On Wed, Dec 16, 2015 at 12:51 AM, Eric Eastman <eric.eastman@xxxxxxxxxxxxxx> wrote: > I have opened ticket: 14086 > > On Tue, Dec 15, 2015 at 5:05 AM, Yan, Zheng <ukernel@xxxxxxxxx> wrote: >> On Tue, Dec 15, 2015 at 2:08 PM, Eric Eastman >>> [Tue Dec 15 00:46:55 2015] ------------[ cut here ]------------ >>> [Tue Dec 15 00:46:55 2015] WARNING: CPU: 0 PID: 1123421 at >>> /home/kernel/COD/linux/fs/ceph/addr.c:125 >> >> could you confirm that addr.c:125 is WARN_ON(!PageLocked(page)); > > I am using the generic kernel from: > http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4-rc4-wily > and assuming they did not change anything, from the 4.4rc4 source tree > I pulled down shows: > > 124 ret = __set_page_dirty_nobuffers(page); > 125 WARN_ON(!PageLocked(page)); > 126 WARN_ON(!page->mapping); > > > modinfo ceph > filename: /lib/modules/4.4.0-040400rc4-generic/kernel/fs/ceph/ceph.ko > license: GPL > description: Ceph filesystem for Linux > author: Patience Warnick <patience@xxxxxxxxxxxx> > author: Yehuda Sadeh <yehuda@xxxxxxxxxxxxxxx> > author: Sage Weil <sage@xxxxxxxxxxxx> > alias: fs-ceph > srcversion: E94BA78C2D998705FE2C600 > depends: libceph,fscache > intree: Y > vermagic: 4.4.0-040400rc4-generic SMP mod_unload modversions > > This error has shown up about 20 times in 12 hours, since I started > the ESXi test. > This warning is really strange. Could you try the attached debug patch. Regards Yan, Zheng
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cephfs.patch
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