Re: pre91-1 dies under heavy swapping (vmscan)

Niels Kristian Bech Jensen (nkbj@image.dk)
Wed, 25 Mar 1998 07:26:29 +0100 (CET)


> 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/

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu