This one:
commit d4091899c9bbf (“tipc: hold subscriber->lock for 
tipc_nametbl_subscribe()”)
It was applied already in 4.5.

///jon

> -----Original Message-----
> From: Rune Torgersen [mailto:[email protected]]
> Sent: Monday, December 04, 2017 15:12
> To: Rune Torgersen <[email protected]>; Jon Maloy
> <[email protected]>
> Cc: Hoang Huu Le <[email protected]>; tipc-
> [email protected]; Mohan Krishna Ghanta Krishnamurthy
> <[email protected]>
> Subject: RE: [tipc-discussion] FW: Kernel crash
> 
> What excact patch am I looking for? I'd like to see if it is in the 4.10 
> ubuntu
> kernel or not.
> 
> -----Original Message-----
> From: Rune Torgersen [mailto:[email protected]]
> Sent: Monday, December 4, 2017 13:54
> To: Jon Maloy <[email protected]>
> Cc: Hoang Huu Le <[email protected]>; tipc-
> [email protected]; Mohan Krishna Ghanta Krishnamurthy
> <[email protected]>
> Subject: Re: [tipc-discussion] FW: Kernel crash
> 
> I can understand that.
> 
> I only see this issue on a 2-3 systems, and I can probably hand- upgrade them
> to the correct version fairly easily.
> I could not find a *-hwe upgrade package for ubuntu 16.04 to bring it to 4.13
> or later. There is one to use the 4.10 kernel.
> 
> Other issue is that we have 70+ systems in the field that could potentially 
> see
> this, and putting all of them on custom kernels is going to be a support
> nightmare.
> 
> I do see that 4.13 kernel is expected in Feb'18, and 4.15 in Aug'18
> (https://wiki.ubuntu.com/Kernel/RollingLTSEnablementStack)
> 
> I think I can live with that.
> 
> 
> -----Original Message-----
> From: Jon Maloy [mailto:[email protected]]
> Sent: Monday, December 4, 2017 13:20
> To: Rune Torgersen <[email protected]>
> Cc: Ying Xue <[email protected]>; tipc-
> [email protected]; Hoang Huu Le
> <[email protected]>; Mohan Krishna Ghanta Krishnamurthy
> <[email protected]>
> Subject: RE: [tipc-discussion] FW: Kernel crash
> 
> Hi Rune,
> I tried to apply the patch in question on 4.4, but it failed miserably. There 
> has
> simply been too many changes in between.
> I feel uncomfortable with trying to backport this, especially since it is not 
> my
> code, so I prefer to leave it like this unless you really insist.
> 
> BR
> ///jon
> 
> > -----Original Message-----
> > From: Rune Torgersen [mailto:[email protected]]
> > Sent: Monday, December 04, 2017 09:48
> > To: Rune Torgersen <[email protected]>; Jon Maloy
> > <[email protected]>
> > Cc: Ying Xue <[email protected]>; tipc-
> > [email protected]; Hoang Huu Le
> > <[email protected]>; Mohan Krishna Ghanta Krishnamurthy
> > <[email protected]>
> > Subject: RE: [tipc-discussion] FW: Kernel crash
> >
> > Have been running 4.13.0-041300-generic since Thursday, and so far has
> > not seen the crash again (before I got it updated it was happening
> > about once a day).
> >
> > -----Original Message-----
> > From: Rune Torgersen [mailto:[email protected]]
> > Sent: Thursday, November 30, 2017 12:10
> > To: Jon Maloy <[email protected]>
> > Cc: Ying Xue <[email protected]>; tipc-
> > [email protected]; Hoang Huu Le
> > <[email protected]>; Mohan Krishna Ghanta Krishnamurthy
> > <[email protected]>
> > Subject: Re: [tipc-discussion] FW: Kernel crash
> >
> > I can install 4.13 on the particular server I have problems with.
> > Longterm it would be nice to get the fix backported to 4.4.
