Applied, thanks.
On Fri, Feb 25, 2005 at 12:01:05PM -0600, Matt Domsch wrote: > (resend) > Patch below taken from RHEL3 Update 4 kernel 2.4.21-27.EL, fixes a bug > in the aic79xx and aic7xxx drivers, where upon trying to pause the > controller chip, it is accidentally hard-reset. This causes PCI > Parity errors to appear on Dell PowerEdge 4600 servers as the inb() > immediately after accidental reset receives corrupted data. > > Patch was submitted by Justin Gibbs many moons ago, but never applied > to mainline 2.4. It's in mainlin 2.6. Marcelo, please apply. > > Signed-off-by: Matt Domsch <[EMAIL PROTECTED]> > > -- > Matt Domsch > Software Architect > Dell Linux Solutions linux.dell.com & www.dell.com/linux > Linux on Dell mailing lists @ http://lists.us.dell.com > > diff -urNp --exclude-from=/home/mdomsch/excludes --minimal ./aic79xx_pci.c > /home/mdomsch/kernels/linux-2.4.21-27.EL/drivers/scsi/aic7xxx/aic79xx_pci.c > --- ./aic79xx_pci.c Fri Feb 18 14:38:22 2005 > +++ linux/drivers/scsi/aic7xxx/aic79xx_pci.c Wed Dec 1 20:49:28 2004 > @@ -451,8 +457,10 @@ ahd_pci_test_register_access(struct ahd_ > * or read prefetching could be initiated by the > * CPU or host bridge. Our device does not support > * either, so look for data corruption and/or flaged > - * PCI errors. > + * PCI errors. First pause without causing another > + * chip reset. > */ > + hcntrl &= ~CHIPRST; > ahd_outb(ahd, HCNTRL, hcntrl|PAUSE); > while (ahd_is_paused(ahd) == 0) > ; > diff -urNp --exclude-from=/home/mdomsch/excludes --minimal ./aic7xxx_pci.c > /home/mdomsch/kernels/linux-2.4.21-27.EL/drivers/scsi/aic7xxx/aic7xxx_pci.c > --- ./aic7xxx_pci.c Fri Feb 18 14:38:22 2005 > +++ > /home/mdomsch/kernels/linux-2.4.21-27.EL/drivers/scsi/aic7xxx/aic7xxx_pci.c > Wed Dec 1 20:49:28 2004 > @@ -1284,8 +1284,10 @@ ahc_pci_test_register_access(struct ahc_ > * or read prefetching could be initiated by the > * CPU or host bridge. Our device does not support > * either, so look for data corruption and/or flagged > - * PCI errors. > + * PCI errors. First pause without causing another > + * chip reset. > */ > + hcntrl &= ~CHIPRST; > ahc_outb(ahc, HCNTRL, hcntrl|PAUSE); > while (ahc_is_paused(ahc) == 0) > ; - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
