From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wli by holomorphy with local (Exim 3.34 #1 (Debian)) id 17u1pk-0001Kr-00 for ; Tue, 24 Sep 2002 19:23:24 -0700 Date: Tue, 24 Sep 2002 19:23:24 -0700 From: William Lee Irwin III Subject: 2.5.38-mm2 pdflush_list Message-ID: <20020925022324.GP6070@holomorphy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Description: brief message Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org List-ID: Program received signal SIGSEGV, Segmentation fault. pdflush_operation (fn=0xc0142428 , arg0=0) at /mnt/b/2.5.38/linux-2.5/include/linux/list.h:130 130 /mnt/b/2.5.38/linux-2.5/include/linux/list.h: No such file or directory. in /mnt/b/2.5.38/linux-2.5/include/linux/list.h (gdb) bt #0 pdflush_operation (fn=0xc0142428 , arg0=0) at /mnt/b/2.5.38/linux-2.5/include/linux/list.h:130 #1 0xc01423cf in balance_dirty_pages (mapping=0xd749383c) at page-writeback.c:127 #2 0xc014241f in balance_dirty_pages_ratelimited (mapping=0xd749383c) at page-writeback.c:160 #3 0xc013300f in generic_file_write_nolock (file=0xd7c67bc0, iov=0xc6aa9f70, nr_segs=1, ppos=0xd7c67be0) at filemap.c:1643 #4 0xc013313f in generic_file_write (file=0xd7c67bc0, buf=0x804bda0 '\001' ..., count=65487, ppos=0xd7c67be0) at filemap.c:1675 #5 0xc014640c in vfs_write (file=0xd7c67bc0, buf=0x804bda0 '\001' ..., count=65487, pos=0xd7c67be0) at read_write.c:214 #6 0xc01464ee in sys_write (fd=7, buf=0x804bda0 '\001' ..., count=65487) at read_write.c:244 #7 0xc010746f in syscall_call () at process.c:685 There's a NULL in this circular list: (gdb) p &pdflush_list $15 = (struct list_head *) 0xc02b5bdc (gdb) p pdflush_list $16 = {next = 0xdbf23fe0, prev = 0xe0125fe0} (gdb) p *(pdflush_list.next) $17 = {next = 0x0, prev = 0xc02b5bdc} (gdb) p *(pdflush_list.prev) $18 = {next = 0xc02b5bdc, prev = 0xdbf23fe0} (gdb) p *((pdflush_list.prev)->prev) $19 = {next = 0x0, prev = 0xc02b5bdc} (gdb) p *(((pdflush_list.prev)->prev)->prev) $20 = {next = 0xdbf23fe0, prev = 0xe0125fe0} (gdb) p *pdf $21 = {who = 0x0, fn = 0, arg0 = 0, list = {next = 0x0, prev = 0xc02b5bdc}, when_i_went_to_sleep = 0} Cheers, Bill -- 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-mm.org/