Messages in this thread |  | | Date | Sun, 15 Sep 2002 10:41:18 -0700 | From | Andrew Morton <> | Subject | Re: 2.5.34-mm4 |
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Axel Siebenwirth wrote: > > Hi Andrew! > > On Fri, 13 Sep 2002, Andrew Morton wrote: > > > url: http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.34/2.5.34-mm4/ > > With changing from 2.5.34-mm2 to -mm4 I have experienced some moments of > quite unresponsive behaviour. For example I am building X which at that > special moment causes pretty heavy disk load and the system doesn't respond > at all. I was using X and was not able to switch consoles or move mouse only > extremely sluggish.
There are large IDE updates in -mm4, and this is consistent with a disk which isn't doing DMA any more. Could you (and Con) please double-check with `hdparm -i' and `hdparm -t' that the disk subsystem is behaving properly?
Yes, it could well be a VM bug, but I wouldn't want to run round in confused circles all day ;) Thanks.
> I have seen that it used more swap that usual.
2.5 is much more swaphappy than 2.4. I believe that this is actually correct behaviour for optimum throughput. But it just happens that people (me included) hate it. We don't notice the improved runtimes for the pagecache-intensive operations but we do notice the time it takes to get the xterms working again.
We have not yet sat down and worked out what to do about this.
> total used free shared buffers cached > Mem: 191096 159340 31756 0 10568 94100 > -/+ buffers/cache: 54672 136424 > Swap: 289160 0 289160 > > This is how it looks like under normal circumstances and when building X I > had 20M in swap usage which seemed quite a lot to me. Maybe I'm just wrong. > Unfortunately I was not able to start vmstat, first because I can't start > vmstat when system is not responding and second it doesn't work anyway > because of your changes. >
Yeah, sorry. The burden of back-compatibility weighed too heavy and Rik decided that we just have to fix userspace to follow kernel changes. There will be breakage for a while; updates are at http://surriel.com/procps/.
Unfortunately, those updates cause odd-but-not-serious things to happen to Red Hat initscripts. This happens when you install standard util-linux as well. It is due to the initscripts passing in arguments which the standard tools do not understand. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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