4.5m boot on 9.2 poss. hwscand at fault
Hi list, I think that is the most succinct title I could come up with. I installed 9.2 on a laptop that previously had gentoo and 9.1 on it in recent weeks. With 9.2 the boot up takes an extraordinary long time - 4.5 minutes at last run. In the boot process this happens where the reiser filesystem checks/log replays occur. Around there you can physically see the slow down, as the scrolling of the screen becomes "jerky". I used the nifty bootchart to build a picture of what was going on, and the culprit appears to be hwscand. Strangely even disabling the hwscan init script, still allows this to run. Damned if I can see what is starting this process. However from the chart I can see that this bar is huge, constantly uses big gobs of CPU. The disks hardly look to get hit. For what it's worth this is a Compaq Presario 700 series (712AU I think). I've checked through the dmesg output and the /var/log/messages file, and nothing looks suspicious as far as I can see. Can anyone tell me how hwscand is started, and possibly even why it's pegging out the CPU for over 3 minutes? TIA -- Steve Boddy
On Sunday 06 March 2005 14:56, you wrote:
Hi Stephen,
Found a recent question from you via google.
I have the same problem, caused I think by usb/reiserfs. Did you track down why hwscand was starting up? Do you know how to speed up boot times?.
Ed
Hi Ed, I haven't got to the bottom of it I'm afraid. It was on a laptop, and I can use software suspend instead of powering off all the time. That does me for now As far as I know the hwscan stuff is custom SuSE stuff that gets run by default, and I may have been the first to see this and make the guess that it relates to hwscan. What makes you think it is usb/reiserfs? I did a boot graph, and it looked more like hwscand was the culprit. BTW, it is considered bad form to reply direct to someone off the mail-list. I've BCC'd you so your e-mail is not advertised on list, (also bad form, but I'm guessing you're not subscribed). -- Steve Boddy
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Stephen Boddy