Re: geom<->ata forever cycle

Here's a snippet of dmesg that was before the drive was swapped:

Nov 22 09:58:04 juan kernel: ad3: UDMA ICRC error cmd=read fsbn 0 of 0-15
retrying
Nov 22 09:58:04 juan last message repeated 2 times
Nov 22 09:58:04 juan kernel: ad3: UDMA ICRC error cmd=read fsbn 0 of 0-15
falling back to PIO mode
Nov 22 09:58:40 juan kernel: ad2: UDMA ICRC error cmd=write fsbn 1756413 of
1756413-1756497 retrying
Nov 22 09:58:40 juan last message repeated 2 times
Nov 22 09:58:41 juan kernel: ad2: UDMA ICRC error cmd=write fsbn 34624421 of
34624421-34624548 retrying
Nov 22 09:58:42 juan kernel: ad2: UDMA ICRC error cmd=write fsbn 41273248 of
41273248-41273374 retrying
Nov 22 09:58:42 juan last message repeated 2 times
Nov 22 09:58:42 juan kernel: ad2: UDMA ICRC error cmd=write fsbn 41273248 of
41273248-41273374 falling back to PIO mode

After replacing the drive, error gone.



Regards,
Nick H.
Network Operations Center
nickh_at_supportteam.net

Please rate my performance! http://www.supportteam.net/rate.php3
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----- Original Message ----- 
From: "Nick H. -- Network Operations" <nickh_at_supportteam.net>
To: "Valentin Nechayev" <netch_at_netch.kiev.ua>; <current_at_freebsd.org>
Sent: Saturday, November 22, 2003 5:45 AM
Subject: Re: geom<->ata forever cycle


