Re: kernel freeze (not even an OOPS) on remount-ro+umount when using quotas

[Michael Tokarev <mjt@tls.msk.ru>]

Michael Tokarev wrote:
> This is something that has biten me quite successefully
> in last few days... ;)
> 
> To make a long story short:
> 
>  # mke2fs -j /dev/hda6
>  # mount -o usrquota /dev/hda6 /mnt
>  # cp -a /home /mnt                # to make some files to work with
>  # quotacheck -uc /mnt
>  # quotaon /mnt
>  # mount -o remount,ro             # this is the important step!

  # mount -o remount,ro /dev/hda6 /mnt
ofcourse... ;)

>  # ls -l /mnt /mnt/home            # to do "something" (also important)
>  # umount /mnt
> 
> At this time (attempting to umount the read-only filesystem with quotas
> enabled), the machine freezes without any messages on the console.  No
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