with the diff below my ``panic: smashed stack in msdosfs_rename''
problem does not appear any more.
Index: msdosfs_vnops.c
===================================================================
RCS file: /cvs/src/sys/msdosfs/msdosfs_vnops.c,v
retrieving revision 1.82
diff -u -r1.82 msdosfs_vnops.c
--- msdosfs_vnops.c 11 Jul 2012 12:39:20 -0000 1.82
+++ msdosfs_vnops.c 4 Sep 2012 09:28:32 -0000
@@ -860,7 +860,7 @@
struct componentname *fcnp = ap->a_fcnp;
struct proc *p = curproc; /* XXX */
struct denode *ip, *xp, *dp, *zp;
- u_char toname[11], oldname[11];
+ u_char toname[12], oldname[11];
uint32_t from_diroffset, to_diroffset;
u_char to_count;
int doingdirectory = 0, newparent = 0;
below is my lengthy report to bugs@ with some explanation.
Bye, Marcus
mcmer-open...@tor.at (MERIGHI Marcus), 2012.09.04 (Tue) 11:52 (CEST):
> context and history:
> alix machine, connecting external usb hd. hotplugd(8) scripts to rsync
> larger files (100MB - 1000MB) to external hd. The hd quite often gives:
>
> umass0: BBB reset failed, IOERROR
> umass0: BBB bulk-in clear stall failed, IOERROR
> umass0: BBB bulk-out clear stall failed, IOERROR
>
> after some unplugging/plugging it works (ms win and a sony tv seem to
> have no problem with the hd). no suspicious sounds from hd. ms win
> chkdsk thinks the disk/slice is fine.
>
> when mounted the hd looks like this:
> /dev/sd0i on /mnt/media type msdos (local, uid=1002, gid=10, long)
> /dev/sd0i 1048320000 922767424 125552576 88% /mnt/media
>
> The plug in, rsync, plug out cycle has been running for weeks now,
> without problems apart from the ``BBB'' thing. The hd is filling up
> constantly.
> Yesterday I installed yesterdays snapshot. Saw the panic for the first
> time later that day.
>
> http://readlist.com/lists/freebsd.org/freebsd-current/10/53762.html
> and
> http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/fs/msdosfs/msdosfs_vnops.c?only_with_tag=MAIN
> (rev 1.72)
> suggest:
>
> Index: msdosfs_vnops.c
> ===================================================================
> RCS file: /cvs/src/sys/msdosfs/msdosfs_vnops.c,v
> retrieving revision 1.82
> diff -u -r1.82 msdosfs_vnops.c
> --- msdosfs_vnops.c 11 Jul 2012 12:39:20 -0000 1.82
> +++ msdosfs_vnops.c 4 Sep 2012 09:28:32 -0000
> @@ -860,7 +860,7 @@
> struct componentname *fcnp = ap->a_fcnp;
> struct proc *p = curproc; /* XXX */
> struct denode *ip, *xp, *dp, *zp;
> - u_char toname[11], oldname[11];
> + u_char toname[12], oldname[11];
> uint32_t from_diroffset, to_diroffset;
> u_char to_count;
> int doingdirectory = 0, newparent = 0;
>
> I haven't tried with the above patch yet, going to compile a kernel for
> the first time in ages.
>
> Bye, Marcus
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Disk: sd0 geometry: 91201/255/63 [1465149168 Sectors]
> Offset: 0 Signature: 0xAA55
> Starting Ending LBA Info:
> #: id C H S - C H S [ start: size ]
> -------------------------------------------------------------------------------
> *0: 0C 0 32 33 - 65270 245 63 [ 2048: 1048576000 ] Win95
> FAT32L
> 1: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused
>
> 2: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused
>
> 3: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> # /dev/rsd0c:
> type: SCSI
> disk: SCSI disk
> label: holmer-medien-01
> duid: 94f3e0ef639263f9
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 255
> sectors/cylinder: 16065
> cylinders: 91201
> total sectors: 1465149168
> boundstart: 0
> boundend: 1465149168
> drivedata: 0
>
> 16 partitions:
> # size offset fstype [fsize bsize cpg]
> c: 1465149168 0 unused
> i: 1048576000 2048 MSDOS # /mnt/media
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> with ddb.panic=0 and watchdogd_flags="":
>
> panic: smashed stack in msdosfs_rename
> Starting stack trace...
