I had this same problem. I ended up going back to the 1.99.7 kernel, which does not have this problem. I haven't yet tested the newer kernels.
At 09:44 PM 8/4/96 PDT, Danny Heap wrote: >----------------------------------------------------------------- >1. Summary >----------------------------------------------------------------- > >My 2.0.0 kernel using the aic7xxx driver corrupts the superblock of my >root filesystem (panics at boot, thinking it is an MS-DOS fs). My >1.2.13 kernel, using aha274x doesn't corrupt it. I'd like to know >whether this corresponds to a problem fixed in 2.0.n (for n>0), or >what I should do now. > >----------------------------------------------------------------- >Contents of this post: > >1. Summary (above) >2. Hardware/software setup >3. Fuller description of the problem. >4. Extracts from /var/adm/messages >----------------------------------------------------------------- > >----------------------------------------------------------------- >2. Hardware/software setup >----------------------------------------------------------------- > >486DX-2/66, ASUS VLB >Adaptec 2842 scsi controller >Conner CFP1080S scsi disk >Toshiba scsi CDROM model: XM-3501TA >HP scsi tape: Model: HP35470A >Teac 1.44 floppy >Two kernels: >1.2.13, built using aha274x (aha274x.h v1.11, aha274x.c v1.29) > custom-built from debian 0.93R6 >2.0.0, built using aic7xxx (aic7xxx.h v3.1, aic7xxx.c v3.2) > custom-built from debian 1.1 > >The kernel is configured for scsi, scsi disk, scsi tape, and scsi >cdrom support, as well as the appropriate driver. ISO9660 fs support >is loaded as a module. > >----------------------------------------------------------------- >3. Fuller description of problem >----------------------------------------------------------------- > >I upgraded my system from debian 0.93R6 to debian 1.1 (except for the >distribution kernel, which wouldn't boot). I then built a custom >kernel for my machine, including support for my controller (aic7xxx). >I ran this several times over about four days, and then began to make >installation disks (for another machine), using "dd" to write files >from my cdrom to the floppies. While "dd" was writing the fourth >disk, I had a kernel panic, which I wrote down (figuring it wouldn't >necessarily get written to /var/adm/messages): > > aic7xxx (aic7xxx_isr) BRKADRINT error (0xff): > Illegal Host Access > Illegal Sequencer Address referenced > Illegal Opcode in sequencer program > Sequencer RAM parity error > Kernel panic aic7xxx: (aic7xxx_isr) > >Sure enough, it wasn't written to /var/adm/messages, although there is >a message (also echoed to the terminal) each time the cdrom is >mounted (didn't happen under the old kernel): > > ISO9660 Extensions: RRIP_1991A > >At this point, I had to do a hard reboot and let fsck fix any damage. >I poked around for clues, and then wrote the remaining installations >disks. I then got another message: > > ISO9660 Extensions: RRIP_1991A > scsi0: MEDIUM ERROR on channel 0, id 0, lun 0, CDB: 0x08 01 37 > 3a 08 0 > Current error sr0b:00: sns = f0 3 > ASC=15 ASCQ= 0 > Raw sense data:0xf0 0x00 0x03 0x17 0x46 0x01 0x00 0x0a 0x00 > 0x00 0x00 0x00 0x15 0x00 0x00 0x00 > CD-ROM I/O error: dev 0b:00, sector 318696 > >At this point, I rebooted with "shutdown ..." and found that my root >filesystem could not be mounted. I used my emergency disks to run >fsck, and found that the superblock was corrupted. I used an >alternate superblock, and the problem (bad free block count) was >fixed. > >At this point I found I could boot repeatedly with my old (1.2.13, >aha274x) kernel, with no apparent ill effects. However, if I booted >with my new (2.0.0, aic7xxx) kernel, I would boot successfully, but >the *next* boot would stop at the partition check, finding the root >filesystem unmountable (and a message suggesting that it is an MS-DOS >fs --- I have no MS-DOS fs!). The message begins: > > [MS-DOS FS Rel.12, ... > >I tried passing "aic7xxx=extended,no_reset" at boot time. Although >this skipped the scsi bus reset, it didn't seem to solve the problem. > >----------------------------------------------------------------- >4. Extracts from /var/adm/messages >----------------------------------------------------------------- > >Here's what the aic7xxx kernel boot sequence looks like. The "cannot >find map" message seems to be because the custom kernel System.map is >not in /boot (I just noticed that it *is* in the >/usr/src/kernel... directory). >++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > >Aug 3 13:54:06 riel syslogd 1.3-0#6: restart. >Aug 3 13:54:07 riel kernel: klogd 1.3-0, log source = /proc/kmsg started. >Aug 3 13:54:07 riel syslogd 1.3-0#6: restart. >Aug 3 13:54:07 riel kernel: Cannot find map file. >Aug 3 13:54:07 riel kernel: Console: 16 point font, 400 scans >Aug 3 13:54:07 riel kernel: Console: colour VGA+ 80x25, 1 virtual console (max 63) >Aug 3 13:54:07 riel kernel: Calibrating delay loop.. ok - 33.18 BogoMIPS >Aug 3 13:54:07 riel kernel: Memory: 14876k/16384k available (656k kernel code, 384k reserved, 468k data) >Aug 3 13:54:07 riel kernel: This processor honours the WP bit even when in supervisor mode. Good. >Aug 3 13:54:07 riel kernel: Swansea University Computer Society NET3.035 for Linux 2.0 >Aug 3 13:54:07 riel kernel: NET3: Unix domain sockets 0.12 for Linux NET3.035. >Aug 3 13:54:07 riel kernel: Swansea University Computer Society TCP/IP for NET3.034 >Aug 3 13:54:07 riel kernel: IP Protocols: ICMP, UDP, TCP >Aug 3 13:54:07 riel kernel: Checking 386/387 coupling... Ok, fpu using exception 16 error reporting. >Aug 3 13:54:07 riel kernel: Checking 'hlt' instruction... Ok. >Aug 3 13:54:07 riel kernel: Linux version 2.0.0 ([EMAIL PROTECTED]) (gcc >version 2.7.2) #1 Tue Jul 30 19:35:51 PDT 1996 >Aug 3 13:54:07 riel kernel: Serial driver version 4.13 with no serial options enabled >Aug 3 13:54:07 riel kernel: tty00 at 0x03f8 (irq = 4) is a 16550A >Aug 3 13:54:07 riel kernel: tty01 at 0x02f8 (irq = 3) is a 16550A >Aug 3 13:54:07 riel kernel: Ramdisk driver initialized : 16 ramdisks of 4096K size >Aug 3 13:54:07 riel kernel: Floppy drive(s): fd0 is 1.44M >Aug 3 13:54:07 riel kernel: Started kswapd v 1.4.2.2 >Aug 3 13:54:07 riel kernel: FDC 0 is a post-1991 82077 >Aug 3 13:54:07 riel kernel: aic7xxx: Reading SEEPROM...done. >Aug 3 13:54:07 riel kernel: aic7xxx: Extended translation disabled. >Aug 3 13:54:07 riel kernel: aic7xxx: AHA-2840 Rev E and subsequent. >Aug 3 13:54:07 riel kernel: aic7xxx: Using 4 SCB's after checking for SCB memory. >Aug 3 13:54:07 riel kernel: aic7xxx: Using level sensitive interrupts. >Aug 3 13:54:07 riel kernel: AHA-2840 AT VLB SLOT 1: >Aug 3 13:54:07 riel kernel: irq 11 >Aug 3 13:54:07 riel kernel: bus release time 40 bclks >Aug 3 13:54:07 riel kernel: data fifo threshold 100% >Aug 3 13:54:07 riel kernel: SCSI CHANNEL A: >Aug 3 13:54:07 riel kernel: scsi id 7 >Aug 3 13:54:07 riel kernel: scsi selection timeout 256 ms >Aug 3 13:54:07 riel kernel: scsi bus reset at power-on enabled >Aug 3 13:54:07 riel kernel: scsi bus parity enabled >Aug 3 13:54:07 riel kernel: scsi bus termination (low byte) enabled >Aug 3 13:54:07 riel kernel: aic7xxx: