On Fri, Aug 22, 2008 at 09:35:20AM +0200, Le Rouzic wrote: > Hi, > Client and server On Intel X86_64 with linux-2.6.27-rc3. > > Doing several stress benchmarks simultaneously: > fsstress > iozone (without -U ) > fsx > ffsb > cthon > > The server crashed. > > Here is the trace on the server: You're sure it's the server? This crash is in client code. --b. > ------------[ cut here ]------------ > kernel BUG at fs/nfs/write.c:252! > > Entering kdb (current=0xffff8800621c78d0, pid 25953) on processor 1 due to > KDB_ENTER() > [1]kdb> bt > Stack traceback for pid 25953 > 0xffff8800621c78d0 25953 5308 1 1 R 0xffff8800621c7c38 *fsx-linux > sp ip Function (args) > 0xffff8800660cdb88 0xffffffff80330871 nfs_do_writepage+0xe7 > (0xffffe20001770140, invalid, 0xffff8800660cdd18) > 0xffff8800660cdbf0 0xffffffff80330cd0 nfs_writepages_callback+0xf > (0xffffe20001770140) > 0xffff8800660cdc10 0xffffffff802657f9 write_cache_pages+0x1ca > (0xffff880062402468, 0xffff8800660cddc8, 0xffffffff80330cc1, > 0xffff8800660cdd18) > 0xffff8800660cdd10 0xffffffff80330c95 nfs_writepages+0x72 (0xffff880062402468, > 0xffff8800660cddc8) > 0xffff8800660cdd90 0xffffffff803315b6 __nfs_write_mapping+0x19 > (0xffff880062402468, 0xffff8800660cddc8, invalid) > 0xffff8800660cddc0 0xffffffff80331655 nfs_write_mapping+0x68 > (0xffff880062402468, invalid) > 0xffff8800660cde30 0xffffffff80331675 nfs_wb_nocommit+0x15 (invalid) > 0xffff8800660cde40 0xffffffff80327638 nfs_getattr+0x5c (0xffff88007fbbf1c0, > invalid, 0xffff8800660cdef8) > 0xffff8800660cde80 0xffffffff8028c637 vfs_getattr+0x44 (0xffff88007fbbf1c0, > 0xffff8800664e00b8, 0xffff8800660cdef8) > 0xffff8800660cdec0 0xffffffff8028c687 vfs_fstat+0x33 (invalid, > 0xffff8800660cdef8) > 0xffff8800660cdef0 0xffffffff8028c6b8 sys_newfstat+0x1a (invalid, > 0x7fffec90f890) > not matched: from 0xffffffff8020bead to 0xffffffff8020bf25 drop_through 0 > bb_jmp[7] > bb_special_case: Invalid bb_reg_state.memory, missing trailing entries > bb_special_case: on transfer to int_with_check > system_call_fastpath has memory parameters but no register parameters. > Assuming it is a 'pass through' function that does not refer to its register > parameters and setting 6 register parameters > kdb_bb: 0xffffffff8020be3b [kernel]system_call_fastpath failed at > 0xffffffff8020bec8 > > Using old style backtrace, unreliable with no arguments > sp ip Function (args) > 0xffff8800660cdb88 0xffffffff80330871 nfs_do_writepage+0xe7 > 0xffff8800660cdbb0 0xffffffff80330871 nfs_do_writepage+0xe7 > 0xffff8800660cdbf0 0xffffffff80330cd0 nfs_writepages_callback+0xf > 0xffff8800660cdc10 0xffffffff802657f9 write_cache_pages+0x1ca > 0xffff8800660cdc20 0xffffffff80330cc1 nfs_writepages_callback > 0xffff8800660cdc68 0xffffffff8032d3bc nfs_wait_bit_killable > 0xffff8800660cdc80 0xffffffff80603a87 out_of_line_wait_on_bit+0x6e > 0xffff8800660cdca8 0xffffffff8023f9b8 wake_bit_function > 0xffff8800660cdd10 0xffffffff80330c95 nfs_writepages+0x72 > 0xffff8800660cdd50 0xffffffff80331c41 nfs_flush_one > 0xffff8800660cdd90 0xffffffff803315b6 __nfs_write_mapping+0x19 > 0xffff8800660cddc0 0xffffffff80331655 nfs_write_mapping+0x68 > 0xffff8800660cde30 0xffffffff80331675 nfs_wb_nocommit+0x15 > 0xffff8800660cde40 0xffffffff80327638 nfs_getattr+0x5c > 0xffff8800660cde80 0xffffffff8028c637 vfs_getattr+0x44 > 0xffff8800660cdec0 0xffffffff8028c687 vfs_fstat+0x33 > 0xffff8800660cdef0 0xffffffff8028c6b8 sys_newfstat+0x1a > 0xffff8800660cdf40 0xffffffff80242540 up_write+0x9 > 0xffff8800660cdf50 0xffffffff802731c5 sys_munmap+0x4d > > Bug registered at: > > > > ------------------------------------------------------------- Bug: > http://bugzilla.linux-nfs.org/show_bug.cgi?id=168 > > > > Best Regards > > -- > ----------------------------------------------------------------- > Company : Bull, Architect of an Open World TM (www.bull.com) > Name : Aime Le Rouzic Mail : Bull - BP 208 - 38432 Echirolles Cedex > - France > E-Mail : aime.le-rouzic@xxxxxxxx > Phone : 33 (4) 76.29.75.51 > Fax : 33 (4) 76.29.75.18 > ----------------------------------------------------------------- > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
