svn commit: r319921 - head/sys/net

[Peter Holm]

On Wed, Jun 14, 2017 at 09:21:30AM -0600, Sean Bruno wrote:
> 
> 
> On 06/14/17 08:46, Peter Holm wrote:
> > On Wed, Jun 14, 2017 at 08:38:36AM -0600, Sean Bruno wrote:
> >>
> >>
> >> On 06/14/17 03:17, Peter Holm wrote:
> >>> On Tue, Jun 13, 2017 at 11:16:39PM +0000, Sean Bruno wrote:
> >>>> Author: sbruno
> >>>> Date: Tue Jun 13 23:16:38 2017
> >>>> New Revision: 319921
> >>>> URL: https://svnweb.freebsd.org/changeset/base/319921
> >>>>
> >>>> Log:
> >>>>   Add new sysctl to allow changing of timing of the txq timers.
> >>>>   
> >>>>   Add new sysctl to override use of busdma in the driver.
> >>>>   
> >>>>   Submitted by:	Drew Gallitin <gallatin at netflix.com>
> >>>>
> >>>> Modified:
> >>>>   head/sys/net/iflib.c
> >>>>
> >>>> Modified: head/sys/net/iflib.c
> >>>> ==============================================================================
> >>>> --- head/sys/net/iflib.c	Tue Jun 13 22:57:57 2017	(r319920)
> >>>
> >>> Could this be yours?
> >>>
> >>> panic: Assertion ifsd_m[next] == NULL failed at ../../../net/iflib.c:2927
> >>> cpuid = 12
> >>> time = 1497431647
> >>> KDB: stack backtrace:
> >>> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe104fa993d0
> >>> vpanic() at vpanic+0x19c/frame 0xfffffe104fa99450
> >>> kassert_panic() at kassert_panic+0x126/frame 0xfffffe104fa994c0
> >>> iflib_txq_drain() at iflib_txq_drain+0xdf0/frame 0xfffffe104fa99640
> >>> drain_ring_lockless() at drain_ring_lockless+0xc0/frame 0xfffffe104fa996a0
> >>> ifmp_ring_enqueue() at ifmp_ring_enqueue+0x32e/frame 0xfffffe104fa99710
> >>> iflib_if_transmit() at iflib_if_transmit+0xb0/frame 0xfffffe104fa99750
> >>> ether_output() at ether_output+0x750/frame 0xfffffe104fa997f0
> >>> ip_output() at ip_output+0x14c3/frame 0xfffffe104fa99930
> >>> tcp_output() at tcp_output+0xf8c/frame 0xfffffe104fa99ad0
> >>> tcp_usr_send() at tcp_usr_send+0x3bd/frame 0xfffffe104fa99b40
> >>> sosend_generic() at sosend_generic+0x3ba/frame 0xfffffe104fa99bf0
> >>> clnt_vc_call() at clnt_vc_call+0x4b8/frame 0xfffffe104fa99d40
> >>> clnt_reconnect_call() at clnt_reconnect_call+0xe8/frame 0xfffffe104fa99de0
> >>> newnfs_request() at newnfs_request+0x1092/frame 0xfffffe104fa99f60
> >>> nfscl_request() at nfscl_request+0x5b/frame 0xfffffe104fa99fb0
> >>> nfsrpc_lookup() at nfsrpc_lookup+0x211/frame 0xfffffe104fa9a120
> >>> nfs_lookup() at nfs_lookup+0x463/frame 0xfffffe104fa9a460
> >>> VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0xfe/frame 0xfffffe104fa9a490
> >>> lookup() at lookup+0x6e2/frame 0xfffffe104fa9a530
> >>> namei() at namei+0x534/frame 0xfffffe104fa9a5f0
> >>> kern_statat() at kern_statat+0x9b/frame 0xfffffe104fa9a800
> >>> freebsd11_lstat() at freebsd11_lstat+0x33/frame 0xfffffe104fa9a980
> >>> amd64_syscall() at amd64_syscall+0x564/frame 0xfffffe104fa9aab0
> >>> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe104fa9aab0
> >>> --- syscall (190, FreeBSD ELF64, freebsd11_lstat), rip = 0x800910c7a, rsp = 0x7fffffffaed8, rbp = 0x7fffffffaf00 --
> >>>
> >>> - Peter
> >>>
> >>>
> >>
> >>
> >> Is this new of this morning (after I committed updates yesterday)?
> >>
> >> sean
> >>
> > 
> > It's with r319940M. I'm now using r319919 without this issue.
> > 
> > Here's the full boot log: https://people.freebsd.org/~pho/iflib.txt
> > 
> > - Peter
> > 
> 
> 
> Did you have to run any tests or anything to get this to happen?
> 

It varied slightly when I could get the panic. The one in the log was
from just booting:

Starting sshd.
Starting sendmail_submit.
Starting sendmail_msp_queue.
Starting cron.
Local package initialization:Jun 14 11:14:05 t1 ntpd[771]: leapsecond file ('/var/db/ntpd.leap-seconds.list'): expired less than 14 days ago
panic: Assertion ifsd_m[next] == NULL failed at ../../../net/iflib.c:2927

- Peter