Promise and sparc64

From: Willy Gardiol (willy_at_gardiol.org)
Date: 12/20/03

  • Next message: Ingo Molnar: "Re: [PATCH 1/5] 2.6.0 fix preempt ctx switch accounting" 
    To: <linux-kernel@vger.kernel.org>
Date:	Sat, 20 Dec 2003 19:53:49 +0100

    -----BEGIN PGP SIGNED MESSAGE-----
    Hash: SHA1

    I have got an Ultra5 (sparc based, sun4u) and tried to plug both a Promise
    Ultra100tx2 (pdc20268) and a Promise FastTrack 2000 (pcd20271).

    The system boots and the kernel (2.4.23) works, the two UDMA100 disks plugged
    (one per channel) on the promised works in PIO mode.

    If i enable DMA on a single drive it WORKS (up to udma2 tested, with hdparm
    - -X66)
    When i enable DMA on the other channel (it does not count which one) i start
    getting many DMA errors (-20 and -22 error codes) and soon the disks hangs
    bringing the system down (but no kernel panic).

    Similar, if i enable DMA on one channel then start coping data bethween the
    two channels the systems suffers the same symptoms.

    Please note, both the controller and the disks have been used successfully in
    UDMA5 on a x86 system before, and now the disks positively works in mdma2
    using the onboard CMD ide controller of the Ultra5 (does not seems to be able
    to do UDMA at all)

    Is this a know issue?

    - --

    !
     Willy Gardiol - willy@gardiol.org
     www.gardiol.org
     Use linux for your freedom.

      "Linux is like a wigwam: no windows,
       no gates, Apache inside."

      "Linux è come una tenda indiana: niente finestre,
       niente porte, gli Apache dentro.

          Albert Arendsen

    -----BEGIN PGP SIGNATURE-----
    Version: GnuPG v1.2.3 (GNU/Linux)

    iD8DBQE/5Jq9Q9qolN/zUk4RAvTlAKCYfE2rP5bWTqPaD1yhCvpffwcEsQCgnQoF
    qS/Dyo0oxVDlM4S3+SHaYTA=
    =FIAW
    -----END PGP SIGNATURE-----

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

  • Next message: Ingo Molnar: "Re: [PATCH 1/5] 2.6.0 fix preempt ctx switch accounting"

    Relevant Pages

    • kernel 2.6, optical drives and DMA
      ... I am running the Debianized flavour of ... kernel 2.6.10 and the installation tracks Debian sid/unstable. ... command to enable DMA does evil things. ... -d1 /dev/hde") for burning disks and for watching DVDs, ...
      (Debian-User)
    • Re: Channel 4 owes me two quid
      ... due to be shown on Channel 4 that evening: ... For the second film, Channel 4 saw fit to put ... a spackers' windmill on-screen. ... My dog often gets to play with my unwanted DVD+R DL disks, ...
      (uk.media.tv.misc)
    • No Device Node assigned for HD?
      ... I split the disks up unto 3 partitions, with a being part of a gmirror for /, b being part of a gmirror for swap, and d being part of the zfs pool. ... All the drives are SATA hot-swap, so I connected the drive to a header off the MB and FreeBSD happily gave it a device node. ... hptrr: start channel ...
      (freebsd-questions)
    • Re: Adding a second RAID set
      ... we made RAID1 out of the two new disks. ... We have a dual channel raid ... dell server also end up on channel 1 in RAID configuration utility ... see the drives there? ...
      (microsoft.public.windows.server.sbs)
    • Re: Swapping Drives in XP
      ... I often double-up disks when rolling-out machines. ... disks on separate IDE channels, as that avoids the possibility of this kind ... If I have to use the same channel I will jumper the disks (NOT ... Perhaps your response may be of relevance to the OP even though it was mentioned that the drives were jumped properly. ...
      (microsoft.public.windowsxp.help_and_support)