Re: regression: 100% io-wait with 2.6.24-rcX

[Joerg Platte]

Am Mittwoch, 9. Januar 2008 schrieb Fengguang Wu:
> > /dev/sda6 on / type ext3 (rw,noatime,errors=remount-ro,acl)
> > tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
> > proc on /proc type proc (rw,noexec,nosuid,nodev)
> > sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
> > procbususb on /proc/bus/usb type usbfs (rw)
> > udev on /dev type tmpfs (rw,mode=0755)
> > tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
> > devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
> > fusectl on /sys/fs/fuse/connections type fusectl (rw)
> > /dev/sda7 on /tmp type ext2 (rw,noatime,errors=remount-ro,acl)
> > /dev/sda8 on /export type ext3 (rw,noatime,errors=remount-ro,acl)
> > /dev/sda1 on /winxp type ntfs (rw,umask=002,gid=10000,nls=utf8)
>
> So they are ext3/ext2/ntfs.  What if you umount ntfs? and ext2 if possible?

Unmounting ntfs doesn't help, hence I converted the remaining ext2 filesystem 
to ext3, modified the fstab entry accordingly and rebooted. Now everything 
seems to be fine! Top reports an idle system and there is no abnormal iowait 
any longer! Seems to be ext2 was causing this! Later today I can try to 
remount the filesystem as ext2 to be sure the bug shows up again.

regards,
JÃrg

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