Is it a kernel related thing, or could it be the fix to nbd-client signal handling as detailed in this thread?
https://www.mail-archive.com/nbd-general@lists.sourceforge.net/msg01568.html On Wed, Feb 19, 2014 at 6:10 PM, Ben Hutchings <b...@decadent.org.uk> wrote: > Ernesto reported that ndb mounts break after suspend/resume when running > Linux 3.2.51: > > > [48080.515468] block nbd1: Attempted send on closed socket > > [48080.515473] end_request: I/O error, dev nbd1, sector 91896 > > [48080.515718] block nbd1: Attempted send on closed socket > > [48080.515721] end_request: I/O error, dev nbd1, sector 91896 > > [48080.515752] ------------[ cut here ]------------ > > [48080.515863] kernel BUG at > /build/linux-rrsxby/linux-3.2.51/fs/buffer.c:2917! > > [48080.516010] invalid opcode: 0000 [#1] SMP > > [48080.516176] CPU 0 > > [48080.516188] Modules linked in: snd_usb_audio snd_usbmidi_lib > snd_seq_midi snd_seq_midi_event snd_rawmidi nls_utf8 nls_cp437 vfat fat nbd > cbc ecb vmnet(O) vsock(O) vmci(O) vmmon(O) parport_pc ppdev lp parport > cpufreq_conservative bnep cpufreq_userspace cpufreq_stats cpufreq_powersave > rfcomm 8021q garp stp binfmt_misc uinput nfsd nfs nfs_acl auth_rpcgss > fscache lockd sunrpc loop fuse ecryptfs dm_crypt dm_mod snd_hda_codec_hdmi > snd_hda_codec_conexant pl2303 usbserial arc4 iwlwifi joydev btusb mac80211 > bluetooth snd_hda_intel snd_hda_codec snd_hwdep snd_pcm i915 drm_kms_helper > snd_page_alloc drm iTCO_wdt iTCO_vendor_support snd_seq cfg80211 > snd_seq_device snd_timer snd evdev soundcore i2c_i801 dell_laptop > i2c_algo_bit i2c_core rfkill coretemp acpi_cpufreq mperf video pcspkr > dcdbas psmouse dell_wmi ac serio_raw sparse_keymap processor button battery > power_supply wmi ext4 crc16 jbd2 mbcache usbhid hid ums_realtek usb_storage > sg sr_mod sd_mod cdrom crc_t10dif xhci_hcd crc32c_intel ghash_clmulni_intel > aesni_intel ahci libahci aes_x86_64 thermal thermal_sys libata atl1c > scsi_mod ehci_hcd aes_generic cryptd usbcore usb_common [last unloaded: > scsi_wait_scan] > > [48080.520191] > > [48080.520931] Pid: 7672, comm: make Tainted: G O > 3.2.0-4-amd64 #1 Debian 3.2.51-1 Dell Inc. Dell System Inspiron > N411Z/ > > [48080.521803] RIP: 0010:[<ffffffff8111ccc3>] [<ffffffff8111ccc3>] > submit_bh+0x19/0xff > > [48080.522674] RSP: 0018:ffff88017a5e5a68 EFLAGS: 00010246 > > [48080.523557] RAX: 0000000000040005 RBX: ffff8800c947af68 RCX: > 0000000000000004 > > [48080.524480] RDX: 0000000000000000 RSI: ffff8800c947af68 RDI: > 0000000000000211 > > [48080.525417] RBP: 0000000000000211 R08: 0000000000000200 R09: > ffffffff8168f0a0 > > [48080.526246] R10: ffff880107a798c0 R11: ffff880107a798c0 R12: > ffff8800c919e400 > > [48080.527186] R13: 0000000000000001 R14: 000000000001f381 R15: > 0000000003c94245 > > [48080.528204] FS: 00007fea81a02700(0000) GS:ffff88019fa00000(0000) > knlGS:0000000000000000 > > [48080.529252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [48080.530326] CR2: 00000000019c8000 CR3: 00000001613a1000 CR4: > 00000000000406f0 > > [48080.531435] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > > [48080.532557] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > > [48080.533691] Process