lkml.org 
[lkml]   [2012]   [Nov]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: Issues with "x86, um: switch to generic fork/vfork/clone" commit
From
On Fri, Nov 9, 2012 at 8:51 PM, Al Viro <viro@zeniv.linux.org.uk> wrote:
> On Fri, Nov 09, 2012 at 08:36:53PM -0800, Michel Lespinasse wrote:
>> Hi,
>>
>> I'm having an issue booting current linux-next kernels on my test
>> machines. Userspace crashes when it's supposed to pivot to the rootfs.
>> With the loglevel=8 kernel parameter, the last messages I see are:
>>
>> Checking root filesystem in pivot_root init.
>> [ 6.252717] usb 2-1: link qh256-0001/ffff880853ec9ab8 start 1 [1/0 us]
>> [ 6.259419] hub 2-1:1.0: state 7 ports 8 chg 0000 evt 0000
>> [ 6.292302] traps: hotplug[1633] general protection ip:f767c06b
>> sp:ffbb2d1c error:0 in libc-2.3.6.so[f7652000+126000]
>>
>> I ran a bisection and it turns out that
>> e52d03a3775841cc68d0ea9d86f2f09b603c41e6 (x86, um: switch to generic
>> fork/vfork/clone) is the commit breaking my setup. When reverting
>> that, I am able to boot linux-next (or mmotm, which is what I was
>> trying to do in the first place) without issues.
>>
>> Sorry for not having a more complete root cause at the moment - I'm
>> lacking some context as to what the change is trying to do.
>
> Hmm... 32bit native, presumably?

This is running on a x86_64 system; I believe the userspace binaries
should be 64-bit as well.

--
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.


\
 
 \ /
  Last update: 2012-11-10 06:01    [W:0.071 / U:1.112 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site