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Date: Wed, 18 Jun 2008 17:15:08 -0400 From: "Ryan Hope" <rmh3093@...il.com> To: linux-mm@...r.kernel.org, LKML <linux-kernel@...r.kernel.org> Subject: [BUG] Lockless patches cause hardlock under heavy IO I applied the following patches from 2.6-26-rc5-mm3 to 2.6.26-rc6 and they caused a hardlock under heavy IO: x86-implement-pte_special.patch mm-introduce-get_user_pages_fast.patch mm-introduce-get_user_pages_fast-fix.patch mm-introduce-get_user_pages_fast-checkpatch-fixes.patch x86-lockless-get_user_pages_fast.patch x86-lockless-get_user_pages_fast-checkpatch-fixes.patch x86-lockless-get_user_pages_fast-fix.patch x86-lockless-get_user_pages_fast-fix-2.patch x86-lockless-get_user_pages_fast-fix-2-fix-fix.patch x86-lockless-get_user_pages_fast-fix-warning.patch dio-use-get_user_pages_fast.patch splice-use-get_user_pages_fast.patch x86-support-1gb-hugepages-with-get_user_pages_lockless.patch # mm-readahead-scan-lockless.patch radix-tree-add-gang_lookup_slot-gang_lookup_slot_tag.patch #mm-speculative-page-references.patch: clameter saw bustage mm-speculative-page-references.patch mm-speculative-page-references-fix.patch mm-speculative-page-references-fix-fix.patch mm-speculative-page-references-hugh-fix3.patch mm-lockless-pagecache.patch mm-spinlock-tree_lock.patch powerpc-implement-pte_special.patch I am on an x86_64. I dont know what other info you need... -Ryan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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