Downloading sequencer code...done. >Aug 3 13:54:07 riel kernel: aic7xxx: Resetting the SCSI bus...done. >Aug 3 13:54:07 riel kernel: scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 3.2/3.1/3.0 >Aug 3 13:54:07 riel kernel: scsi : 1 host. >Aug 3 13:54:07 riel kernel: aic7xxx: Scanning channel A for devices. >Aug 3 13:54:07 riel kernel: aic7xxx: Target 0, channel A, now synchronous at 4.0MHz, offset(0xf). >Aug 3 13:54:07 riel kernel: Vendor: TOSHIBA Model: CD-ROM XM-3501TA Rev: 3384 >Aug 3 13:54:07 riel kernel: Type: CD-ROM ANSI SCSI revision: 02 >Aug 3 13:54:07 riel kernel: Detected scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0 >Aug 3 13:54:07 riel kernel: aic7xxx: Target 3, channel A, now synchronous at 5.0MHz, offset(0xf). >Aug 3 13:54:07 riel kernel: Vendor: HP Model: HP35470A Rev: T503 >Aug 3 13:54:07 riel kernel: Type: Sequential-Access ANSI SCSI revision: 02 >Aug 3 13:54:07 riel kernel: Detected scsi tape st0 at scsi0, channel 0, id 3, lun 0 >Aug 3 13:54:07 riel kernel: aic7xxx: Target 6, channel A, now synchronous at 10.0MHz, offset(0xf). >Aug 3 13:54:07 riel kernel: Vendor: CONNER Model: CFP1080S Rev: 3939 >Aug 3 13:54:07 riel kernel: Type: Direct-Access ANSI SCSI revision: 02 >Aug 3 13:54:07 riel kernel: Detected scsi disk sda at scsi0, channel 0, id 6, lun 0 >Aug 3 13:54:07 riel kernel: scsi : detected 1 SCSI tape 1 SCSI cdrom 1 SCSI disk total. >Aug 3 13:54:07 riel kernel: SCSI device sda: hdwr sector= 512 bytes. Sectors= 2110812 [1030 MB] [1.0 GB] >Aug 3 13:54:07 riel kernel: Partition check: >Aug 3 13:54:07 riel kernel: sda: sda1 sda2 sda3 < sda5 sda6 sda7 > sda4 >Aug 3 13:54:07 riel kernel: VFS: Mounted root (ext2 filesystem) readonly. >Aug 3 13:54:07 riel kernel: Adding Swap: 32764k swap-space >Aug 3 13:54:07 riel kernel: CSLIP: code copyright 1989 Regents of the University of California >Aug 3 13:54:07 riel kernel: PPP: version 2.2.0 (dynamic channel allocation) >Aug 3 13:54:07 riel kernel: PPP Dynamic channel allocation code copyright 1995 Caldera, Inc. >Aug 3 13:54:07 riel kernel: PPP line discipline registered. >Aug 3 13:54:07 riel kernel: lp1 at 0x0378, (polling) >Aug 3 14:03:04 riel syslogd: exiting on signal 15 >+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > >Here's what the boot for the aha274x looks like. There's also a >message about "cannot find map" but I can't fix this one as easily >because I attempted to rebuild this kernel with my new elf-ized >setup. The build failed (maybe 1.2.13 can't be elf-ish), but I had >cleaned up the area (make mrproper). >++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > >Aug 3 14:56:05 riel syslogd 1.3-0#6: restart. >Aug 3 14:56:05 riel kernel: klogd 1.3-0, log source = /proc/kmsg started. >Aug 3 14:56:06 riel syslogd 1.3-0#6: restart. >Aug 3 14:56:06 riel kernel: Cannot find map file. >Aug 3 14:56:06 riel kernel: Console: colour EGA+ 80x25, 1 virtual console (max 63) >Aug 3 14:56:06 riel kernel: Calibrating delay loop.. ok - 33.55 BogoMips >Aug 3 14:56:06 riel kernel: Serial driver version 4.11 with no serial options enabled >Aug 3 14:56:06 riel kernel: tty00 at 0x03f8 (irq = 4) is a 16550A >Aug 3 14:56:06 riel kernel: tty01 at 0x02f8 (irq = 3) is a 16550A >Aug 3 14:56:06 riel kernel: Floppy drive(s): fd0 is 1.44M >Aug 3 14:56:06 riel kernel: FDC 0 is a post-1991 82077 >Aug 3 14:56:06 riel kernel: aha274x: extended translation disabled >Aug 3 14:56:06 riel kernel: AHA284X AT SLOT 1: >Aug 3 14:56:06 riel kernel: irq 11 >Aug 3 14:56:06 riel kernel: bus release time 40 bclks >Aug 3 14:56:06 riel kernel: data fifo threshold 100% >Aug 3 