Kernel panic with fresh current, probably nfs related

[Sean Bruno]

On 08/29/15 00:38, Joel Dahl wrote:
> On Tue, Aug 25, 2015 at 12:55:02PM -0700, Sean Bruno wrote:
>>
>>
>> On 08/25/15 12:10, Joel Dahl wrote:
>>>>> Seems to work. However, I cannot reproduce the user panic in the first
>>>>> place.  What's the scenario that seems to work here?  NFS seems happy
>>>>> with/without the patch so I'm not confident in anything we are doing her
>>>>> e.
>>> I see several patches here. Which one should I be using?
>>
>> This:
>>
>> Index: sys/dev/e1000/if_em.c
>> ===================================================================
>> --- sys/dev/e1000/if_em.c	(revision 287087)
>> +++ sys/dev/e1000/if_em.c	(working copy)
>> @@ -3044,7 +3044,7 @@ em_setup_interface(device_t dev, struct adapter *a
>>  	if_setioctlfn(ifp, em_ioctl);
>>  	if_setgetcounterfn(ifp, em_get_counter);
>>  	/* TSO parameters */
>> -	ifp->if_hw_tsomax = EM_TSO_SIZE;
>> +	ifp->if_hw_tsomax = IP_MAXPACKET;
>>  	ifp->if_hw_tsomaxsegcount = EM_MAX_SCATTER;
>>  	ifp->if_hw_tsomaxsegsize = EM_TSO_SEG_SIZE;
> 
> Using this patch, my nfs server has survived several
> installkernel/installworld cycles.
> 


Committed as svn R287330

sean