> panic(d08eecfc,f3886d48,d08cbc44,f3886d48,50) at panic+0x6a
> panic(d08cbc44,d08d0bb5,f3886dfc,d04305b1,d08d0bb5) at panic+0x6a
> __stack_smash_handler(d08d0bb5,0,d52dc5d0,d124e820,0) at
> __stack_smash_handler+0x19
> msdosfs_rename(f3886e14,0,0,d5314f0c,d54b7cdc) at msdosfs_rename+0x451
> VOP_RENAME(d54b7cdc,d531d1e8,f3886ed0,d54b7cdc,0) at VOP_RENAME+0x41
> dorenameat(d52dc5d0,ffffff9c,cfbe8c68,ffffff9c,cfbe9468) at
> dorenameat+0x220
> sys_rename(d52dc5d0,f3886f64,f3886f84,106,d52de904) at sys_rename+0x38
> syscall() at syscall+0x227
> --- syscall (number -809595800) ---
> 0x2:
> End of stack trace.
> syncing disks... 4 3 done
>
> dumping to dev 1, offset 503871
> dump 255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 239
> 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 223 222 221
> 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 203
> 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185
> 184 183 182 181 180 179 178 177 176 175 174 173 172 171 170 169 168 167
> 166 165 164 163
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> console output with ddb.panic=1 and watchdogd_flags="NO":
>
> PC Engines ALIX.2 v0.99
> 640 KB Base Memory
> 261120 KB Extended Memory
> Waiting for HDD ...
>
> 01F0 Master 427A WDC WD1600BEVE-00WZT0
> Phys C/H/S 16383/16/63 Log C/H/S 16709/255/63 LBA
> Using drive 0, partition 3;
> Loading;...
> probing: pc0 com0 pci mem[640K 255M a20=on]
> disk: hd0
> >> OpenBSD/i386 BOOT 3.02
> switching console to com0
> >> OpenBSD/i386 BOOT 3.02
> boot>
> booting hd0a:/bsd: 8337852+1101960 [52+375648+362387]=0x9b4ee0
> entry point at 0x200120
>
> [ using 738460 bytes of bsd ELF symbol table ]
> Copyright (c) 1982, 1986, 1989, 1991, 1993
> The Regents of the University of California. All rights reserved.
> Copyright (c) 1995-2012 OpenBSD. All rights reserved. http://www.OpenBSD.org
>
> OpenBSD 5.2-current (GENERIC) #6: Sat Sep 1 20:07:26 MDT 2012
> dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
> cpu0: Geode(TM) Integrated Processor by AMD PCS ("AuthenticAMD" 586-class)
> 499 MHz
> cpu0: FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CFLUSH,MMX,MMXX,3DNOW2,3DNOW
> real mem = 267976704 (255MB)
> avail mem = 252682240 (240MB)
> mainbus0 at root
> bios0 at mainbus0: AT/286+ BIOS, date 12/10/07, BIOS32 rev. 0 @ 0xfceb2
> pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000
> pcibios0: pcibios_get_intr_routing - function not supported
> pcibios0: PCI IRQ Routing information unavailable.
