Messages in this thread | | | Date | Sun, 18 Apr 1999 19:37:20 +0200 (CET) | From | Simon J Mudd <> | Subject | Re: [BUG] SCSI/aha152x lockup on 2.2.6 while reading faulty cd-rom |
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On Sun, 18 Apr 1999, Simon J Mudd wrote:
> I can reproducibly hang 2.2.6 if reading a faulty cd-rom. I don't expect > to be able to read the cd-rom, but I don't think the kernel should lock up > completely in this situation. I know this is old hardware, but any help > would be appreciated. If more info is needed I'll provide it on request.
Just tested the same sequence of events using redhat 5.2's "default kernel" 2.0.36-0.7, and get the following output on the screen but NO lockup.
scsi0: MEDIUM ERROR on channel 0, id 1, lun 0, CDB: Request Sense 00 00 00 10 00 Current error sr0b:00: sense key Medium Error Additional sense indicates Unrecovered read error CD-ROM I/O error: dev 0b:00, sector 885672 scsi : aborting command due to timeout : pid 1436, scsi0, channel 0, id 1, lun 0 Read (6) 03 60 eb 03 00 aha152x: abort(), SCpnt=0x00fbd018, QUEUE STATUS: issue_SC: current_SC: none disconnected_SC: 0x00fbd018: target=1; lun=0; cmnd=(Read (6) 03 60 eb 03 00 ); residual=1024; buffers=5; phase |disconnected|send_ident|; in other(MESSAGE IN); phaseend; next=0x00000000
waiting: SCSISEQ (RESELI ); SCSISIG (DATA OUT); INTSTAT (lo); SSTAT (BUSFREE PHASECHG ); SSTAT (); SXFRCTL0 (CH1 ); SIGNAL (); SELID (84), SSTAT2 (SEMPTY ); SFCNT (0); SCSICNT (0), OFFCNT(0), SSTAT4 (); DMACNTRL0 (16BIT PIO WRITE INTEN ); DMASTAT (WORDRDY DFIFOEMP ) enabled interrupts (ENSELDI ) (ABORT) target selected, CD-ROM I/O error: dev 0b:00, sector 885676 CD-ROM I/O error: dev 0b:00, sector 885688 CD-ROM I/O error: dev 0b:00, sector 885672 cat: /mnt/cdrom/images/boot.img: Input/output error [root@phoenix /root]#
I don't know if this information is sufficient to find the bug.
Let me know if I can provide more information.
Simon -- Simon J Mudd, Madrid SPAIN Tel: +34-91-408 4878 email: sjmudd@bitmailer.net [short messages - from radio hams only] ----> ea4els@ea4els.ampr.org
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