[parisc-linux] Booting 712 with CD 0.5

Grant Grundler grundler@cup.hp.com
Fri, 17 Nov 2000 08:38:24 -0800


Arnaud.ATOCH@oecd.org wrote:
> Is the following output the normal behavior of Linux-PARisc on a 712/100 ?
> 
> kmem_create: Forcing size word alignment - nfs_fh
> kernel BUG at pci-dma.c:391!
> kernel BUG at pci-dma.c:400!

The bug is real. A driver is calling pci_map_single() and pci_unmap_single()
without specifying which direction the DMA is going. Cache flushing on 712
(PCXL) systems needs to know. I'll assume it's the SCSI driver since
it looks like we are talking to a SCSI CD-ROM.

grant

Grant Grundler
Unix Systems Enablement Lab
+1.408.447.7253