On Fri, Oct 30, 2009 at 1:33 PM, Hal Rosenstock
<[email protected]> wrote:
> On Fri, Oct 30, 2009 at 1:26 PM, Ira Weiny <[email protected]> wrote:
>> This patch causes this assert again...
>>
>> OpenSM $ opensm: osm_mcast_tbl.c:104: osm_mcast_tbl_set: Assertion `mlid_ho 
>> <= p_tbl->max_mlid_ho' failed.
>> Aborted (core dumped)
>>
>> I thought the -1 was required...
>
> I didn't mean to change that..

I didn't change that. The -1 was eliminated by commit
52a1ce536a9054273c427ef0edd15a657beaa735

There's something else in terms of this patch which needs changing.
I'll run with the asserts to see...

-- Hal

>
>>
>> diff --git a/opensm/opensm/osm_mcast_tbl.c b/opensm/opensm/osm_mcast_tbl.c
>> index da106c6..67f083e 100644
>> --- a/opensm/opensm/osm_mcast_tbl.c
>> +++ b/opensm/opensm/osm_mcast_tbl.c
>> @@ -144,7 +144,7 @@ int osm_mcast_tbl_realloc(IN osm_mcast_tbl_t * p_tbl, IN 
>> uintn_t mlid_offset)
>>               size - p_tbl->mft_depth * (IB_MCAST_POSITION_MAX + 1) * 
>> IB_MCAST_MASK_SIZE / 8);
>>        p_tbl->p_mask_tbl = p_mask_tbl;
>>        p_tbl->mft_depth = mft_depth;
>> -       p_tbl->max_mlid_ho = mlid_offset + IB_LID_MCAST_START_HO;
>> +       p_tbl->max_mlid_ho = mlid_offset + IB_LID_MCAST_START_HO - 1;
>>        return 0;
>>  }
>>
>> But this did not fix it...  I would dig further but I am kind of busy today, 
>> sorry.
>>
>> Ira
>>
>>
>> On Fri, 30 Oct 2009 09:49:19 -0500
>> Hal Rosenstock <[email protected]> wrote:
>>
>>>
>>> Revert de3171043b3cbe078e410351a00e5756509bd514 and
>>> some of 537d67b19a4b72d72341e529f611e4e30754f8fc
>>>
>>> In osm_mcast_tbl_realloc, don't change max_mlid_ho when mlid_offset < 
>>> p_tbl->mft_depth
>>> Also, restore some checks when mlid_offset >= p_tbl->mft_depth
>>> These changes are needed for proper group removal
>>>
>>> Signed-off-by: Hal Rosenstock <[email protected]>
>>> ---
>>> diff --git a/opensm/opensm/osm_mcast_tbl.c b/opensm/opensm/osm_mcast_tbl.c
>>> index 0a45904..da106c6 100644
>>> --- a/opensm/opensm/osm_mcast_tbl.c
>>> +++ b/opensm/opensm/osm_mcast_tbl.c
>>> @@ -122,7 +122,7 @@ int osm_mcast_tbl_realloc(IN osm_mcast_tbl_t * p_tbl, 
>>> IN uintn_t mlid_offset)
>>>       uint16_t (*p_mask_tbl)[][IB_MCAST_POSITION_MAX];
>>>
>>>       if (mlid_offset < p_tbl->mft_depth)
>>> -             goto done;
>>> +             return 0;
>>>
>>>       /*
>>>          The number of bytes needed in the mask table is:
>>> @@ -144,7 +144,6 @@ int osm_mcast_tbl_realloc(IN osm_mcast_tbl_t * p_tbl, 
>>> IN uintn_t mlid_offset)
>>>              size - p_tbl->mft_depth * (IB_MCAST_POSITION_MAX + 1) * 
>>> IB_MCAST_MASK_SIZE / 8);
>>>       p_tbl->p_mask_tbl = p_mask_tbl;
>>>       p_tbl->mft_depth = mft_depth;
>>> -done:
>>>       p_tbl->max_mlid_ho = mlid_offset + IB_LID_MCAST_START_HO;
>>>       return 0;
>>>  }
>>> @@ -167,6 +166,9 @@ boolean_t osm_mcast_tbl_is_port(IN const 
>>> osm_mcast_tbl_t * p_tbl,
>>>               CL_ASSERT(mlid_ho <= p_tbl->max_mlid_ho);
>>>
>>>               mlid_offset = mlid_ho - IB_LID_MCAST_START_HO;
>>> +             if (mlid_offset >= p_tbl->mft_depth)
>>> +                     return FALSE;
>>> +
>>>               mask_offset = port_num / IB_MCAST_MASK_SIZE;
>>>               bit_mask = cl_ntoh16((uint16_t)
>>>                                    (1 << (port_num % IB_MCAST_MASK_SIZE)));
>>> @@ -194,6 +196,8 @@ boolean_t osm_mcast_tbl_is_any_port(IN const 
>>> osm_mcast_tbl_t * p_tbl,
>>>               CL_ASSERT(mlid_ho <= p_tbl->max_mlid_ho);
>>>
>>>               mlid_offset = mlid_ho - IB_LID_MCAST_START_HO;
>>> +             if (mlid_offset >= p_tbl->mft_depth)
>>> +                     return FALSE;
>>>
>>>               for (position = 0; position <= p_tbl->max_position; 
>>> position++)
>>>                       result |= (*p_tbl->p_mask_tbl)[mlid_offset][position];
>>> @@ -247,6 +251,8 @@ void osm_mcast_tbl_clear_mlid(IN osm_mcast_tbl_t * 
>>> p_tbl, IN uint16_t mlid_ho)
>>>
>>>       if (p_tbl->p_mask_tbl && mlid_ho <= p_tbl->max_mlid_ho) {
>>>               mlid_offset = mlid_ho - IB_LID_MCAST_START_HO;
>>> +             if (mlid_offset >= p_tbl->mft_depth)
>>> +                     return;
>>>               for (i = 0; i <= p_tbl->max_position; i++)
>>>                       (*p_tbl->p_mask_tbl)[mlid_offset][i] = 0;
>>>       }
>>> --
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>>
>>
>> --
>> Ira Weiny
>> Math Programmer/Computer Scientist
>> Lawrence Livermore National Lab
>> 925-423-8008
>> [email protected]
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
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>>
>
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