make (pid: 7672, threadinfo ffff88017a5e4000, > task ffff8800d066f650) > > [48080.534863] Stack: > > [48080.536040] ffff8800c947af68 0000000000000211 ffff8800c919e400 > ffffffff8111f577 > > [48080.537291] ffff8800d066f650 ffffffff811be4ff ffff8800c947af68 > ffff8800c947af68 > > [48080.538558] ffff88015c1cac00 ffffffffa01c4fcd ffffffffa01e5e1d > ffff88000dd8e840 > > [48080.539848] Call Trace: > > [48080.541140] [<ffffffff8111f577>] ? __sync_dirty_buffer+0x52/0x87 > > [48080.542474] [<ffffffff811be4ff>] ? __percpu_counter_sum+0x44/0x57 > > [48080.543861] [<ffffffffa01c4fcd>] ? ext4_commit_super+0x191/0x1d3 > [ext4] > > [48080.545251] [<ffffffffa01c636e>] ? ext4_error_inode+0x4c/0xef [ext4] > > [48080.546654] [<ffffffffa01b4275>] ? ext4_find_entry+0x1eb/0x298 [ext4] > > [48080.548096] [<ffffffffa01b4350>] ? ext4_lookup+0x2e/0x11c [ext4] > > [48080.549522] [<ffffffff8110b1d3>] ? __d_alloc+0x12c/0x13c > > [48080.550964] [<ffffffff81102709>] ? d_alloc_and_lookup+0x3a/0x60 > > [48080.552429] [<ffffffff811031ad>] ? walk_component+0x219/0x406 > > [48080.553934] [<ffffffff810bdce1>] ? add_page_to_lru_list+0x64/0x64 > > [48080.555443] [<ffffffff81104041>] ? path_lookupat+0x7c/0x2bd > > [48080.556949] [<ffffffff81036628>] ? should_resched+0x5/0x23 > > [48080.558485] [<ffffffff8134deec>] ? _cond_resched+0x7/0x1c > > [48080.560030] [<ffffffff8110429e>] ? do_path_lookup+0x1c/0x87 > > [48080.561541] [<ffffffff81105d27>] ? user_path_at_empty+0x47/0x7b > > [48080.563129] [<ffffffff81352198>] ? do_page_fault+0x30a/0x345 > > [48080.564737] [<ffffffff810fdd7a>] ? vfs_fstatat+0x32/0x60 > > [48080.566340] [<ffffffff810fdeb0>] ? sys_newstat+0x12/0x2b > > [48080.567920] [<ffffffff810fa75e>] ? vfs_write+0xbb/0xe9 > > [48080.569477] [<ffffffff8134f7b5>] ? page_fault+0x25/0x30 > > [48080.571036] [<ffffffff81354212>] ? system_call_fastpath+0x16/0x1b > > [48080.572564] Code: ff b8 01 00 00 00 eb 02 31 c0 5a 5b 5d 41 5c 41 5d > c3 41 54 55 89 fd 53 48 8b 06 48 89 f3 a8 04 75 02 0f 0b 48 8b 06 a8 20 75 > 02 <0f> 0b 48 83 7e 38 00 75 02 0f 0b 48 8b 06 f6 c4 02 74 02 0f 0b > > [48080.575767] RIP [<ffffffff8111ccc3>] submit_bh+0x19/0xff > > [48080.577256] RSP <ffff88017a5e5a68> > > [48080.644282] ---[ end trace c597c77dca040243 ]--- > > This has apparently been fixed later, as in Linux 3.12.9 they keep > working after resume. > > I'm looking to backport the fix, but it's not obvious what that is. > Does anyone know what changes in the nbd kernel driver (or perhaps > elsewhere in the kernel) might have fixed this? > > Ben. > > -- > Ben Hutchings > Absolutum obsoletum. (If it works, it's out of date.) - Stafford Beer > > > ------------------------------------------------------------------------------ > Managing the Performance of Cloud-Based Applications > Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. > Read the Whitepaper. > > http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk > _______________________________________________ > Nbd-general mailing list > nbd-gene...@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nbd-general > >
