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24 个调试补丁、18 次内核启动：Linux 之父托瓦兹借助 AI 定位 Intel Xe 黑屏故障_我的网站

一 |     The Biden administration is drafting a $100 billion foreign aid package that includes assistance for Israel as well as other top security priorities, according to two people familiar with the details.Details on the spending request were still being finalized ahead of an official request sent by the White House to Congress this week.One person told ABC News that the “bulk” of the assistance will likely go toward Ukraine, while others also said that it included $10 billion for Israel. The officials spoke on condition of anonymity in order to discuss details that hadn't been announced yet by the White House.The request comes as President Joe Biden travels to Israel in a show of unity with the Jewish state following the brutal Oct. 7 attack on civilians by Hamas terrorists from Gaza.On Capitol Hill, Senate leaders suggested Tuesday that such a sweeping aid package would find support among lawmakers."We'd like to get the supplemental package moved as quickly as possible because the needs are great in both Israel and Ukraine," said Senate Democratic Leader Chuck Schumer of New York.Republican Leader Mitch McConnell said he would support bundling aid for Ukraine and Israel and that he expects the administration to include money for border security, too."The border part of it needs to be credible, not just some reference to it but a credible deal," he told reporters.Bloomberg was first to report the $100 billion total.The aid proposal for Israel follows extensive discussions between the two countries, with Israel appearing to opt -- at least for now -- against a massive ground invasion of Gaza, even as international groups accuse Israel of worsening a humanitarian crisis by not allowing food or water into Gaza and cutting off electricity.Behind closed doors, Biden officials have grown deeply worried about hardliners within Israel pushing for a scorched-earth military response that wouldn't do enough to prevent civilian casualties, according to a senior administration official who spoke on condition of anonymity. At one point this week, aides believed that only the president himself could convince officials there that allowing humanitarian aid in Gaza would be in their country’s best security interests.When asked about those discussions, White House National Security Council spokesman John Kirby said they’re not telling the Israeli military how to operate and that civilians should be protected. At the same time, following the law of war is critical and something Biden has pressed Israel on, he said.“Since almost the very, very beginning here, we have been talking about how important it is for democracies, like Israel and the United States, to stand up for the law of war, to respect innocent civilian life, unlike Hamas. So this is a foundational element of the discussions that we've had with the Israelis for forever, and we'll continue to do that going forward," Kirby told ABC's "Good Morning America."Following lengthy meetings earlier this week between Secretary of State Antony Blinken and his Israeli counterpart, the two allies seemed to have reached some kind of consensus. Details of the aid package are now circulating among U.S. officials as Biden is en route to the region.Budget experts say Israel’s assistance needs aren’t likely to be urgent due to a 2016 agreement that provides Israel $3.8 billion a year over 10 years. More pressing, they say, is Ukraine, which has run out of long-term funding as it seeks to fend off Russia.Some House Republicans have questioned the need for more U.S. aid to Ukraine. By tying Ukraine and Israeli aid in a single legislative package, the White House would make it harder for GOP hardliners -- who are staunch allies of Israel -- to reject it.Pro-Israeli groups have also called on Biden to include at least $500 million in grant funding for Jewish communities in the U.S. to protect synagogues and other community sites due to threats. It was not immediately clear if that request was part of Biden’s aid package as of Tuesday.ABC's Chief Global Affairs Correspondent Martha Raddatz and ABC reporters Justin Gomez and Shannon Crawford contributed to this report.。

二 |      8 月 26 日消息，科技媒体 Linuxiac 昨日（8 月 25 日）发布博文，报道称 Linux 创始人林纳斯 · 托瓦兹（Linus Torvalds）借助 AI，通过 24 个调试补丁、18 次内核启动，成功排查 Intel Xe  图形驱动中的内存破坏漏洞。

三 | 托瓦兹描述本次排查过程为“地狱般的调试过程”，在其 Intel Battlemage G21（配备 16 GiB VRAM）上 GDM（GNOME 显示管理器）反复重启合成器，屏幕最终保持黑屏。

四 | 附上相关截图如下：该问题出现在 Xe DRM 驱动的 Flat CCS 内存处理环节，根源来自 get_flat_ccs_offset () 函数的地址计算。该函数先计算保留 CCS 存储区的起始位置，再将地址向上对齐到 128 KiB 边界。但随后，低于这个计算地址的全部空间都被 VRAM 分配器当作可用内存。这样一来，合成器首次提交 GPU 任务便失败，GDM 随即重启合成器，系统陷入黑屏。

五 | 托瓦兹表示，最终修复只涉及把错误的 round_up () 改为 round_down ()。不过，定位过程远比修复代码复杂：他累计添加 24 个补丁，用于逐步增加调试信息，并启动内核 18 次，才锁定内存破坏的具体原因。托瓦兹表示在本次调试过程中，AI 承担添加调试代码和分析输出结果等大量重复工作。在调用处理过程中，AI 多次得出该问题无法解决的结论，不过在托瓦兹的多次协调指导下，不断推进让 AI 生成新的调试工具并分析结果，直至定位底层内存破坏。调查结束后，托瓦兹还让 AI 撰写了详细的提交说明。

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Published on:19:40:50