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    SubjectRe: Can't burn DVD under 2.5.59 with ide-cd
    On Fri, Jan 24, 2003 at 10:26:16AM +0100, Jens Axboe wrote:

    > The interesting part is whether failed has a sense attached, and if so
    > what length.
    > >
    > > > cdrom_analyze_sense_data(drive, failed, sense);
    >
    > To avoid confusion, I made the patch. Would have been easier to do in
    > the first place it seems :)
    >
    > ===== drivers/ide/ide-cd.c 1.35 vs edited =====
    > --- 1.35/drivers/ide/ide-cd.c Thu Nov 21 22:56:59 2002
    > +++ edited/drivers/ide/ide-cd.c Fri Jan 24 10:25:53 2003
    > @@ -649,6 +649,8 @@
    > struct cdrom_info *info = drive->driver_data;
    > void *sense = &info->sense_data;
    >
    > + if (failed && blk_pc_request(failed))
    > + printk("%s: failed, sense %p, len=%d\n", __FUNCTION__, failed->sense, failed->sense_len);
    > if (failed && failed->sense)
    > sense = failed->sense;

    Hello,

    sorry I didn't understood that I was supposed to do this...
    I have recompiled with your patch, and here the result of dmesg:

    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0
    cdrom_end_request: failed, sense ce68de20, len=0

    Maybe I should add that, also under 2.4, it goes till 4 Mb and then stay
    at 4 Mb for a long time (something like one minute) and then it
    continues perfectly (with ide-scsi under 2.4).

    And in case still needed:

    Cdrecord-ProDVD-Clone 2.0 (i586-pc-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling
    Unlocked features: ProDVD Clone
    Limited features: speed
    This copy of cdrecord is licensed for: private/research/educational_non-commercial_use
    TOC Type: 1 = CD-ROM
    scsidev: '/dev/hdc'
    devname: '/dev/hdc'
    scsibus: -2 target: -2 lun: -2
    Warning: Open by 'devname' is unintentional and not supported.
    Linux sg driver version: 3.5.27
    Using libscg version 'schily-0.7'
    Driveropts: 'burnfree'
    atapi: 1
    Device type : Removable CD-ROM
    Version : 2
    Response Format: 2
    Capabilities :
    Vendor_info : 'SONY '
    Identifikation : 'DVD RW DRU-500A '
    Revision : '1.0f'
    Device seems to be: Generic mmc2 DVD-R/DVD-RW.
    Using generic SCSI-3/mmc-2 DVD-R/DVD-RW driver (mmc_dvd).
    Driver flags : DVD SWABAUDIO BURNFREE
    Supported modes: TAO PACKET SAO SAO/R96R RAW/R96R
    Drive buf size : 8126464 = 7936 KB
    FIFO size : 67108864 = 65536 KB
    Track 01: data 4001 MB
    Total size: 4001 MB = 2048512 sectors
    Current Secsize: 2048
    Blocks total: 2298496 Blocks current: 2298496 Blocks remaining: 249984
    Starting to write CD/DVD at speed 1 in dummy TAO mode for single session.
    Last chance to quit, starting dummy write in 9 seconds. 0.24% done, estimate finish Sat Jan 25 15:26:58 2003
    8 seconds. 0.49% done, estimate finish Sat Jan 25 15:26:59 2003
    7 seconds. 0.73% done, estimate finish Sat Jan 25 15:26:59 2003
    6 seconds. 0.98% done, estimate finish Sat Jan 25 15:26:59 2003
    5 seconds. 1.22% done, estimate finish Sat Jan 25 15:26:59 2003
    4 seconds. 1.46% done, estimate finish Sat Jan 25 15:26:59 2003
    0 seconds. Operation starts.
    Waiting for reader process to fill input buffer ... input buffer ready.
    BURN-Free is ON.
    Starting new track at sector: 0
    Track 01: 4 of 4001 MB written (fifo 97%) 16.2x.cdrecord-prodvd: Success. write_g1: scsi sendcmd: no error
    CDB: 2A 00 00 00 08 B8 00 00 1F 00
    status: 0x2 (CHECK CONDITION)
    Sense Bytes:
    Sense Key: 0xFFFFFFFF [], Segment 0
    Sense Code: 0x00 Qual 0x00 (no additional sense information) Fru 0x0
    Sense flags: Blk 0 (not valid)
    resid: 63488
    cmd finished after 0.001s timeout 100s

    write track data: error after 4571136 bytes
    Sense Bytes: 70 00 00 00 00 00 00 12 00 00 00 00 00 00 00 00 00 00
    Writing time: 5.294s
    Average write speed 575.6x.
    Fixating...
    Fixating time: 77.019s
    cdrecord-prodvd: fifo had 1095 puts and 73 gets.
    cdrecord-prodvd: fifo was 0 times empty and 2 times full, min fill was 96%.
    Exit 254

    Thank you very much,

    Grégoire
    ________________________________________________________________
    http://ulima.unil.ch/greg ICQ:16624071 mailto:greg@ulima.unil.ch
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