svn commit: r319921 - head/sys/net

[Sean Bruno]

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?

sean

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