> >
> > -----Original Message-----
> > From: Jon Maloy [mailto:[email protected]]
> > Sent: Thursday, November 30, 2017 09:16
> > To: Rune Torgersen <[email protected]>
> > Cc: Hoang Huu Le <[email protected]>; tipc-
> > [email protected]; Ying Xue <[email protected]>;
> > Mohan Krishna Ghanta Krishnamurthy
> > <[email protected]>
> > Subject: RE: [tipc-discussion] FW: Kernel crash
> >
> >
> >
> > > -----Original Message-----
> > > From: Rune Torgersen [mailto:[email protected]]
> > > Sent: Thursday, November 30, 2017 09:43
> > > To: Rune Torgersen <[email protected]>; Jon Maloy
> > > <[email protected]>
> > > Cc: Hoang Huu Le <[email protected]>; tipc-
> > > [email protected]; Ying Xue <[email protected]>;
> > > Mohan Krishna Ghanta Krishnamurthy
> > > <[email protected]>
> > > Subject: RE: [tipc-discussion] FW: Kernel crash
> > >
> > > I cannot seem to find that specific commit (even in the latest
> > > official kernel git).
> > > I was trying to see if it was in any of the newer Ubuntu kernels
> > > (4.10 or
> > 4.13)
> > > as it would be easier to install one of those that to try to recompile I
> myself.
> >
> > If that is an option for you things would be much easier. I would try
> > 4.13 or maybe even 4.14.
> > The latter contains all the latest bug fixes, but also some new 
> > functionality.
> >
> > ///jon
> >
> > >
> > > -----Original Message-----
> > > From: Rune Torgersen [mailto:[email protected]]
> > > Sent: Thursday, November 30, 2017 08:14
> > > To: Jon Maloy <[email protected]>
> > > Cc: Hoang Huu Le <[email protected]>; tipc-
> > > [email protected]; Ying Xue <[email protected]>;
> > > Mohan Krishna Ghanta Krishnamurthy
> > > <[email protected]>
> > > Subject: Re: [tipc-discussion] FW: Kernel crash
> > >
> > > We tend to use stock kernel as much as possible, but I’ll try to see
> > > if I can compile the tipc module for the specific system we see this
> > > on the most
> > and
> > > see if it helps.
> > >
> > > From: Jon Maloy [mailto:[email protected]]
> > > Sent: Wednesday, November 29, 2017 16:43
> > > To: Rune Torgersen <[email protected]>
> > > Cc: [email protected]; Mohan Krishna Ghanta
> > > Krishnamurthy <[email protected]>;
> > Canh
> > > Duc Luu <[email protected]>; Hoang Huu Le
> > > <[email protected]>; Ying Xue <[email protected]>;
> > Tung
> > > Quang Nguyen <[email protected]>
> > > Subject: RE: [tipc-discussion] FW: Kernel crash
> > >
> > > Hi Rune,
> > > I can at least ack the reception now. It seems like most of our
> > > tipc-
> > discussion
> > > subscribers, (including myself, the project owner), were
> > > automatically removed from the lists at some recent moment. Another
> > > screw-up by SF…
> > >
> > > As far as I can see, you are missing the following:
> > > commit d4091899c9bbf (“tipc: hold subscriber->lock for
> > > tipc_nametbl_subscribe()”)
> > >
> > > This was delivered to 4.5, but doesn’t seem to ever have made it into 4.4.
> > > I am surprised, because you seem to have reported exactly the same
> > > issue on March 22d last year, and I believed it was fixed.
> > >
> > > Do you apply patches yourself, so you could try this one? If it
> > > solves the
> > issue
> > > and applies cleanly I could post it to stable_4.4.
> > >
> > > BR
> > > ///jon
> > >
> > >
> > > From: Jon Maloy [mailto:[email protected]]
> > > Sent: Wednesday, November 29, 2017 15:42
> > > To: Jon Maloy
> > <[email protected]<mailto:[email protected]>>
> > > Subject: Tr : [tipc-discussion] FW: Kernel crash
> > >
> > >
> > >
> > > ----- Courriel transféré -----
> > > De : Rune Torgersen
> > <[email protected]<mailto:[email protected]>>
> > > À : "[email protected]<mailto:tipc-
> > > [email protected]>" <tipc-
> > > [email protected]<mailto:tipc-
> > > [email protected]>>
> > > Envoyé le : mercredi 29 novembre 2017 9h06 Objet : [tipc-discussion] FW:
> > > Kernel crash
> > >
> > > (Resending as I think it got lost somewhere).
