Re: illegal context for sleeping ... rmmod ide-cd + ide-scsi

[Douglas Gilbert]

Andrew Morton wrote:
> Douglas Gilbert <[e-mail]> wrote:
> 
>>In lk 2.5.69 (and in 68) both the ide-cd and ide-scsi
>>modules generate a "sleeping function called from illegal
>>context" stack trace when removed.
>>
>>After "rmmod ide-cd" this appears:
>>  Debug: sleeping function called from illegal context
>>         at include/asm/semaphore.h:119
>>  Call Trace:
>>   [<c011dcec>] __might_sleep+0x5c/0x70
> 
> 
> ide_unregister_subdriver() does spin_lock_irqsave(&ide_lock), then
> calls auto_remove_settings(), which does down(&ide_setting_sem);
> 
> A simple fix might be:

Andrew,
Thanks. That patch clears the reported problem.

Doug Gilbert