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.. New version shortly...

>
> 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]
> --
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