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DateWed, 25 Mar 1998 07:26:29 +0100 (CET)
FromNiels Kristian Bech Jensen <>
SubjectRe: pre91-1 dies under heavy swapping (vmscan)
> Just booted up pre91-1 after building it, went to build the floppy driver
> as a module and the system just fell silent. <Alt><Scroll> showed it was
> looping in swap_out_vma() in mm/vmscan.c  Very repeatable (100%).
> 
> Backing out the patches to page_alloc.c and vmscan.c "fixes" the problem.
> I haven't the time to look at it in more detail now.
> 
> Easy to reproduce - just boot with mem=8m and compile floppy.c
> 
> [Side note: SysRq+u won't unmount for you when you do this, so be careful]
> 
> [Side note 2: SysRq+anything seems to leave the keyboard in an un-typeable
>  state until you ALT+Fn to another console and back.]
> 
I did a 'cp -Rd linux-2.1.90 linux' on a system with 32M. Same result!

It seems to me that pre-2.1.91-1 swaps a lot more than 2.1.90.

--
Med venlig hilsen / Best regards
                                                              nkbj@image.dk
Niels Kristian Bech Jensen                       http://www.image.dk/~nkbj/


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