lkml.org 
[lkml]   [2011]   [Jul]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH][Resend v2] Fix infinite loop in search_binary_handler()
Date
Am Montag 04 Juli 2011, 13:51:55 schrieb Tetsuo Handa:
> Richard Weinberger wrote:
> > Running a x86_64 kernel without ia32 emulation and a x86 user land
> > triggers this issue.
>
> Executing /sbin/modprobe for x86_32 on an x86_64 kernel without x86_32
> support?

Yep.

> Anyway, request_module() calls __request_module() but
> __request_module() stops at MAX_KMOD_CONCURRENT levels of nesting.
> So, I think "infinite loop" cannot happen.

Booting a x86_64 UML kernel with x86_32 user land triggers this issue.
I always wondered why the UML kernel hangs an consumes 100% CPU.

Thanks,
//richard


\
 
 \ /
  Last update: 2011-07-04 13:59    [W:0.059 / U:0.236 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site