Hi!

>   I am not plugged into a PCIX slot.
> 
>  
>  [re the bug system: I only just checked the bug database because I was about
>  to report that this patch:
> 
>  
>  Index: mpt_pci.c
>  ===================================================================
>  RCS file: /cvsroot/src/sys/dev/pci/mpt_pci.c,v
>  retrieving revision 1.5
>  diff -u -r1.5 mpt_pci.c
>  --- mpt_pci.c   27 Feb 2005 00:27:33 -0000      1.5
>  +++ mpt_pci.c   30 Jun 2005 09:17:01 -0000
>  @@ -210,7 +210,20 @@
>          pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
> 
>   
>          /*
>  -        * Ensure that the ROM is diabled.
>  +        * quirk from mptbase.c,mptlinux-3.03.02-src.tar.gz
>  +        * Disable split transactions for rev < 8.
>  +        * XXX here be magic constants...
>  +        */
>  +       if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SYMBIOS_1030)
>  +           && (PCI_REVISION(pa->pa_class) < 0x08)) {
>  +               aprint_normal("%s: applying 1030
> quirk\n",mpt->sc_dev.dv_xname);
>  +               reg = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x6a);
>  +               reg &= 0x8f;
>  +               pci_conf_write(pa->pa_pc, pa->pa_tag, 0x6a, reg);
>  +       }
>  +
>  +       /*
>  +        * Ensure that the ROM is disabled.
>           */
>          reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM);
>          reg &= ~1;
>  @@ -253,7 +266,7 @@
>           * Hard resets are known to screw up the BAR for diagnostic
>           * memory accesses (Mem1).
>           *
>  -        * Using Mem1 is know to make the chip stop responding to
>  +        * Using Mem1 is known to make the chip stop responding to
>           * configuration cycles, so we need to save it now.
>           */
>          mpt_pci_read_config_regs(mpt);

This patch doesn't help on kern/30531 however it will fix kern/26825 like
symptoms on 1030 plugged into PCIX slot.

$ dmesg | grep mpt                                                             
mpt0 at pci6 dev 3 function 0: LSI Logic 53c1030 Ultra320 SCSI
mpt0: applying 1030 quirk
mpt0: interrupting at irq 5

-- 
rix
http://www.ripe.net/perl/whois?rix@estpak.ee