> Personally I dont think this is GEOM related.  I had a drive start doing
> this to me (happens often as I work in a large datacenter) and the drive
is
> about to die.  What brand drive is it and how old is it?  You may waanna
> look into replacing the drive if you have that option.  I had one tonight
> that did that to me, swap the drive, fixed.
>
>
>
> Regards,
> Nick H.
> Network Operations Center
> nickh_at_supportteam.net
>
> Please rate my performance! http://www.supportteam.net/rate.php3
> Please submit all new support requests to
> http://ticketmonster.hostingsupport.com/
> -------------------------------------------
> Privileged/Confidential Information may be contained in this message.  If
> you are not the addressee indicated in this message (or responsible for
> delivery of the message to such person), you may not copy or deliver this
> message to anyone.  In such case, you should destroy this message and
kindly
> notify the sender by reply email.  Please advise immediately if you or
your
> employer do not consent to Internet email for messages of this kind.
> Opinions, conclusions and other information in this message that do not
> relate to the official business of my firm shall be understood as neither
> given nor endorsed by it.
>
> ----- Original Message ----- 
> From: "Valentin Nechayev" <netch_at_netch.kiev.ua>
> To: <current_at_freebsd.org>
> Sent: Saturday, November 22, 2003 5:08 AM
> Subject: geom<->ata forever cycle
>
>
> > 5.1-current of 2003-11-20 hangs during kernel initialization with
forever
> > cycle around geom partitioning detection and ATA read failure.
> > Message rate is too fast to record, no stopping is available, no serial
> > console.
> >
> > Previous 5-current on this machine was of 2003-05-23.
> > How to diagnose?
> > dmesg of May's current says:
> >
> > start_init: trying /sbin/init
> > ad0: UDMA ICRC error cmd=read fsbn 4397730 of 4397730-4397857 retrying
> > ad0: UDMA ICRC error cmd=read fsbn 4398442 of 4398442-4398569 retrying
> > ad0: UDMA ICRC error cmd=read fsbn 4398442 of 4398442-4398569 retrying
> > ad0: UDMA ICRC error cmd=read fsbn 4398442 of 4398442-4398569 retrying
> > ad0: UDMA ICRC error cmd=read fsbn 4398442 of 4398442-4398569ad0:
success
> settin
> > g PIO4 on Intel ICH2 chip
> >  falling back to PIO mode
> >
> > Main FreeBSD here is 4.9-release which doesn't complaint to crc errors.
> >
> > Kernel config wasn't changed:
> >
> > machine i386
> > cpu I486_CPU
> > cpu I586_CPU
> > cpu I686_CPU
> > ident nn15
> > maxusers 0
> >
> > #To statically compile in device wiring instead of /boot/device.hints
> > hints "GENERIC.hints" #Default places to look for devices.
> >
> > makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
> >
> > options SCHED_4BSD
> > options INET #InterNETworking
> > options INET6 #IPv6 communications protocols
> > options FFS #Berkeley Fast Filesystem
> > options SOFTUPDATES #Enable FFS soft updates support
> > #options UFS_ACL #Support for access control lists
> > options UFS_DIRHASH #Improve performance on big directories
> > options MSDOSFS #MSDOS Filesystem
> > options CD9660 #ISO 9660 Filesystem
> > options PROCFS #Process filesystem (requires PSEUDOFS)
> > options PSEUDOFS #Pseudo-filesystem framework
> > options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
> > options COMPAT_FREEBSD4 #Compatible with FreeBSD4
> > options KTRACE #ktrace(1) support
> > options SYSVSHM #SYSV-style shared memory
> > options SYSVMSG #SYSV-style message queues
> > options SYSVSEM #SYSV-style semaphores
> > options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
> > options KBD_INSTALL_CDEV # install a CDEV entry in /dev
> >
> > # Debugging for use in -current
> > options DDB #Enable the kernel debugger
> > options INVARIANTS #Enable calls of extra sanity checking
> > options INVARIANT_SUPPORT #Extra sanity checks of internal structures,
> required by INVARIANTS
> > options WITNESS #Enable checks to detect deadlocks and cycles
> > options WITNESS_SKIPSPIN #Don't run witness on spinlocks for speed
> >
> > device isa
> > device pci
> >
> > # ATA and ATAPI devices
> > device ata
> > device atadisk # ATA disk drives
> > device atapicd # ATAPI CDROM drives
> > options ATA_STATIC_ID #Static device numbering
> >
> > # atkbdc0 controls both the keyboard and the PS/2 mouse
> > device atkbdc # AT keyboard controller
> > device atkbd # AT keyboard
> > device psm # PS/2 mouse
> >
> > device vga # VGA video card driver
> >
> > device splash # Splash screen and screen saver support
> >
> > # syscons is the default console driver, resembling an SCO console
> > device sc
> >
> > device agp # support several AGP chipsets
> >
> > # Floating point support - do not disable.
> > device npx
> >
> > # Add suspend/resume support for the i8254.
> > device pmtimer
> >
> > # Serial (COM) ports
> > device sio # 8250, 16[45]50 based serial ports
> >
> > # Pseudo devices - the number indicates how many units to allocate.
> > device random # Entropy device
> > device ether
> > device loop # Network loopback
> > device ppp # Kernel PPP
> > device tun # Packet tunnel.
> > device pty # Pseudo-ttys (telnet etc)
> > device md # Memory "disks"
> >
> > # The `bpf' device enables the Berkeley Packet Filter.
> > # Be aware of the administrative consequences of enabling this!
> > device bpf # Berkeley packet filter
> >
> > device speaker #Play IBM BASIC-style noises out your speaker
> >
> > # To include support for VGA VESA video modes
> > options VESA
> >
> > # Turn on extra debugging checks and output for VESA support.
> > options VESA_DEBUG
> >
> > # Enable i386 a.out binary support
> > options COMPAT_AOUT
> >
> > # Enable the linux-like proc filesystem support (requires COMPAT_LINUX
> > # and PSEUDOFS)
> > options COMPAT_LINUX
> > options LINPROCFS
> >
> > options MSGBUF_SIZE=131072
> > #options GEOM_BSD
> > #options GEOM_MBR
> > options DDB_TRACE
> > # KTRACE_REQUEST_POOL option specifies the initial size of this store.
> > # The size of the pool can be adjusted both at boottime and runtime via
> > # the kern.ktrace_request_pool tunable and sysctl.
> > #
> > options KTRACE #kernel tracing
> > options KTRACE_REQUEST_POOL=101
> > options IPFIREWALL #firewall
> > options IPFIREWALL_VERBOSE #enable logging to syslogd(8)
> > options IPFIREWALL_DEFAULT_TO_ACCEPT #allow everything by default
> > options RANDOM_IP_ID
> > options TCP_DROP_SYNFIN #drop TCP packets with SYN+FIN
> > # The rest are optional:
> > options MSDOSFS #MS DOS File System (FAT, FAT32)
> > options LIBICONV
> > options SC_HISTORY_SIZE=1500 # number of history buffer lines
> > options SC_MOUSE_CHAR=0x3 # char code for text mode mouse cursor
> > options SC_KERNEL_CONS_ATTR=(FG_GREEN|BG_BLACK)
> > options SC_KERNEL_CONS_REV_ATTR=(FG_BLACK|BG_GREEN)
> > device pcm
> > device smbus # Bus support, required for smb below.
> > device intpm
> > device ichsmb
> > device smb
> > device iicbus # Bus support, required for ic/iic/iicsmb below.
> > device iicbb
> > device ic
> > device iic
> > device iicsmb # smb over i2c bridge
> >
> > No loader variables for ATA is set.
> >
> >
> > -netch-
> > _______________________________________________
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