Date: Mon, 17 Sep 2007 11:04:15 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Boris Samorodov <bsam@ipt.ru> Cc: freebsd-current@freebsd.org Subject: Re: twa + dump = sbwait Message-ID: <20070917080415.GL79542@deviant.kiev.zoral.com.ua> In-Reply-To: <96972293@srv.sem.ipt.ru> References: <96972293@srv.sem.ipt.ru>
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--dfmC41YZQlborXoK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Sep 17, 2007 at 11:28:58AM +0400, Boris Samorodov wrote: > Hi! >=20 >=20 > I can't use dump at -CURRENT with twa. The process goes to sbwait > state forever. Here are the details. >=20 > $ uname -a > FreeBSD test.ipt.ru 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Sat Sep 15 19:37:= 17 MSD 2007 bsam@test.ipt.ru:/usr/obj/usr/src/sys/TEST amd64 >=20 > The controller: > twa0: <3ware 9000 series Storage Controller> port 0x3000-0x30ff mem 0xd80= 00000-0xd9ffffff,0xda300000-0xda300fff irq 16 at device 0.0 on pci8 > twa0: [GIANT-LOCKED] > twa0: [ITHREAD] > twa0: INFO: (0x04: 0x0053): Battery capacity test is overdue:=20 > twa0: INFO: (0x15: 0x1300): Controller details:: Model 9650SE-8LPML, 8 po= rts, Firmware FE9X 3.06.00.005, BIOS BE9X 3.06.00.002 >=20 > 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=20 > da1: 100.000MB/s transfers > da1: 476816MB (976519168 512 byte sectors: 255H 63S/T 60785C) >=20 > Mounted as: > /dev/da1 /s ufs rw 2 2 >=20 > 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] >=20 > 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 >=20 > 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 Fr= ee > Swap: 4096M Total, 4096M Free >=20 > 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 > ----- >=20 > 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 conditi= ons. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for detail= s. > 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 >=20 > Shall I do some more debugging? Thanks! Please, verify that you have rev. 1.39 of sys/kern/subr_sleepqueue.c. --dfmC41YZQlborXoK Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFG7jT+C3+MBN1Mb4gRAvtuAKDDocoWrpFel6rNwQLwYOHhO+QzegCbBC+B OmMOX4VYDvdOwDq2G/HEK7g= =n2dX -----END PGP SIGNATURE----- --dfmC41YZQlborXoK--
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