Messages in this thread Patch in this message | | | Date | Wed, 20 Jun 2001 16:56:24 -0300 (BRST) | From | Rik van Riel <> | Subject | Re: Linux 2.4.5-ac15 |
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On Tue, 19 Jun 2001, Walter Hofmann wrote: > On Sun, 17 Jun 2001, Walter Hofmann wrote: > > > I had already two crashes with ac15. The system was still ping-able, but > > login over the network didn't work anymore. > > > > The first crash happened after I started xosview and noticed that the > > system almost used up the swap (for no apparent reason). The second > > crash happened shortly after I started fsck on a crypto-loop device. > > FWIW, here is the vmstat output for the second (short) hang. Taken with > ac14, vmstat 1 was started (long) before the hang and interrupted about > five seconds after it. The machine has 128MB RAM and 256MB swap.
> procs memory swap io system cpu > r b w swpd free buff cache si so bi bo in cs us sy id > 1 0 0 77000 1464 18444 67324 8 0 152 224 386 1345 26 19 55 > 2 4 2 77084 1524 18396 66904 0 1876 108 2220 2464 66079 1 98 1
Does the following patch help with this problem, or are you both experiencing something unrelated to this particular buglet ?
regards,
Rik -- Executive summary of a recent Microsoft press release: "we are concerned about the GNU General Public License (GPL)"
http://www.surriel.com/ http://www.conectiva.com/ http://distro.conectiva.com/
--- linux/mm/swapfile.c.~1~ Thu May 3 16:34:46 2001 +++ linux/mm/swapfile.c Thu May 3 16:36:07 2001 @@ -67,8 +67,14 @@ } /* No luck, so now go finegrined as usual. -Andrea */ for (offset = si->lowest_bit; offset <= si->highest_bit ; offset++) { - if (si->swap_map[offset]) + if (si->swap_map[offset]) { + /* Any full pages we find we should avoid + * looking at next time. */ + if (offset == si->lowest_bit) + si->lowest_bit++; continue; + } + got_page: if (offset == si->lowest_bit) si->lowest_bit++; @@ -79,6 +85,7 @@ si->cluster_next = offset+1; return offset; } + si->highest_bit = 0; return 0; }
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