Re: how to debug this fuse problem
I've been having the same/similar issue, but with Jungle Disk software attempting to mount a network folder (webdav). This started some time (right after? didn't notice. Jungle Disk log is daily, does not extend back) after a kernel upgrade (dist-upgrade on April 9 included:
Upgrade: mailman:amd64 (2.1.18-1~bpo70+1, 2.1.18-2~bpo70+1), linux-image-3.16.0-0.bpo.4-amd64:amd64 (3.16.7-ckt4-3~bpo70+1, 3.16.7-ckt7-1~bpo70+1), linux-libc-dev:amd64 (3.16.7-ckt4-3~bpo70+1, 3.16.7-ckt7-1~bpo70+1))
"Warning Details (Jungle Disk Desktop 3.16 Linux Console x64)
------------------------
Failed to mount volume
Exception Code: xDriveMapFailed (53)
Time: 17/04/15 09:34:28 AM (GMT-6)
Detailed Message: fuse_mount(/home/xxxx/jd_wb) failed: fuse: device not found, try 'modprobe fuse' first"
root@wb-host:~# modprobe fuse
ERROR: could not insert 'fuse': Unknown symbol in module, or unknown parameter (see dmesg)
root@wb-host:~# dmesg
<redacted>
[ 595.346552] fuse: Unknown symbol pagecache_get_page_fixed (err 0)
root@wb-host:~# insmod /lib/modules/3.16.0-0.bpo.4-amd64/kernel/fs/fuse/fuse.ko
Error: could not insert module /lib/modules/3.16.0-0.bpo.4-amd64/kernel/fs/fuse/fuse.ko: Unknown symbol in module
root@wb-host:~# ls -l /lib/modules/3.16.0-0.bpo.4-amd64/kernel/fs/fuse/
total 184
-rw-r--r-- 1 root root 17752 Apr 8 11:23 cuse.ko
-rw-r--r-- 1 root root 164272 Apr 8 11:23 fuse.ko
root@wb-host:~# uname -r
3.16.0-0.bpo.4-amd64
root@wb-host:~# dpkg-query -W 'linux-image-3.16.0-0.bpo.4-amd64'
linux-image-3.16.0-0.bpo.4-amd64 3.16.7-ckt7-1~bpo70+1
root@wb-host:~# dpkg -l | grep fuse
ii fuse 2.9.0-2+deb7u1 amd64 Filesystem in Userspace
ii libfuse-dev 2.9.0-2+deb7u1 amd64 Filesystem in Userspace (development)
ii libfuse2:amd64 2.9.0-2+deb7u1 amd64 Filesystem in Userspace (library)
Tried depmod -a
and checked debsums to no avail.
Reinstalled kernel through apt-get, rebooted, no progress.
dpkg-reconfigure fuse - no change
Removed (purge), reinstalled fuse, reboot, no change.
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