14:56:06 riel kernel: SCSI CHANNEL A: >Aug 3 14:56:06 riel kernel: scsi id 7 >Aug 3 14:56:06 riel kernel: scsi bus parity check enabled >Aug 3 14:56:06 riel kernel: scsi selection timeout 256 ms >Aug 3 14:56:06 riel kernel: scsi bus reset at power-on enabled >Aug 3 14:56:06 riel kernel: scsi0 : Adaptec AHA274x/284x (EISA/VL-bus -> Fast SCSI) 1.28/1.11/1.29 >Aug 3 14:56:06 riel kernel: scsi : 1 host. >Aug 3 14:56:06 riel kernel: aha274x: target 0 now synchronous at 4.0Mb/s >Aug 3 14:56:06 riel kernel: Vendor: TOSHIBA Model: CD-ROM XM-3501TA Rev: 3384 >Aug 3 14:56:06 riel kernel: Type: CD-ROM ANSI SCSI revision: 02 >Aug 3 14:56:06 riel kernel: Detected scsi CD-ROM sr0 at scsi0, id 0, lun 0 >Aug 3 14:56:06 riel kernel: aha274x: target 3 now synchronous at 5.0Mb/s >Aug 3 14:56:06 riel kernel: Vendor: HP Model: HP35470A Rev: T503 >Aug 3 14:56:06 riel kernel: Type: Sequential-Access ANSI SCSI revision: 02 >Aug 3 14:56:06 riel kernel: Detected scsi tape st0 at scsi0, id 3, lun 0 >Aug 3 14:56:06 riel kernel: aha274x: target 6 now synchronous at 10.0Mb/s >Aug 3 14:56:06 riel kernel: Vendor: CONNER Model: CFP1080S Rev: 3939 >Aug 3 14:56:06 riel kernel: Type: Direct-Access ANSI SCSI revision: 02 >Aug 3 14:56:06 riel kernel: Detected scsi disk sda at scsi0, id 6, lun 0 >Aug 3 14:56:06 riel kernel: scsi : detected 1 SCSI tape 1 SCSI cdrom 1 SCSI disk total. >Aug 3 14:56:06 riel kernel: SCSI Hardware sector size is 512 bytes on device sda >Aug 3 14:56:06 riel kernel: Memory: 15072k/16384k available (604k kernel code, 384k reserved, 324k data) >Aug 3 14:56:06 riel kernel: This processor honours the WP bit even when in supervisor mode. Good. >Aug 3 14:56:06 riel kernel: Swansea University Computer Society NET3.019 >Aug 3 14:56:06 riel kernel: Swansea University Computer Society TCP/IP for NET3.019 >Aug 3 14:56:06 riel kernel: IP Protocols: ICMP, UDP, TCP >Aug 3 14:56:06 riel kernel: Checking 386/387 coupling... Ok, fpu using exception 16 error reporting. >Aug 3 14:56:06 riel kernel: Checking 'hlt' instruction... Ok. >Aug 3 14:56:06 riel kernel: Linux version 1.2.13 ([EMAIL PROTECTED]) (gcc >version 2.6.3) #2 Thu Jul 11 20:26:36 PDT 1996 >Aug 3 14:56:06 riel kernel: Partition check: >Aug 3 14:56:06 riel kernel: sda: sda1 sda2 sda3 < sda5 sda6 sda7 > sda4 >Aug 3 14:56:06 riel kernel: VFS: Mounted root (ext2 filesystem) readonly. >Aug 3 14:56:06 riel kernel: Adding Swap: 32764k swap-space >Aug 3 14:56:06 riel kernel: CSLIP: code copyright 1989 Regents of the University of California >Aug 3 14:56:06 riel kernel: PPP: version 2.2.0 (dynamic channel allocation) >Aug 3 14:56:06 riel kernel: PPP Dynamic channel allocation code copyright 1995 Caldera, Inc. >Aug 3 14:56:06 riel kernel: PPP line discipline registered. >Aug 3 14:56:06 riel kernel: lp1 at 0x0378, using polling driver >Aug 3 15:00:15 riel syslogd: exiting on signal 15 >+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > >Any ideas on how to fix this? Thanks in advance. > > >-------------------------------------------------------------------- >Danny Heap, UCSF, 3333 California St., Room 102, SF CA, 94122 >[EMAIL PROTECTED], voice: (415) 476-8910, fax: (415) 476-1508 >-------------------------------------------------------------------- > > ------------------------------------------------------------------------- Allen Smith Lab Manager / Senior Network Engineer [EMAIL PROTECTED] STARDUST TECHNOLOGIES www.stardust.com ftp.stardust.com Phone: 408 879 8080 1901 S. Bascom Ave, #333 Fax: 408 879 8081 Campbell, CA 95008 -------------------------------------------------------------------------
