[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: XenVif div by zero on Tx path after resume.
- To: "paul@xxxxxxx" <paul@xxxxxxx>, "win-pv-devel@xxxxxxxxxxxxxxxxxxxx" <win-pv-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Martin Harvey <martin.harvey@xxxxxxxxxx>
- Date: Mon, 25 Apr 2022 09:20:43 +0000
- Accept-language: en-US
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=citrix.com; dmarc=pass action=none header.from=citrix.com; dkim=pass header.d=citrix.com; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=TK5kC0ei9wDaXYgCrow8G841V7Mru+/gWz4bMu/RTo4=; b=cTSeaRvq5BnzGyzAW2dpHxUFnJlMXJDNwrBSTuWCzcVgrWzycup31H+gzvZPmHhxdLAncqdXLcyPOjnGhtrdWFagQvcji9HDy9Wj/770OqAB8pSzBAWfOz6IjzKD/MMUTikhQRImpNvSgBjirR+fAWnXH6wId5vN1LdPO6jq+2sih5x8WjU+AOhg4jHGd2xiJUSJMVV4qVSA9cUng0hQYXEdVfiZhOBkvHeyossHRQmpikX4rzCWTk+JXFq0dNYWmSPirPT1XUzBZa0u7ryb0vhoefYFmoWY/t0APnc5QzmUCVQ3QWwbssf2m9IWZ3CiGtcm0i+VrePdYrm0QbPmfQ==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=WoRttRwrlcXXis9nEcqG8tbwKSTMU7mIg2Fq9gPVpFCTMCAuTLhVcB2767WUTRqIv0qbzCy6bYyPECNHl2sKMgPpTUr6c5j+9l3Yb314znxgXCJw1UufHtcoXeaKe2e3DnG55D6XFCy281LL+H+fNWY9oWd6JeynBKVMeli5Cb6AVoFR8tl1q0iA0Gy3lE84MVw37E3tozn5vCYfprvNlmJ5471GwhSTcXkJcWM6/XSSTbp5VF5OnR96qXMo5fE6mLoZF/hSCw4gL6GDWUpYJn9ZTdaxkrTTHz7ZpO5f+jEvBbhlgVEpT/Sjd2f2nUPIIxKVXdUEjpTK8qoj/ji6bA==
- Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=citrix.com;
- Delivery-date: Mon, 25 Apr 2022 09:20:51 +0000
- Ironport-data: A9a23:ybCh86g+uqn0RrXtPSUHAtKxX161AhEKZh0ujC45NGQN5FlHY01je htvWj2ObveOZmX2eIsjYdi/8UtVsZKDmtBnG1RqriEwESsb9cadCdqndUqhZCn6wu8v7a5EA 2fyTvGacajYm1eF/k/F3oDJ9CU6jefSLlbFILas1hpZHGeIcw98z0M78wIFqtQw24LhX1nR4 YmaT/D3YzdJ5RYlagr41IrbwP9flKyaVOQw5wFWiVhj5TcyplFNZH4tDfjZw0jQG+G4KtWSV efbpIxVy0uCl/sb5nFJpZ6gGqECaua60QFjERO6UYD66vRJjnRaPqrWqJPwwKqY4tmEt4kZ9 TlDiXC/YQsSE7SSnKdBaj97KjtPDY5J+Y/kA3fq5KR/z2WeG5ft69NHKRlqeKgnoKNwC2wI8 uEEIjcQaBzFn/ix3L+wVuhrgIIkMdXvO4Qc/HpnyFk1D95/GcyFH/qMuoQehWhq7ixNNa+2i 84xbDN1cBXGJR1GIEkaGbo1nfuyh2m5eDpdwL6QjfRmszWCklEuuFTrGPzvS86AesBrpBfCl lv0+lTUXgM6HsPKnFJp9Vrp3IcjhxjTQIsPEJWo+/gsh0ecrkQMCRtTTUX+rfSnh0qWX9NEN 1dS6icotbI19kGgUp/6RRLQnZKflhsVWt4VFvJg7giIkvrQ+1zAWTJCSSNdYts7ssNwXSYty lKCg9LuA3poraGRTnWesLyTqFteJBQoEIPLXgdcJSNt3jUpiN1bYs7nJjq7LJOIsw==
- Ironport-hdrordr: A9a23:0QNCGqmnFaI1e87jKpuQ0YpucxvpDfOYimdD5ihNYBxZY6Wkfp +V8cjzhCWftN9OYhodcIi7SdG9qADnhOVICO4qTP2ftWjdySCVxeRZgbcKrAeQfxEWmtQ96U 4kSdkGNDSSNyk2sS+Z2njeLz9I+rDun86VbKXlvhFQpGpRGsJdBnJCe2Om+zpNNWt77PQCdK a0145inX6NaH4XZsO0Cj0uRO7YveDGk5rgfFovGwMnwBPmt0Lm1JfKVzyjmjsOWTJGxrkvtU LflRbi26mlu/anjjfBym7o6YhMkteJ8KoMOCXMsLlVFtzfsHfqWG1TYczBgNnzmpDr1L8eqq iNn/7nBbU215qeRBDznfKn4Xib7N9n0Q6e9bbfuwqunSWxfkNHN+NRwY1eaRfX8EwmoZV117 9KxXuQs95NAQrHhzmV3am/a/hGrDvBnZMZq59ls5Wfa/pvVJZB6YgEuE9FGpYJGyz3rIghDe l1FcnZoPJba0mTYXzVtnRmhIXEZAV6Ij6WBkwZ/sCF2Tlfm350i0Me2cwEh38FsJYwUYNN6e jIOrlh0LtOUsgVZ6RgA/ppe7r/NkXdBRbXdG6CK1XuE68Kf3rLtp7s+b0woPqnfZQZpaFC7a gpkGkox1LaV3ied/Fmhqc7jSwlaF/NLAjF24VZ+4VzvKH6Sf7iLTCDIWpe4Pednw==
- List-id: Developer list for the Windows PV Drivers subproject <win-pv-devel.lists.xenproject.org>
- Thread-index: AdhP6kAbDA19BbYtRECv6F4UUU/GxAD72daAAGmnvwAAAFp2cAAAUguAAC/5hJAAAFZNAAAAMhEAAANPABAAADUugAAAE7WQAIxlHgAAAC0xkA==
- Thread-topic: XenVif div by zero on Tx path after resume.
-----Original Message-----
From: Durrant, Paul <xadimgnik@xxxxxxxxx>
Sent: 25 April 2022 10:15
To: Martin Harvey <martin.harvey@xxxxxxxxxx>; paul@xxxxxxx;
win-pv-devel@xxxxxxxxxxxxxxxxxxxx
Subject: Re: XenVif div by zero on Tx path after resume.
> So, there should be no way a thread can run before all 'late' callbacks have
> run unless there is a kernel call being made at the wrong IRQL or we need
> extra barriering. Hopefully the former could be caught in verifier.
Don't panic. I think I've found the bug - just running some extra tests to make
sure.
MH.
|