Hi,
Please apply and test this patch.
Probably pci_config_byte 0x79 is vendor specifics.
Newer japanese hardware which use ALi IDE with Crusoe got hang up.
This patch will solve the following problems without option 'ide0=ata66 ide1=ata66'
>>With rc5, I get this same error unless I have 'ide0=ata66 ide1=ata66'
>>on the kernel command line. However, -ac1 hangs with or without these
>>options.
gigerstyle@gmx.ch wrote:
> On 02 Aug 2002 10:45:10 -0400
> Ian Soboroff <ian.soboroff@nist.gov> wrote:
>
> Hi
>
> I have written before regarding the same problem. I noticed that I have mentioned the wrong kernel version. Of course I meant the 2.4.19-rc5-ac1 and 2.4.19-rc3-ac5. It happens on a Sony Vaio Gr114EK. I will now try the same solution like Ian.
>
> greets
>
> marc
>
>
>>Alan,
>>
>>2.4.19-rc5-ac1 hangs on boot on my laptop (Fujitsu P-series, TM5800
>>CPU), whereas plain[1] rc5 boots fine. The hang appears to be during IDE
>>detection:
>>
>>...
>>block: 704 slots per queue, batch=176
>>Uniform Multi-Platform E-IDE driver Revision: 6.31
>>ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=XX
>>ALI15X3: IDE controller on PCI bus 00 dev 78
>>PCI: No IRQ known for interrupt pin A of device 00:0f.0. Please try using pci=biosirq
>>ALI15X3: chipset revision 195
>>ALI15X3: not 100% native mode: will probe irqs later
>>
>>With rc5, I get this same error unless I have 'ide0=ata66 ide1=ata66'
>>on the kernel command line. However, -ac1 hangs with or without these
>>options.
>>
>>I had this same problem under rc3-ac1, and rc2-ac2 (last two -ac
>>kernels I tried), so this looks to be a long-term problem. I'm hoping
>>maybe I can help debug it before it gets into Marcelo's tree.
>>
>>ian
>>
>>[1] Actually, one one-liner patche to extend the ext3 journal
>>commit interval to 30 seconds.
>>-
--- linux/drivers/ide/alim15x3.c~ 2002-08-03 03:06:10.000000000 +0900
+++ linux/drivers/ide/alim15x3.c 2002-08-03 03:07:15.000000000 +0900
@@ -37,6 +37,7 @@
static int ali_get_info(char *buffer, char **addr, off_t offset, int count);
extern int (*ali_display_info)(char *, char **, off_t, int); /* ide-proc.c */
static struct pci_dev *bmide_dev;
+static int enable_south = 0;
char *fifo[4] = {
"FIFO Off",
@@ -605,6 +606,7 @@
pci_read_config_byte(dev, 0x4b, &tmpbyte);
pci_write_config_byte(dev, 0x4b, tmpbyte | 0x08);
+ if( enable_south ){
/*
* set south-bridge's enable bit, m1533, 0x79
*/
@@ -620,6 +622,7 @@
*/
pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02);
}
+ }
} else {
/*
* revision 0x20 (1543-E, 1543-F)
@@ -671,6 +674,7 @@
pci_read_config_byte(dev, 0x4b, &tmpbyte);
pci_write_config_byte(dev, 0x4b, tmpbyte | 0x08);
+ if( enable_south ){
/*
* set south-bridge's enable bit, m1533, 0x79
*/
@@ -686,6 +690,7 @@
*/
pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02);
}
+ }
#endif /* ALI_INIT_CODE_TEST */
/*
* Ultra66 cable detection (from Host View)
@@ -821,3 +826,13 @@
ide_setup_pci_device(dev, d);
}
+static int __init enable_south_setup(char *str)
+{
+/* printk("ALI15X3: enable_south_setup %d\n", str); */
+ if(strcmp(str, "enable_south") == 0)
+ enable_south = 1;
+ return 1;
+}
+
+__setup("alim15x3=", enable_south_setup);
+
-
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