> pcibios0: PCI bus #0 is the last bus
> bios0: ROM list: 0xe0000/0xa800
> cpu0 at mainbus0: (uniprocessor)
> pci0 at mainbus0 bus 0: configuration mode 1 (bios)
> pchb0 at pci0 dev 1 function 0 "AMD Geode LX" rev 0x33
> glxsb0 at pci0 dev 1 function 2 "AMD Geode LX Crypto" rev 0x00: RNG AES
> vr0 at pci0 dev 9 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 10, address
> 00:0d:b9:17:1d:08
> ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
> 0x004063, model 0x0034
> vr1 at pci0 dev 11 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 12,
> address 00:0d:b9:17:1d:09
> ukphy1 at vr1 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
> 0x004063, model 0x0034
> glxpcib0 at pci0 dev 15 function 0 "AMD CS5536 ISA" rev 0x03: rev 3, 32-bit
> 3579545Hz timer, watchdog, gpio, i2c
> gpio0 at glxpcib0: 32 pins
> iic0 at glxpcib0
> maxtmp0 at iic0 addr 0x4c: lm86
> pciide0 at pci0 dev 15 function 2 "AMD CS5536 IDE" rev 0x01: DMA, channel 0
> wired to compatibility, channel 1 wired to compatibility
> wd0 at pciide0 channel 0 drive 0: <WDC WD1600BEVE-00WZT0>
> wd0: 16-sector PIO, LBA48, 152627MB, 312581808 sectors
> wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 4
> pciide0: channel 1 ignored (disabled)
> ohci0 at pci0 dev 15 function 4 "AMD CS5536 USB" rev 0x02: irq 15, version
> 1.0, legacy support
> ehci0 at pci0 dev 15 function 5 "AMD CS5536 USB" rev 0x02: irq 15
> usb0 at ehci0: USB revision 2.0
> uhub0 at usb0 "AMD EHCI root hub" rev 2.00/1.00 addr 1
> isa0 at glxpcib0
> isadma0 at isa0
> com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> com0: console
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
> usb1 at ohci0: USB revision 1.0
> uhub1 at usb1 "AMD OHCI root hub" rev 1.00/1.00 addr 1
> mtrr: K6-family MTRR support (2 registers)
> nvram: invalid checksum
> vscsi0 at root
> scsibus0 at vscsi0: 256 targets
> softraid0 at root
> scsibus1 at softraid0: 256 targets
> root on wd0a (7b2e007bf13f250b.a) swap on wd0b dump on wd0b
> clock: unknown CMOS layout
> Automatic boot in progress: starting file system checks.
> /dev/wd0a (7b2e007bf13f250b.a): file system is clean; not checking
> /dev/wd0d (7b2e007bf13f250b.d): file system is clean; not checking
> /dev/wd0e (7b2e007bf13f250b.e): file system is clean; not checking
> /dev/wd0f (7b2e007bf13f250b.f): file system is clean; not checking
> /dev/wd0g (7b2e007bf13f250b.g): file system is clean; not checking
> /dev/wd0h (7b2e007bf13f250b.h): file system is clean; not checking
> /dev/wd0i (7b2e007bf13f250b.i): file system is clean; not checking
> setting tty flags
> pf enabled
> ddb.panic: 1 -> 1
> vm.swapencrypt.enable: 1 -> 0
> machdep.kbdreset: 0 -> 1
> starting network
> DHCPREQUEST on vr1 to 255.255.255.255 port 67
> DHCPACK from 192.168.0.1 (18:59:33:af:5a:0d)
> bound to 192.168.0.100 -- renewal in 1800 seconds.
> starting early daemons: syslogd pflogd named ntpd.
> starting RPC daemons:.
> savecore: reboot after panic: smashed stack in msdosfs_rename
> savecore: system went down at Mon Sep 3 20:54:56 2012
> savecore: no dump, not enough free space on device
> checking quotas: done.
> clearing /tmp
> starting pre-securelevel daemons:LEDpins .
> setting kernel security level: kern.securelevel: 0 -> 1
> creating runtime link editor directory cache.
> preserving editor files.
> starting network daemons: sshd sendmail inetd sndiod.
> starting package daemons: smartd gpiod offd pfsyslogd.
> starting local daemons: sensorsd hotplugd cron.
