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SubjectRe: UNABLE TO BOOT WITH 2nd SCSI DRIVE
Date
Check to make sure the SCSI IDs assigned on the drives (see the jumpers on
each drive) are all unique. 2 drives set with no jumpers to the same ID
(SCSI #0) will not let your system boot...all drives must be unique.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Jim Roland, RHCE (RedHat Certified Engineer)
Owner, Roland Internet Services
"The four surefire rules for success: Show up, Pay attention, Ask
questions, Don't quit."
--Rob Gilbert, PH.D.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

----- Original Message -----
From: "jimmy" <x55k@yahoo.com>
To: <linux-kernel@vger.kernel.org>
Sent: Thursday, October 18, 2001 6:33 PM
Subject: UNABLE TO BOOT WITH 2nd SCSI DRIVE


> Hello,
>
> I hope you can shed a light to my problem. The server
> works just fine with a single SCSI drive.
> Unfortunately, when we add the 2nd SCSI drive, the
> system does not boot.
>
> VFS: Cannot open root dev "802" or 08:02
> Please append correct "root=" boot option
> Kernel panic: VFS: Unable to mount root fs on 08:02
>
> We have tried all SCSI ID combinations with no
> success. LILO 'append="root=/dev/sda2"' command line
> does not work. 802 above is our /dev/sda2 root
> partition. We thought Adaptec driver is reshuffling
> the drives however 'AIC7XXX=no_reset' LILO command
> line does not work either.
>
> I would be forever grateful if someone can offer a
> hand.
>
> Many thanks in advance for taking your time.
>
> Jimmy
>
> PS: Sorry if it looks like a cross-post. Server is
> running out of disk space and we need to get the 2nd
> drive added to the system. My apologies.
>
> Here is some diagnostic information:
>
> P3 866 MHz, BX M/b, 512 MB Ram, 9.1 GB SCSI IBM hd.
> (works fine)
> 2nd HD: Cheetah 15000 RPM 36 GB hd (gives problem when
> added to the system)
> Adaptec 29160 Ultra160 SCSI adapter
>
> Redhat 7.1, 2.4.2 Enterprise kernel (Adaptec Driver is
> built into the kernel, not as module)
>
> Kernel command line:
> auto BOOT_IMAGE=x ro root=802
> BOOT_FILE=/boot/vmlinuz-2.4.2-2enterprise
> root=/dev/sda2
>
> /proc/scsi/scsi:
> Attached devices:
> Host: scsi0 Channel: 00 Id: 06 Lun: 00
> Vendor: IBM Model: DNES-309170W Rev: SAH0
> Type: Direct-Access ANSI SCSI
> revision: 03
>
> /etc/lilo.conf:
> boot=/dev/sda
> map=/boot/map
> install=/boot/boot.b
> prompt
> timeout=5
> message=/boot/message
> linear
> default=x
> append="root=/dev/sda2"
>
> image=/boot/vmlinuz-2.4.2-2
> label=linux
> initrd=/boot/initrd-2.4.2-2.img
> read-only
> root=/dev/sda2
>
> image=/boot/vmlinuz-2.4.2-2enterprise
> label=x5
> # initrd=/boot/initrd-2.4.2-2enterprise.img
> read-only
> root=/dev/sda2
>
>
> DMESG:
> Linux version 2.4.2-2enterprise (root@localhost) (gcc
> version 2.96 20000731 (X Net 5.0 2.96-81)) #1 Sun May
> 13 12:35:36 GM
> T+4 2001
> BIOS-provided physical RAM map:
> BIOS-e820: 000000000009fc00 @ 0000000000000000
> (usable)
> BIOS-e820: 0000000000000400 @ 000000000009fc00
> (usable)
> BIOS-e820: 0000000000010000 @ 00000000000f0000
> (reserved)
> BIOS-e820: 0000000000500000 @ 00000000ffb00000
> (reserved)
> BIOS-e820: 000000001fdf0000 @ 0000000000100000
> (usable)
> BIOS-e820: 000000000000d000 @ 000000001fef3000 (ACPI
> data)
> BIOS-e820: 0000000000003000 @ 000000001fef0000 (ACPI
> NVS)
> Scan SMP from 40000000 for 1024 bytes.
> Scan SMP from 4009fc00 for 1024 bytes.
> Scan SMP from 400f0000 for 65536 bytes.
> Scan SMP from 40000000 for 4096 bytes.
> On node 0 totalpages: 130800
> zone(0): 4096 pages.
> zone DMA has max 32 cached pages.
> zone(1): 126704 pages.
> zone Normal has max 989 cached pages.
> zone(2): 0 pages.
> zone HighMem has max 1 cached pages.
> Local APIC disabled by BIOS -- reenabling.
> Found and enabled local APIC!
> mapped APIC to ffffe000 (fee00000)
> Kernel command line: auto BOOT_IMAGE=x ro root=802
> BOOT_FILE=/boot/vmlinuz-2.4.2-2enterprise
> root=/dev/sda2
> Initializing CPU#0
> Detected 868.653 MHz processor.
> Console: colour VGA+ 80x25
> Calibrating delay loop... 1730.15 BogoMIPS
> Memory: 512088k/523200k available (1451k kernel code,
> 10724k reserved, 78k data, 180k init, 0k highmem)
> Dentry-cache hash table entries: 65536 (order: 7,
> 524288 bytes)
> Buffer-cache hash table entries: 32768 (order: 5,
> 131072 bytes)
> Page-cache hash table entries: 131072 (order: 8,
> 1048576 bytes)
> Inode-cache hash table entries: 32768 (order: 6,
> 262144 bytes)
> VFS: Diskquotas version dquot_6.5.0 initialized
> CPU: Before vendor init, caps: 0387fbff 00000000
> 00000000, vendor = 0
> CPU: L1 I cache: 16K, L1 D cache: 16K
> CPU: L2 cache: 256K
> Intel machine check architecture supported.
