From owner-freebsd-bugs Fri Apr 3 10:50:06 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA21263 for freebsd-bugs-outgoing; Fri, 3 Apr 1998 10:50:06 -0800 (PST) (envelope-from owner-freebsd-bugs@FreeBSD.ORG) Received: (from gnats@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA21243; Fri, 3 Apr 1998 10:50:03 -0800 (PST) (envelope-from gnats) Received: from burka.rdy.com (dima@burka.rdy.com [205.149.163.30]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id KAA19549 for ; Fri, 3 Apr 1998 10:45:07 -0800 (PST) (envelope-from dima@burka.rdy.com) Received: by burka.rdy.com id KAA07538; (8.8.8/RDY) Fri, 3 Apr 1998 10:45:05 -0800 (PST) Message-Id: <199804031845.KAA07538@burka.rdy.com> Date: Fri, 3 Apr 1998 10:45:05 -0800 (PST) From: dima@best.net Reply-To: dima@best.net To: FreeBSD-gnats-submit@FreeBSD.ORG X-Send-Pr-Version: 3.2 Subject: kern/6203: panic: blkfree: freeing free frag Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >Number: 6203 >Category: kern >Synopsis: kernel panics with "blkfree: freeing free frag" message. >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Apr 3 10:50:01 PST 1998 >Last-Modified: >Originator: Dima Ruban >Organization: Best Internet Communications, Inc. >Release: FreeBSD 2.2.6-STABLE i386 >Environment: # dmesg Copyright (c) 1992-1998 FreeBSD Inc. Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. FreeBSD 2.2.6-STABLE #36: Fri Mar 27 12:05:22 PST 1998 dima@tick.best.net:/src/src/sys/compile/BEST CPU: Pentium Pro (199.31-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x619 Stepping=9 Features=0xf9ff real memory = 201326592 (196608K bytes) avail memory = 186765312 (182388K bytes) Probing for devices on PCI bus 0: chip0 rev 2 on pci0:0:0 chip1 rev 1 on pci0:1:0 chip2 rev 0 on pci0:1:1 vga0 rev 211 int a irq 12 on pci0:10:0 de0 rev 18 int a irq 10 on pci0:11:0 de0: SMC 9332DST 21140 [10-100Mb/s] pass 1.2 de0: address 00:00:c0:91:42:dc de0: enabling 10baseT port ahc0 rev 0 int a irq 11 on pci0:12:0 ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs ahc0 waiting for scsi devices to settle ahc0: target 0 Tagged Queuing Device (ahc0:0:0): "SEAGATE ST34371W 0338" type 0 fixed SCSI 2 sd0(ahc0:0:0): Direct-Access 4148MB (8496960 512 byte sectors) sd0(ahc0:0:0): with 5168 cyls, 10 heads, and an average 164 sectors/track ahc0: target 1 Tagged Queuing Device (ahc0:1:0): "SEAGATE ST19171W 0023" type 0 fixed SCSI 2 sd1(ahc0:1:0): Direct-Access 8683MB (17783112 512 byte sectors) sd1(ahc0:1:0): with 5268 cyls, 20 heads, and an average 168 sectors/track ahc0: target 2 Tagged Queuing Device (ahc0:2:0): "SEAGATE ST19171W 0023" type 0 fixed SCSI 2 sd2(ahc0:2:0): Direct-Access 8683MB (17783112 512 byte sectors) sd2(ahc0:2:0): with 5268 cyls, 20 heads, and an average 168 sectors/track Probing for devices on the ISA bus: sc0 at 0x60-0x6f irq 1 on motherboard sc0: VGA color <16 virtual consoles, flags=0x0> sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A lpt0 at 0x378-0x37f irq 7 on isa lpt0: Interrupt-driven port lp0: TCP/IP capable interface fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: FIFO enabled, 8 bytes threshold fd0: 1.44MB 3.5in npx0 on motherboard npx0: INT 16 interface ccd0-1: Concatenated disk drivers de0: enabling 10baseT port # >Description: I don't believe, I've seen it here before. Here goes ddb trace: dev = 0x413, block = 3432, fs = /users/u2 panic: blkfree: freeing free frag Debugger("panic") Stopped at _Debugger+0x35 [/sys/compile/BEST/:52]: movb $0,_in_Debugger. 122 db> db> trace _Debugger(msg=f0113238) at _Debugger+0x35 [/sys/compile/BEST/:52] _panic(fmt=f0196671) at _panic+0x5a [/sys/compile/BEST/:388] _ffs_blkfree(ip=f2623200,bno=d68,size=800) at _ffs_blkfree+0x410 [/sys/compile/B EST/:1257] _ffs_truncate(ap=efbffe9c) at _ffs_truncate+0x9a7 [/sys/compile/BEST/:344] _ufs_setattr(ap=efbffed4) at _ufs_setattr+0x1bb [/sys/compile/BEST/:1003] _ftruncate(p=f2d1d800,uap=efbfff94,retval=efbfff84) at _ftruncate+0xfd [/sys/com pile/BEST/:227] _syscall(frame=27) at _syscall+0x183 [/sys/compile/BEST/:914] _Xsyscall() at _Xsyscall+0x35 --- syscall 0xc6, eip = 0x20092ee5, esp = 0xefbfca60, ebp = 0xefbfca80 --- db> panic panic: from debugger dumping to dev 401, offset 655360 ... Unfortunately it didn't leave a dump, so back trace from ddb is basically all I have. >How-To-Repeat: I have no idea. >Fix: None at the time. >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message