> Tue Sep 4 10:09:50 CEST 2012
>
> OpenBSD/i386 (bla.foo.com) (tty00)
>
> login:
>
> umass0 at uhub0 port 2 configuration 1 interface 0 "ASMedia AS2105" rev
> 2.10/0.01 addr 2
> umass0: using SCSI over Bulk-Only
> scsibus2 at umass0: 2 targets, initiator 0
> sd0 at scsibus2 targ 1 lun 0: <TOSHIBA, MK7559GSXP, GN00> SCSI0 0/direct
> fixed serial.174c5106~~~~~~~~~~~~
> sd0: 715404MB, 512 bytes/sector, 1465149168 sectors
> umass0: BBB reset failed, IOERROR
> umass0: BBB bulk-in clear stall failed, IOERROR
> umass0: BBB bulk-out clear stall failed, IOERROR
>
> sd0 detached
> scsibus2 detached
> umass0 detached
>
> umass0 at uhub0 port 2 configuration 1 interface 0 "ASMedia AS2105" rev
> 2.10/0.01 addr 2
> umass0: using SCSI over Bulk-Only
> scsibus2 at umass0: 2 targets, initiator 0
> sd0 at scsibus2 targ 1 lun 0: <TOSHIBA, MK7559GSXP, GN00> SCSI0 0/direct
> fixed serial.174c5106~~~~~~~~~~~~
> sd0: 715404MB, 512 bytes/sector, 1465149168 sectors
>
> panic: smashed stack in msdosfs_rename
> Stopped at Debugger+0x4: popl %ebp
> RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
> DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
>
> ddb> trace
> Debugger(d08eecfc,f384ed48,d08cbc44,f384ed48,50) at Debugger+0x4
> panic(d08cbc44,d08d0bb5,f384edfc,d04305b1,d08d0bb5) at panic+0x5d
> __stack_smash_handler(d08d0bb5,0,d52e2e88,d1245c20,0) at
> __stack_smash_handler+
> 0x19
> msdosfs_rename(f384ee14,0,0,d52fab4c,d542d6bc) at msdosfs_rename+0x451
> VOP_RENAME(d542d6bc,d542db9c,f384eed0,d542d6bc,0) at VOP_RENAME+0x41
> dorenameat(d52e2e88,ffffff9c,cfbd1f08,ffffff9c,cfbd2708) at dorenameat+0x220
> sys_rename(d52e2e88,f384ef64,f384ef84,106,d52e6784) at sys_rename+0x38
> syscall() at syscall+0x227
> --- syscall (number -809689336) ---
> 0x2:
>
> ddb> ps
> PID PPID PGRP UID S FLAGS WAIT COMMAND
> *25904 18097 23267 0 7 0 rsync
> 18097 16338 23267 0 3 0x80 select rsync
> 16338 13412 23267 0 3 0x80 select rsync
> 4945 13412 23267 0 3 0x80 piperd logger
> 13412 23267 23267 0 3 0x88 pause sh
> 18238 12050 18238 0 3 0x80 netio syslogc
> 12050 2939 12050 1000 3 0x88 pause ksh
> 2939 31281 31281 1000 3 0x80 select sshd
> 31281 3177 31281 0 3 0x80 poll sshd
> 22670 1 22670 0 3 0x80 ttyin getty
> 10411 1 10411 0 3 0x80 select cron
> 23267 1 23267 0 3 0x80 htplev hotplugd
> 3731 1 3731 0 3 0x80 nanosleep sensorsd
> 29220 14817 24737 0 3 0x80 netcon nc
> 1582 14817 24737 0 3 0x80 piperd logger
> 14817 1 24737 0 3 0x80 piperd sh
> 1963 2967 24737 0 3 0x80 kqread tail
> 17921 2967 24737 0 3 0x80 piperd logger
> 2967 1 24737 0 3 0x80 piperd sh
> 26581 1 11632 0 3 0x80 nanosleep smartd
> 29553 1 29553 99 3 0x80 poll sndiod
> 30135 1 30135 0 3 0x80 select inetd
> 13101 1 13101 0 3 0x80 select sendmail
> 3177 1 3177 0 3 0x80 select sshd
> 1458 1 1458 0 3 0x80 poll ntpd
> 18382 31306 18382 83 3 0x80 poll ntpd
> 31306 1 31306 83 3 0x80 poll ntpd
> 29646 24735 24735 70 3 0x80 select named
> 24735 1 24735 0 3 0x80 netio named
> 1422 31840 31840 74 3 0x80 bpf pflogd
> 31840 1 31840 0 3 0x80 netio pflogd
> 526 15921 15921 73 3 0x80 poll syslogd
> 15921 1 15921 0 3 0x80 netio syslogd
> 1189 1 1189 77 3 0x80 poll dhclient
> 24285 1 24737 0 3 0x80 poll dhclient
> 13 0 0 0 3 0x100200 aiodoned aiodoned
> 12 0 0 0 3 0x100200 syncer update
