Thank you both, more details below: - example of mount filer:/homes/vitaly on /homes/vitaly type nfs (rw,nosuid,nodev,soft,timeo=600,retrans=2,rsize=65536,wsize=65536,tcp,nosharecache,fsc=vitaly,sloppy) - ay 12 14:50:13 server kernel: [623309.219951] May 12 14:50:13 server kernel: [623309.219963] CacheFiles: Assertion failed May 12 14:50:13 server kernel: [623309.219972] 1 == 0 is false May 12 14:50:13 server kernel: [623309.220004] ------------[ cut here ]------------ May 12 14:50:13 server kernel: [623309.220016] kernel BUG at /build/buildd/linux-3.13.0/fs/cachefiles/interface.c:333! May 12 14:50:13 server kernel: [623309.220032] invalid opcode: 0000 [#1] SMP May 12 14:50:13 server kernel: [623309.220047] Modules linked in: nvidia_uvm(POF) nfsv3 rpcsec_gss_krb5 nfsv4 autofs4 cac hefiles bnep rfcomm bluetooth nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache gpio_ich snd_hda_codec_hdmi joydev wmi x86 _pkg_temp_thermal intel_powerclamp mac_hid coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_ intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd sb_edac snd_hda_intel snd_seq_midi edac_core snd_hda_codec sn d_seq_midi_event snd_rawmidi snd_hwdep ioatdma snd_pcm snd_seq nvidia(POF) mei_me mei snd_page_alloc snd_seq_device snd_ti mer snd drm lpc_ich soundcore ipmi_si parport_pc ppdev lp parport hid_generic isci igb ixgbe i2c_algo_bit usbhid libsas md io dca ahci ptp hid libahci pps_core scsi_transport_sas May 12 14:50:13 server kernel: [623309.220356] CPU: 6 PID: 9162 Comm: kworker/u50:1 Tainted: PF O 3.13.0-24-gene ric #47-Ubuntu May 12 14:50:13 server kernel: [623309.220375] Hardware name: Supermicro X9DRG-O(T)F/X9DRG-O(T)F, BIOS 3.0 12/27/2013 May 12 14:50:13 server kernel: [623309.220397] Workqueue: fscache_object fscache_object_work_func [fscache] May 12 14:50:13 server kernel: [623309.220428] task: ffff8839df36c7d0 ti: ffff8820a3772000 task.ti: ffff8820a3772000 May 12 14:50:13 server kernel: [623309.220472] RIP: 0010:[<ffffffffa023a05b>] [<ffffffffa023a05b>] cachefiles_put_object +0x22b/0x2a0 [cachefiles] - May 12 14:50:13 server kernel: [623309.220525] RSP: 0018:ffff8820a3773dc8 EFLAGS: 00010282 May 12 14:50:13 server kernel: [623309.220551] RAX: 000000000000000f RBX: ffff883c318c4f00 RCX: 0000000000000006 May 12 14:50:13 server kernel: [623309.220595] RDX: 0000000000000007 RSI: 0000000079887986 RDI: 0000000000000246 May 12 14:50:13 server kernel: [623309.220638] RBP: ffff8820a3773dd8 R08: 0000000000000092 R09: 0000000000000849 May 12 14:50:13 server kernel: [623309.220681] R10: ffffffff8185a960 R11: ffff8820a3773af6 R12: ffff883c318c4f00 May 12 14:50:13 server kernel: [623309.220725] R13: ffff883c318c4f00 R14: 0000000000000061 R15: ffff883c318c4f90 May 12 14:50:13 server kernel: [623309.220768] FS: 0000000000000000(0000) GS:ffff88409fc00000(0000) knlGS:00000000000000 00 May 12 14:50:13 server kernel: [623309.220813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 On Tue, May 12, 2015 at 5:33 PM, Milosz Tanski <milosz@xxxxxxxxx> wrote: > On Tue, May 12, 2015 at 10:08 AM, Vitaly <vitaly@xxxxxxxxxxx> wrote: > > My server crashes about once per week because cachefiles with > "CacheFiles: > > Assertion failed" . > > It's Ubuntu 14.04 with "CacheFiles: Assertion failed" kernel. > > > > Is there any fix or workaround for avoid these crashes? > > > > TIA, > > Vitaly > > Vitaly, > > I believe there's been a lot of fixes for fscache since the kernel in > 14.04 made by David and to some extent my self. > > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/?qt=grep&q=FS-Cache > I believe David also has additional fixes that are queued up for NFS > with fscache. If it's possible try using the vivid kernels on your > machine. > > Can you please provide more details about the assertion? Like the log > lines before it / any kernel oops. What filesystem you're backing with > fscache. Without this information it's hard for us to help you out. > > Best, > - Milosz > > -- > Milosz Tanski > CTO > 16 East 34th Street, 15th floor > New York, NY 10016 > > p: 646-253-9055 > e: milosz@xxxxxxxxx > -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cachefs
