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[问答]

write_bitstream日志出现错误

嗨,
由于write_bitstream日志中出现以下错误,我无法为Viviado 2016.2的VCU110评估板生成比特流:
....
加载数据文件...加载站点数据...加载路径数据...处理选项...创建位图...错误:[Designutils 20-1756]磁贴中的VEAM异常LAGUNA_TILE_X51Y618:冲突值'SRLOW'!='
在veamRef'Ilag_laguna_core_X0Y0_R0 / Itop / genblk1 [0] .Ilagsite / Ireg6'的attr'TXFF_SR'的SRHIGH'
之后,write_bitstream进程永远不会停止。
看来这种行为是随机的。
在设计中更改其他一些内容时,write_bitstream步骤成功完成。
此错误消息的原因是什么?
谢谢。

以上来自于谷歌翻译


以下为原文

Hi,

i can't generate a bitstream for the VCU110 evaluation board with Viviado 2016.2 because of the following error during the write_bitstream log:

....
Loading data files...
Loading site data...
Loading route data...
Processing options...
Creating bitmap...
ERROR: [Designutils 20-1756] VEAM exception in tile LAGUNA_TILE_X51Y618: Conflicting values 'SRLOW' != 'SRHIGH' for attr 'TXFF_SR' in veamRef 'Ilag_laguna_core_X0Y0_R0/Itop/genblk1[0].Ilagsite/Ireg6'

After that the write_bitstream process never stops. It seems that this behaviour is random. When change some other things in the design the write_bitstream step completes successfully.

What is the cause of this error message?


Thank's.

回帖(4)

石俊梅

2018-10-26 15:14:47
喜@ VOCO  - 曼海姆
这看起来像一个错误,你可以共享路由检查点供我们调试吗?
谢谢,迪皮卡.----------------------------------------------
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Hi @voco-mannheim
 
This looks like a bug, can you share the post route checkpoint for us to debug?
Thanks,
Deepika.
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杜永强

2018-10-26 15:24:36
嗨Deepika,
感谢您的回复。
随附的是路线后检查站。
是否有临时解决方法来避免此问题?
谢谢。
hmc_test_top_routed.dcp 5490 KB

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以下为原文

Hi Deepika,
 
thank's for your reply. Attached is the post route checkpoint.
 
Is there a temporary workaround to avoid this issue?
 
 
Thanks.
            hmc_test_top_routed.dcp ‏5490 KB
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石俊梅

2018-10-26 15:35:00
喜@ VOCO  - 曼海姆
由于共享连接,LAGUNA磁贴中的TX触发器BEL应具有相同的SRVAL和FFINIT属性。
在您的设计中,具有不同SRVAL和FFINIT属性的触发器被放置在相同的区块中,因此出现错误。
以下是LAGUNA_TILE_X51Y618 tile中具有SRHIGH和INIT1的触发器,此块中的其他触发器具有SRLOW和INIT0。
如果将这些触发器移动到切片或不同的LAGUNA站点,则不会出现此问题。
lan_modul_inst1 / LAN_IP_INST1 / LAN_SGMII_GMII_INST1 / sgmii_gmii_bridge_i / U0 / pcs_pma_block_i / lvds_transceiver_mw / serdes_1_to_10_ser8_i / bt_val_rawa_reg [6]
lan_modul_inst1 / LAN_IP_INST1 / LAN_SGMII_GMII_INST1 / sgmii_gmii_bridge_i / U0 / pcs_pma_block_i / lvds_transceiver_mw / serdes_1_to_10_ser8_i / bt_val_rawa_reg [4]
您可以在已实现的设计中取消放置和放置/路由这些触发器。
您可以在传递设计中检查这些触发器的位置,并在失败的设计中使用相同的触发器。
FYI ..我们工厂知道这个问题,并计划为此发出DRC错误。
谢谢,迪皮卡.----------------------------------------------
---------------------------------------------- Google之前的问题
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以上来自于谷歌翻译


以下为原文

Hi @voco-mannheim
 
The TX flop BELs in a LAGUNA tile should have same SRVAL and FFINIT properties due to shared connectivity. In your design flops with different SRVAL and FFINIT properties are placed in same tile hence the error.
 
Below are the flops in LAGUNA_TILE_X51Y618 tile which have SRHIGH and INIT1, other flops in this tile have SRLOW and INIT0. If these flops are moved to slice or to a different LAGUNA site then this issue will not be seen.
 
lan_modul_inst1/LAN_IP_INST1/LAN_SGMII_GMII_INST1/sgmii_gmii_bridge_i/U0/pcs_pma_block_i/lvds_transceiver_mw/serdes_1_to_10_ser8_i/bt_val_rawa_reg[6]
 
lan_modul_inst1/LAN_IP_INST1/LAN_SGMII_GMII_INST1/sgmii_gmii_bridge_i/U0/pcs_pma_block_i/lvds_transceiver_mw/serdes_1_to_10_ser8_i/bt_val_rawa_reg[4]
 
You can unplace and place/route these flops in implemented design. You can checkout the placement of these flops in passing design and use the same in failing design.
 
FYI..our factory is aware of this issue and is planning to issue an DRC error for this.
Thanks,
Deepika.
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石俊梅

2018-10-26 15:50:47
喜@ VOCO  - 曼海姆
那帮了吗?
仅供参考。我已提交CR 961465以改进write_bitstream中的消息传递。
谢谢,迪皮卡.----------------------------------------------
---------------------------------------------- Google之前的问题
张贴。
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以上来自于谷歌翻译


以下为原文

Hi @voco-mannheim
 
Did that help?
 
FYI..I had filed CR 961465 to improve the messaging in write_bitstream.
Thanks,
Deepika.
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