> 11 0 0 0 3 0x100200 cleaner cleaner
> 10 0 0 0 3 0x100200 reaper reaper
> 9 0 0 0 3 0x100200 pgdaemon pagedaemon
> 8 0 0 0 3 0x100200 bored crypto
> 7 0 0 0 3 0x100200 pftm pfpurge
> 6 0 0 0 3 0x100200 usbtsk usbtask
> 5 0 0 0 3 0x100200 usbatsk usbatsk
> 4 0 0 0 3 0x100200 bored syswq
> 3 0 0 0 3 0x40100200 idle0
> 2 0 0 0 3 0x100200 kmalloc kmthread
> 1 0 1 0 3 0x80 wait init
> 0 -1 0 0 3 0x200 scheduler swapper
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> OpenBSD 5.2-current (GENERIC) #6: Sat Sep 1 20:07:26 MDT 2012
> dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
> RTC BIOS diagnostic error 80<clock_battery>
> cpu0: Geode(TM) Integrated Processor by AMD PCS ("AuthenticAMD" 586-class)
> 499 MHz
> cpu0: FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CFLUSH,MMX,MMXX,3DNOW2,3DNOW
> real mem = 267976704 (255MB)
> avail mem = 252682240 (240MB)
> mainbus0 at root
> bios0 at mainbus0: AT/286+ BIOS, date 12/10/07, BIOS32 rev. 0 @ 0xfceb2
> pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000
> pcibios0: pcibios_get_intr_routing - function not supported
> pcibios0: PCI IRQ Routing information unavailable.
> pcibios0: PCI bus #0 is the last bus
> bios0: ROM list: 0xe0000/0xa800
> cpu0 at mainbus0: (uniprocessor)
> pci0 at mainbus0 bus 0: configuration mode 1 (bios)
> pchb0 at pci0 dev 1 function 0 "AMD Geode LX" rev 0x33
> glxsb0 at pci0 dev 1 function 2 "AMD Geode LX Crypto" rev 0x00: RNG AES
> vr0 at pci0 dev 9 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 10, address
> 00:0d:b9:17:1d:08
> ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
> 0x004063, model 0x0034
> vr1 at pci0 dev 11 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 12,
> address 00:0d:b9:17:1d:09
> ukphy1 at vr1 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
> 0x004063, model 0x0034
> glxpcib0 at pci0 dev 15 function 0 "AMD CS5536 ISA" rev 0x03: rev 3, 32-bit
> 3579545Hz timer, watchdog, gpio, i2c
> gpio0 at glxpcib0: 32 pins
> iic0 at glxpcib0
> maxtmp0 at iic0 addr 0x4c: lm86
> pciide0 at pci0 dev 15 function 2 "AMD CS5536 IDE" rev 0x01: DMA, channel 0
> wired to compatibility, channel 1 wired to compatibility
> wd0 at pciide0 channel 0 drive 0: <WDC WD1600BEVE-00WZT0>
> wd0: 16-sector PIO, LBA48, 152627MB, 312581808 sectors
> wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 4
> pciide0: channel 1 ignored (disabled)
> ohci0 at pci0 dev 15 function 4 "AMD CS5536 USB" rev 0x02: irq 15, version
> 1.0, legacy support
> ehci0 at pci0 dev 15 function 5 "AMD CS5536 USB" rev 0x02: irq 15
> usb0 at ehci0: USB revision 2.0
> uhub0 at usb0 "AMD EHCI root hub" rev 2.00/1.00 addr 1
> isa0 at glxpcib0
> isadma0 at isa0
> com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> com0: console
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
> usb1 at ohci0: USB revision 1.0
> uhub1 at usb1 "AMD OHCI root hub" rev 1.00/1.00 addr 1
> mtrr: K6-family MTRR support (2 registers)
> nvram: invalid checksum
> vscsi0 at root
> scsibus0 at vscsi0: 256 targets
> softraid0 at root
> scsibus1 at softraid0: 256 targets
> root on wd0a (7b2e007bf13f250b.a) swap on wd0b dump on wd0b
> clock: unknown CMOS layout
> WARNING: clock time much less than file system time
> WARNING: using file system time
> WARNING: CHECK AND RESET THE DATE!