> > >
> > > A bug that I thought had been fixed is rearing its ugly head again
> > > in latest Ubuntu 16.04 LTS kernel (4.4.0-97) It is happening to me
> > > quite frequently
> > (2-3
> > > times a week).
> > >
> > > The application where this happens uses lots of short lived sockets,
> > > and
> > also
> > > lots of short-lived connections to the topology server.
> > >
> > > [151611.149711] BUG: unable to handle kernel NULL pointer
> > > dereference at
> > > 0000000000000028 [151611.149946] IP: [<ffffffffc046a0a2>]
> > > tipc_nametbl_unsubscribe+0x72/0x100 [tipc] [151611.150069] PGD 0
> > > [151611.150104] Oops: 0002 [#1] SMP [151611.150160] Modules linked in:
> > tipc
> > > ip6_udp_tunnel udp_tunnel intel_powerclamp coretemp kvm_intel
> > gpio_ich
> > > input_leds joydev kvm irqbypass i7core_edac edac_core serio_raw
> > > lpc_ich shpchp hpilo 8250_fintek ipmi_ssif acpi_power_meter mac_hid
> > > lp parport ipmi_watchdog ipmi_si ipmi_devintf ipmi_msghandler
> > > autofs4 raid10
> > raid456
> > > async_raid6_recov async_memcpy async_pq async_xor async_tx xor
> > > raid6_pq libcrc32c raid1 raid0 multipath linear amdkfd amd_iommu_v2
> > > radeon hid_generic i2c_algo_bit ttm drm_kms_helper syscopyarea
> > sysfillrect
> > > psmouse sysimgblt fb_sys_fops usbhid drm hid pata_acpi bnx2 hpsa
> > > netxen_nic scsi_transport_sas fjes
> > > [151611.151291] CPU: 1 PID: 14873 Comm: kworker/u64:2 Tainted: G          
> > > I
> > > 4.4.0-97-generic #120-Ubuntu
> > > [151611.151429] Hardware name: HP ProLiant DL360 G6, BIOS P64
> > 05/15/2010
> > > [151611.151547] Workqueue: tipc_rcv tipc_recv_work [tipc]
> > [151611.151631]
> > > task: ffff880213c98cc0 ti: ffff8802131b8000 task.ti:
> > > ffff8802131b8000 [151611.151740] RIP: 0010:[<ffffffffc046a0a2>]
> > > [<ffffffffc046a0a2>]
> > > tipc_nametbl_unsubscribe+0x72/0x100 [tipc] [151611.151889] RSP:
> > > 0018:ffff88021f443e10  EFLAGS: 00010246 [151611.151967] RAX:
> > > ffff880213d87f80 RBX: ffff880213d87f00 RCX: 0000000000000020
> > > [151611.152071] RDX: 000000000000000e RSI: 0000000000000067 RDI:
> > > ffff8802101a9638 [151611.152176] RBP: ffff88021f443e30 R08:
> > > ffff88021f45a0c0 R09: ffff880217003b00 [151611.152280] R10:
> > > ffff8800da043f40 R11: ffff880213c98d20 R12: ffff8802101a9600
> > > [151611.152385] R13: ffff8800d9fa9120 R14: ffff8802101a9638 R15:
> > > ffff880213d87f00 [151611.152490] FS:  0000000000000000(0000)
> > > GS:ffff88021f440000(0000) knlGS:0000000000000000 [151611.152631] CS:
> > > 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [151611.152730] CR2:
> > > 0000000000000028 CR3: 0000000001e0a000 CR4: 00000000000006e0
> > > [151611.152835] Stack:
> > > [151611.152865]  ffff880213d87f00 ffff8800d9fa8000 ffff880213c499c8
> > > ffffffffc0468ed0 [151611.152989]  ffff88021f443e50 ffffffffc04688bf
> > > ffff880213d87f00 ffff880213c499c0 [151611.153113]  ffff88021f443e78
> > > ffffffffc0468f15 ffff88021f44ddc0 ffff880213d87f30 [151611.153237]
> > > Call
> > Trace:
> > > [151611.153275]  <IRQ>
> > > [151611.153311]  [<ffffffffc0468ed0>] ?
