On Wed, Dec 26, 2018 at 10:44 PM Nikolaus Rath <Nikolaus@xxxxxxxx> wrote: > > Hi, > > I am seeing relatively regular occurences of > > $ sudo dmesg | tail > [21929.138815] fuse: trying to steal weird page > [21929.138821] page=00000000a7dd2617 index=64 flags=17fffc0000000ad, count=1, mapcount=0, mapping= (null) > [21930.647338] fuse: trying to steal weird page > [21930.647345] page=00000000a07f32af index=2848 flags=17fffc0000000ad, count=1, mapcount=0, mapping= (null) > [21932.338873] fuse: trying to steal weird page > [21932.338879] page=0000000067e3a012 index=64 flags=17fffc0000000ad, count=1, mapcount=0, mapping= (null) > [21933.930703] fuse: trying to steal weird page > [21933.930710] page=00000000046feb25 index=845 flags=17fffc0000000ad, count=1, mapcount=0, mapping= (null) > [21936.163174] fuse: trying to steal weird page > [21936.163180] page=00000000fb80fe27 index=0 flags=17fffc0000000ad, count=1, mapcount=0, mapping= (null) The page has the PG_dity and PG_waiters flags set which are incompatible with stealing. page_cache_pipe_buf_steal() does apparently filter out dirty ones, so it's not a regular file that we are trying to streal the page from. So the question is: what is the source of the splice()? Thanks, Miklos > > They do not seem to correlate with userspace errors. > > (I am debugging a mysterious EBADF error that I get from an nftw() walk > and that disappears when running under strace(), but it its occurence > does not correlate). > > > What are the implications of the above kernel message? Is there a way to > provide more debugging information? > > $ uname -a > Linux vostro.rath.org 4.18.0-0.bpo.1-amd64 #1 SMP Debian 4.18.6-1~bpo9+1 (2018-09-13) x86_64 GNU/Linux > > Best, > -Nikolaus > > -- > GPG Fingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F > > »Time flies like an arrow, fruit flies like a Banana.« > > > -- > fuse-devel mailing list > To unsubscribe or subscribe, visit https://lists.sourceforge.net/lists/listinfo/fuse-devel
