From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 1 Mar 2001 10:54:58 +0000 From: "Stephen C. Tweedie" Subject: Oops in swap code Message-ID: <20010301105458.A7455@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org Cc: Stephen Tweedie List-ID: Hi, Just saw this from a Red Hat beta (wolverine) user: ring any bells? It's a kernel BUG() in activate_page_nolock(): /* * Move an inactive page to the active list. */ void activate_page_nolock(struct page * page) { if (PageInactiveDirty(page)) { vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv del_page_from_inactive_dirty_list(page); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ add_page_to_active_list(page); } else if (PageInactiveClean(page)) { del_page_from_inactive_clean_list(page); add_page_to_active_list(page)d_page+0/4096] kernel BUG at swap.c:201! invalid operand: 0000 CPU: 0 EIP: 0010:[activate_page_nolock+110/528] EIP: 0010:[] EFLAGS: 00010282 eax: 0000001a ebx: c1103ef4 ecx: fffffffe edx: 00000000 esi: c1103ef4 edi: 00000070 ebp: 00000000 esp: c1167f94 ds: 0018 es: 0018 ss: 0018 Process kswapd (pid: 3, stackpage=c1167000) Stack: c020a29b c020a456 000000c9 c1103ef4 c012a822 c1103ef4 c1103f10 c012c295 c1103ef4 00010f00 c024f5e0 00000006 0008e000 c012c5d7 00000006 00000000 c0105000 0008e000 00000000 00000018 00000018 c1177fa8 c0105000 c0107576 Call Trace: [age_page_up_nolock+18/48] [refill_inactive_scan+101/240] [kswapd+119/240] [empty_bad_page+0/4096] [empty_bad_page+0/4096] [kernel_thread+38/48] [kswapd+0/240] Call Trace: [] [] [] [] [] [] [] Code: 0f 0b 83 c4 0c 8b 43 14 85 c0 75 19 68 c9 00 00 00 68 56 a4 This seems to be reproducible. --Stephen -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/