On Mon, Sep 17, 2007 at 12:09:29PM +0400, Boris Samorodov wrote: > On Mon, 17 Sep 2007 11:04:15 +0300 Kostik Belousov wrote: > > On Mon, Sep 17, 2007 at 11:28:58AM +0400, Boris Samorodov wrote: > > > Hi! > > > > > > > > > I can't use dump at -CURRENT with twa. The process goes to sbwait > > > state forever. Here are the details. > > > > > > $ uname -a > > > FreeBSD test.ipt.ru 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Sat Sep 15 19:37:17 MSD 2007 bsam_at_test.ipt.ru:/usr/obj/usr/src/sys/TEST amd64 > > > > > > The controller: > > > twa0: <3ware 9000 series Storage Controller> port 0x3000-0x30ff mem 0xd8000000-0xd9ffffff,0xda300000-0xda300fff irq 16 at device 0.0 on pci8 > > > twa0: [GIANT-LOCKED] > > > twa0: [ITHREAD] > > > twa0: INFO: (0x04: 0x0053): Battery capacity test is overdue: > > > twa0: INFO: (0x15: 0x1300): Controller details:: Model 9650SE-8LPML, 8 ports, Firmware FE9X 3.06.00.005, BIOS BE9X 3.06.00.002 > > > > > > Two disks at stripe: > > > da1 at twa0 bus 0 target 1 lun 0 > > > da1: <AMCC 9650SE-8LP DISK 3.06> Fixed Direct Access SCSI-5 device > > > da1: 100.000MB/s transfers > > > da1: 476816MB (976519168 512 byte sectors: 255H 63S/T 60785C) > > > > > > Mounted as: > > > /dev/da1 /s ufs rw 2 2 > > > > > > The command: > > > $ dump -0Luan -f s.dump /s > > > DUMP: Date of this level 0 dump: Mon Sep 17 10:26:21 2007 > > > DUMP: Date of last level 0 dump: the epoch > > > DUMP: Dumping snapshot of /dev/da1 (/s) to s.dump > > > DUMP: mapping (Pass I) [regular files] > > > DUMP: mapping (Pass II) [directories] > > > DUMP: estimated 432054 tape blocks. > > > DUMP: dumping (Pass III) [directories] > > > DUMP: dumping (Pass IV) [regular files] > > > [wait here forever] > > > > > > The relevant part of iostat -w 10 and top: > > > ----- > > > tty da0 da1 cpu > > > tin tout KB/t tps MB/s KB/t tps MB/s us ni sy in id > > > 0 231 16.00 0 0.01 16.00 152 2.37 0 0 1 0 99 > > > 0 257 16.00 1 0.02 16.00 147 2.29 0 0 1 0 99 > > > 0 310 16.00 1 0.01 16.00 146 2.28 0 0 1 0 99 > > > 0 265 16.00 0 0.01 16.00 152 2.38 0 0 1 0 99 > > > 0 442 16.00 0 0.00 15.98 299 4.66 0 0 1 0 99 > > > 0 620 15.54 3 0.04 3.46 1999 6.76 0 0 2 1 96 > > > 0 363 16.00 0 0.01 2.77 5141 13.90 0 0 5 2 93 > > > 0 309 0.00 0 0.00 3.22 114 0.36 0 0 0 0 100 > > > 0 260 16.00 1 0.01 0.00 0 0.00 0 0 0 0 100 > > > 0 263 0.00 0 0.00 0.00 0 0.00 0 0 0 0 100 > > > > > > last pid: 74610; load averages: 0.01, 0.06, 0.01 up 1+09:53:34 10:32:34 > > > 98 processes: 98 sleeping > > > CPU states: 0.0% user, 0.0% nice, 0.3% system, 0.0% interrupt, 99.6% idle > > > Mem: 113M Active, 2374M Inact, 337M Wired, 480K Cache, 214M Buf, 4935M Free > > > Swap: 4096M Total, 4096M Free > > > > > > PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND > > > 74595 duser 1 20 0 28248K 26000K pause 5 0:01 0.00% dump > > > 74596 duser 1 20 0 28248K 26000K pause 2 0:01 0.00% dump > > > 74594 duser 1 20 0 28248K 26000K pause 5 0:01 0.00% dump > > > 74593 duser 1 4 0 28248K 26020K sbwait 7 0:01 0.00% dump > > > 74530 duser 1 8 0 28248K 26000K wait 6 0:01 0.00% dump > > > 74443 duser 1 8 0 6216K 1904K wait 5 0:00 0.00% sh > > > ----- > > > > > > Gdb shows nothing interesting: > > > # gdb dump 74593 > > > GNU gdb 6.1.1 [FreeBSD] > > > Copyright 2004 Free Software Foundation, Inc. > > > GDB is free software, covered by the GNU General Public License, and you are > > > welcome to change it and/or distribute copies of it under certain conditions. > > > Type "show copying" to see the conditions. > > > There is absolutely no warranty for GDB. Type "show warranty" for details. > > > This GDB was configured as "amd64-marcel-freebsd"...(no debugging symbols found)... > > > Attaching to program: /sbin/dump, process 74593 > > > Reading symbols from /lib/libc.so.7...(no debugging symbols found)...done. > > > Loaded symbols for /lib/libc.so.7 > > > Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done. > > > Loaded symbols for /libexec/ld-elf.so.1 > > > 0x000000080071b34a in read () from /lib/libc.so.7 > > > > > > Shall I do some more debugging? Thanks! > > > Please, verify that you have rev. 1.39 of sys/kern/subr_sleepqueue.c. > > % grep FBSDID /sys/kern/subr_sleepqueue.c > __FBSDID("$FreeBSD: src/sys/kern/subr_sleepqueue.c,v 1.39 2007/09/13 09:12:36 attilio Exp $"); Most likely, this is a different bug then. Just to make sure, please, show the output of ps axl | grep dump. The dump processes shall sleep, and be killable (check that, please).
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