> > > tipc_subscrb_shutdown_cb+0xc0/0xc0 [tipc] [151611.153422]
> > > [<ffffffffc04688bf>] tipc_subscrp_delete+0x2f/0x80 [tipc]
> > > [151611.153523] [<ffffffffc0468f15>] tipc_subscrp_timeout+0x45/0x70
> > > [tipc]
> > [151611.153624]
> > > [<ffffffff810ecfc5>] call_timer_fn+0x35/0x120 [151611.153735]
> > > [<ffffffffc0468ed0>] ? tipc_subscrb_shutdown_cb+0xc0/0xc0 [tipc]
> > > [151611.153846]  [<ffffffff810ed97a>] run_timer_softirq+0x23a/0x2f0
> > > [151611.153936]  [<ffffffff81085dc1>] __do_softirq+0x101/0x290
> > > [151611.154017]  [<ffffffff810860c3>] irq_exit+0xa3/0xb0
> > > [151611.154091] [<ffffffff818462a2>]
> > > smp_apic_timer_interrupt+0x42/0x50
> > > [151611.154185]  [<ffffffff81844562>] apic_timer_interrupt+0x82/0x90
> > > [151611.154272]  <EOI> [151611.154305]  [<ffffffff81843225>] ?
> > > _raw_spin_unlock_irqrestore+0x15/0x20
> > > [151611.154407]  [<ffffffff810eefef>] mod_timer+0x10f/0x240
> > > [151611.154489]  [<ffffffffc0468be0>]
> > > tipc_subscrb_rcv_cb+0x1c0/0x390 [tipc] [151611.154591]
> > > [<ffffffffc04755e2>]
> > > tipc_receive_from_sock+0xc2/0x120 [tipc] [151611.154695]
> > > [<ffffffffc047526b>] tipc_recv_work+0x2b/0x60 [tipc] [151611.154809]
> > > [<ffffffff8109a635>] process_one_work+0x165/0x480 [151611.159008]
> > > [<ffffffff8109a99b>] worker_thread+0x4b/0x4c0 [151611.163372]
> > > [<ffffffff8109a950>] ? process_one_work+0x480/0x480 [151611.167622]
> > > [<ffffffff810a0c75>] kthread+0xe5/0x100 [151611.171755]
> > > [<ffffffff810a0b90>] ? kthread_create_on_node+0x1e0/0x1e0
> > > [151611.175858]  [<ffffffff81843b8f>] ret_from_fork+0x3f/0x70
> > > [151611.179999]  [<ffffffff810a0b90>] ?
> > > kthread_create_on_node+0x1e0/0x1e0
> > > [151611.184004] Code: ff ff 48 85 c0 74 56 4c 8d 70 38 49 89 c4 4c
> > > 89 f7 e8 43
> > 92
> > > 3d c1 48 8b 8b 80 00 00 00 48 8b 93 88 00 00 00 48 8d 83 80 00 00 00
> > > <48> 89 51
> > > 08 48 89 0a 48 89 83 80 00 00 00 48 89 83 88 00 00 00
> > > [151611.192678] RIP [<ffffffffc046a0a2>]
> > > tipc_nametbl_unsubscribe+0x72/0x100 [tipc] [151611.196733]  RSP
> <ffff88021f443e10> [151611.200739] CR2:
> > > 0000000000000028
> > >
> > >
> > > --------------------------------------------------------------------
> > > ---------- Check out the vibrant tech community on one of the
> > > world's most engaging tech sites, Slashdot.org!
> > > http://sdm.link/slashdot
> > > _______________________________________________
> > > tipc-discussion mailing list
> > > [email protected]<mailto:tipc-
> > > [email protected]>
> > > https://lists.sourceforge.net/lists/listinfo/tipc-discussion
> > >
> > > --------------------------------------------------------------------
> > > ---------- Check out the vibrant tech community on one of the
> > > world's most engaging tech sites, Slashdot.org!
> > > http://sdm.link/slashdot
> > > _______________________________________________
> > > tipc-discussion mailing list
> > > [email protected]
> > > https://lists.sourceforge.net/lists/listinfo/tipc-discussion
> > ----------------------------------------------------------------------
> > -------- Check out the vibrant tech community on one of the world's
> > most engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> > _______________________________________________
> > tipc-discussion mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/tipc-discussion
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most engaging
> tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________
> tipc-discussion mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/tipc-discussion
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
tipc-discussion mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/tipc-discussion

Reply via email to