> Intel machine check reporting enabled on CPU#0.
> CPU: After vendor init, caps: 0387fbff 00000000
> 00000000 00000000
> CPU serial number disabled.
> CPU: After generic, caps: 0383fbff 00000000 00000000
> 00000000
> CPU: Common caps: 0383fbff 00000000 00000000 00000000
> CPU: Intel Pentium III (Coppermine) stepping 06
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Checking 'hlt' instruction... OK.
> POSIX conformance testing by UNIFIX
> Getting VERSION: 40011
> Getting VERSION: 40011
> Getting ID: 0
> Getting ID: f000000
> Getting LVT0: 700
> Getting LVT1: 400
> enabled ExtINT on CPU#0
> ESR value before enabling vector: 00000040
> ESR value after enabling vector: 00000000
> calibrating APIC timer ...
> ..... CPU clock speed is 868.6803 MHz.
> ..... host bus clock speed is 133.6430 MHz.
> cpu: 0, clocks: 1336430, slice: 668215
> CPU0<T0:1336416,T1:668192,D:9,S:668215,C:1336430>
> mtrr: v1.37 (20001109) Richard Gooch
> (rgooch@atnf.csiro.au)
> mtrr: detected mtrr type: Intel
> PCI: PCI BIOS revision 2.10 entry at 0xfb120, last
> bus=1
> PCI: Using configuration type 1
> PCI: Probing PCI hardware
> Unknown bridge resource 2: assuming transparent
> PCI: Using IRQ router PIIX [8086/2440] at 00:1f.0
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society
> NET3.039
> Initializing RT netlink socket
> Starting kswapd v1.8
> Detected PS/2 Mouse Port.
> pty: 256 Unix98 ptys configured
> block: queued sectors max/low 340021kB/208949kB, 1024
> slots per queue
> Uniform Multi-Platform E-IDE driver Revision: 6.31
> ide: Assuming 33MHz system bus speed for PIO modes;
> override with idebus=xx
> hdc: ATAPI 48X CDROM, ATAPI CD/DVD-ROM drive
> ide1 at 0x170-0x177,0x376 on irq 15
> hdc: ATAPI 48X CD-ROM drive, 128kB Cache
> Uniform CD-ROM driver Revision: 3.12
> NET4: Frame Diverter 0.46
> loop: loaded (max 8 devices)
> i810_rng: cannot reserve RNG region
> Software Watchdog Timer: 0.05, timer margin: 60 sec
> eepro100.c:v1.09j-t 9/29/99 Donald Becker
> http://cesdis.gsfc.nasa.gov/linux/drivers/eepro100.html
> eepro100.c: $Revision: 1.36 $ 2000/11/17 Modified by
> Andrey V. Savochkin <saw@saw.sw.com.sg> and others
> PCI: Found IRQ 12 for device 01:02.0
> divert: allocating divert_blk for eth0
> eth0: Intel Corporation 82557 [Ethernet Pro 100],
> 00:D0:B7:BD:D2:84, I/O at 0xc400, IRQ 12.
> Board assembly 721383-009, Physical connectors
> present: RJ45
> Primary interface chip i82555 PHY #1.
> General self-test: passed.
> Serial sub-system self-test: passed.
> Internal registers self-test: passed.
> ROM checksum self-test: passed (0x04f4518b).
> cipcb: CIPE driver vers 1.4.5 (c) Olaf Titz 1996-2000,
> 100 channels, debug=1
> cipcb: cipe_alloc_dev 0
> divert: not allocating divert_blk for non-ethernet
> device cipcb0
> divert: not allocating divert_blk for non-ethernet
> device dummy0
> Linux agpgart interface v0.99 (c) Jeff Hartmann
> agpgart: Maximum main memory to use for agp memory:
> 438M
> agpgart: agpgart: Detected an Intel i815 Chipset.
> agpgart: AGP aperture is 64M @ 0xd0000000
> [drm] AGP 0.99 on Intel i810 @ 0xd0000000 64MB
> [drm] Initialized i810 1.1.0 20000928 on minor 63
> SCSI subsystem driver Revision: 1.00
> request_module[scsi_hostadapter]: Root fs not mounted
> PCI: Found IRQ 11 for device 01:00.0
> IRQ routing conflict in pirq table for device 00:1f.4
> scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER,
> Rev 6.1.7
> <Adaptec 29160 Ultra160 SCSI adapter>
> aic7892: Wide Channel A, SCSI Id=7, 32/255
> SCBs
>
> Vendor: IBM Model: DNES-309170W Rev: SAH0
> Type: Direct-Access ANSI SCSI
> revision: 03
> scsi0:0:6:0: Tagged Queuing enabled. Depth 8
> Attached scsi disk sda at scsi0, channel 0, id 6, lun
> 0
> (scsi0:A:6): 40.000MB/s transfers (20.000MHz, offset
> 31, 16bit)
> SCSI device sda: 17916240 512-byte hdwr sectors (9173
> MB)
> Partition check:
> sda: sda1 sda2 sda3
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP
> IP: routing cache hash table of 4096 buckets, 32Kbytes
> TCP: Hash tables configured (established 32768 bind
> 32768)
> ip_conntrack (4087 buckets, 32696 max)
> ip_tables: (c)2000 Netfilter core team
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> VFS: Mounted root (ext2 filesystem) readonly.
> Freeing unused kernel memory: 180k freed
> Adding Swap: 120476k swap-space (priority -1)
>
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