proc/modules
Hi, Just want to know why in /proc/modules some of the modules are marked (F). Like: usb_storage 56610 0 - Live 0xa005d000 (F) Thanks, Stephan. ___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
