Messages in this thread | | | Date | Sat, 23 Mar 2002 14:11:21 +0100 | From | Martin Dalecki <> | Subject | Re: BUG: 2.4.18 & ALI15X3 DMA hang on boot |
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John Langford wrote: > I went nuts with printk statements and managed to isolate the hang to > one particular line of code. The final printk in this code fragment > never gets executed. > > } else if (m5229_revision >= 0xC3) { > /* > * 1553/1535 (m1533, 0x79, bit 1) > */ > printk("ata66_ali15x3 } else if (m5229_revisi\on >= 0xC3) {\n"); > pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
pci_write_config to isa_dev???? This looks at least suspicious. You may very well check whatever isa_dev is trully a PCI device handle or just some random IO base for ISA bus!
> } > printk("ata66_ali15x3 endif\n"); > > Art, Dave, and Ben may or may not have the same problem. It would be > interesting to know if they get a hang here. > > Any ideas for fixing?
See above :-)
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