Date: Mon, 4 Dec 2000 12:36:00 -0500 From: Vivek Khera <khera@kciLink.com> To: stable@freebsd.org Subject: scary looking bt0 kernel messages Message-ID: <14891.54784.516820.902042@onceler.kciLink.com>
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I found these in my daily email message for one of my servers:
> bt0: Encountered busy mailbox with 191 out of 192 commands active!!!
> bt0: btdone - Attempt to free non-active BCCB 0xcb36e740
> (da0:bt0:0:0:0): CCB 0xcb36db40 - timed out
> bt0: btdone - Attempt to free non-active BCCB 0xcb36d3c0
> (da0:bt0:0:0:0): CCB 0xcb36db40 - timed out
> bt0: No longer in timeout
Where can I find out more about the implications of these messages?
Ie, is some tuning required or is something about to die?
I'm about to upgrade the box to 4.2-STABLE built from cvsup of last
Thursday, in case it is a driver issue.
Thanks.
dmesg output from the machine:
Copyright (c) 1992-2000 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 4.1.1-STABLE #0: Fri Oct 20 12:45:13 EDT 2000
khera@yertle.kciLink.com:/u/yertle2/usr.obj/amd/onceler/u/onceler1/usr/src/sys/BRC
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium II/Pentium II Xeon/Celeron (451.02-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x652 Stepping = 2
Features=0x183fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory = 268369920 (262080K bytes)
avail memory = 258654208 (252592K bytes)
Preloaded elf kernel "kernel" at 0xc02af000.
Pentium Pro MTRR support enabled
apm0: <APM BIOS> on motherboard
apm: found APM BIOS v1.2, connected at v1.2
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
pci0: <Intel PIIX4 ATA controller> at 7.1
pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 7.2 irq 11
intpm0: <Intel 82371AB Power management controller> port 0x440-0x44f irq 9 at device 7.3 on pci0
intpm0: I/O mapped 440
intpm0: intr SMI disabled revision 0
smbus0: <System Management Bus> on intsmb0
smb0: <SMBus general purpose I/O> on smbus0
intpm0: PM I/O mapped 400
bt0: <Buslogic Multi-Master SCSI Host Adapter> port 0xeff4-0xeff7 mem 0xfebef000-0xfebeffff irq 10 at device 16.0 on pci0
bt0: BT-958 FW Rev. 5.07B Ultra Wide SCSI Host Adapter, SCSI ID 7, 192 CCBs
bt1: <Buslogic Multi-Master SCSI Host Adapter> port 0xeff0-0xeff3 mem 0xfebee000-0xfebeefff irq 9 at device 17.0 on pci0
bt1: BT-958 FW Rev. 5.07B Ultra Wide SCSI Host Adapter, SCSI ID 7, 192 CCBs
pci0: <S3 ViRGE graphics accelerator> at 18.0 irq 0
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xef40-0xef5f mem 0xfea00000-0xfeafffff,0xf65ff000-0xf65fffff irq 10 at device 20.0 on pci0
fxp0: Ethernet address 00:90:27:23:a8:67
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
vga0: <Generic ISA VGA> at port 0x3b0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x100>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A, console
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
IP packet filtering initialized, divert disabled, rule-based forwarding disabled, default to accept, unlimited logging
Waiting 5 seconds for SCSI devices to settle
sa0 at bt0 bus 0 target 5 lun 0
sa0: <HP C1533A 9503> Removable Sequential Access SCSI-2 device
sa0: 10.000MB/s transfers (10.000MHz, offset 8)
da0 at bt0 bus 0 target 0 lun 0
da0: <SEAGATE ST34573LW 6246> Fixed Direct Access SCSI-2 device
da0: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing Enabled
da0: 4340MB (8888924 512 byte sectors: 255H 63S/T 553C)
da1 at bt1 bus 0 target 0 lun 0
da1: <SEAGATE ST39173LW 6246> Fixed Direct Access SCSI-2 device
da1: 20.000MB/s transfers (10.000MHz, offset 15, 16bit), Tagged Queueing Enabled
da1: 8683MB (17783240 512 byte sectors: 255H 63S/T 1106C)
Mounting root from ufs:/dev/da0s1a
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