Date: Fri, 7 Dec 2018 09:53:32 +0100 From: Michal Meloun <melounmichal@gmail.com> To: freebsd-current@freebsd.org Subject: Re: rm cannot recursively delete directory on tmpfs on RPi2 Message-ID: <16c12239-031e-14fd-e82a-450b242338c5@freebsd.org> In-Reply-To: <CAGudoHGc%2BD3Cj74pq07vz-HzRwDGywkr4TK0aWAk1AaDqHAn6g@mail.gmail.com> References: <CAHNYxxOxnunpBnU4_DoLjfFcVdJ5p7jDqYwSrYgm3S-weUNBew@mail.gmail.com> <CAOtMX2jTJ0Kk%2Bf%2Bc%2BZ_ZwFx4q4GrxRFgrUTof78b035j0KaYPQ@mail.gmail.com> <CAHNYxxPFZ012DEobiix9Wk4M8X5kuBMrzKDmnT=4YHsfd-1tEA@mail.gmail.com> <CAGudoHGc%2BD3Cj74pq07vz-HzRwDGywkr4TK0aWAk1AaDqHAn6g@mail.gmail.com>
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On 07.12.2018 7:25, Mateusz Guzik wrote: > On 12/7/18, Jia-Shiun Li <jiashiun@gmail.com> wrote: >> On Fri, Dec 7, 2018 at 12:36 AM Alan Somers <asomers@freebsd.org> wrote: >> >>> On Wed, Dec 5, 2018 at 10:18 PM Jia-Shiun Li <jiashiun@gmail.com> wrote: >>>> >>>> amd64 and RPi3 do not have this issue. >>>> >>>> jsli@rpi2:/home/jsli 13:04 # uname -a >>>> FreeBSD rpi2 13.0-CURRENT FreeBSD 13.0-CURRENT r341419 GENERIC-NODEBUG >>> arm >>>> jsli@rpi2:/home/jsli 13:05 # mount -t tmpfs tmpfs /mnt >>>> jsli@rpi2:/home/jsli 13:05 # cd /mnt >>>> jsli@rpi2:/mnt 13:05 # tar xf >>>> /usr/ports/distfiles/sqlite-autoconf-3260000.tar.gz >>>> jsli@rpi2:/mnt 13:05 # rm -rf sqlite-autoconf-3260000/ >>>> rm: sqlite-autoconf-3260000/tea: Operation not permitted >>>> rm: sqlite-autoconf-3260000/: Directory not empty >>>> jsli@rpi2:/mnt 13:05 # >>>> >>>> -Jia-Shiun >>> >>> Did you check for file flags? Do "ls -lod sqlite-autoconf-3260000/tea". >>> >>> >> Unlikely caused by flags I think. >> >> jsli@rpi2:/home/jsli # mount -t tmpfs tmpfs /mnt >> jsli@rpi2:/home/jsli # cd /mnt >> jsli@rpi2:/mnt # ls -R >> jsli@rpi2:/mnt # mkdir dir >> jsli@rpi2:/mnt # ls -R >> dir/ >> ls: dir: directory causes a cycle >> jsli@rpi2:/mnt # >> >> >> looks inode no for directories are wrong >> >> jsli@rpi2:/mnt # ll -ia >> total 4 >> 2 drwxr-xr-x 3 root wheel 36 Dec 7 09:55 ./ >> 2 drwxr-xr-x 23 root wheel 512 Dec 3 17:04 ../ >> 2 drwxr-xr-x 2 root wheel 0 Dec 7 09:55 dir/ >> jsli@rpi2:/mnt # ll -ia dir >> total 0 >> 2 drwxr-xr-x 2 root wheel 0 Dec 7 09:55 ./ >> 2 drwxr-xr-x 3 root wheel 36 Dec 7 09:55 ../ >> jsli@rpi2:/mnt # >> > > Ouch. > > Looks like 64-bit atomic on 32-bit arm don't work as advertised. > > While they should be fixed, I have been meaning to commit the following > which will have a side effect of taking care of the bug you ran into: > Mateusz, where you see problem with 64-bit atomic on arm? I'm not aware of any problem in this area.
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