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From
SubjectRe: Linux 2.2.18pre20 MEGARAID hang
Date
In article <Pine.LNX.4.21.0011091230530.9750-300000@eurus.scripps.edu>,
Brian Marsden <marsden@scripps.edu> wrote:
>2.2.18pre20 (still) hangs on boot when it gets to the part where it
>detects the MEGARAID card.

Hmm, I got a patch from AMI that fixed it for me for 2.2.18pre18.
That patch wasn't applied as-is, though Alan said a megaraid fix was
applied to 2.2.18pre19. I didn't have a chance to test pre19 or pre20
yet, though, since I can only test it on a production machine that
now runs OK with pre18+fix, the test machine lays on someones desk
in a lot of parts at the moment ;)

Anyway. Here's a patch that ``upgrades'' the 2.2.18pre20 megaraid.c
to the 2.2.18pre18 + AMI patch version that I have. Please let
us know if it makes any difference.

[and, if you can, and this patch works, try to remove parts of the
patch until you find exactly what it is that makes it work]

--- linux-2.2.18pre20/drivers/scsi/megaraid.c Thu Nov 9 14:35:23 2000
+++ linux-2.2.18pre18-mega/drivers/scsi/megaraid.c Thu Nov 9 21:49:50 2000
@@ -9,7 +9,7 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Version : 1b08b
+ * Version : v1.11a
*
* Description: Linux device driver for AMI MegaRAID controller
*
@@ -179,7 +179,9 @@
* I) Version number changed from 1.10c to 1.11
* II) DCMD_WRITE_CONFIG(0x0D) command in the driver changed from
* scatter/gather list mode to direct pointer mode..
- *
+ *
+ * Version 1.11a
+ * Initlization bug fixed
* BUGS:
* Some older 2.1 kernels (eg. 2.1.90) have a bug in pci.c that
* fails to detect the controller as a pci device on the system.
@@ -194,7 +196,7 @@
#define CRLFSTR "\n"
#define IOCTL_CMD_NEW 0x81

-#define MEGARAID_VERSION "v1.11 (Aug 23, 2000)"
+#define MEGARAID_VERSION "v1.11a (Oct 24, 2000)"
#define MEGARAID_IOCTL_VERSION 108

#include <linux/config.h>
@@ -1842,8 +1844,8 @@
while ((pdev = pci_find_device (pciVendor, pciDev, pdev))) {

#ifdef DELL_MODIFICATION
- if (pci_enable_device(pdev))
- continue;
+ if (pci_enable_device(pdev))
+ continue;
#endif
pciBus = pdev->bus->number;
pciDevFun = pdev->devfn;
@@ -1889,7 +1891,11 @@
"megaraid: to protect your data, please upgrade your firmware to version\n"
"megaraid: 3.10 or later, available from the Dell Technical Support web\n"
"megaraid: site at\n"
+#ifdef DELL_MODIFICATION
"http://support.dell.com/us/en/filelib/download/index.asp?fileid=2940\n");
+#else
+ "http://support.dell.com/us/en/filelib/download/index.asp?fileid=2489\n");
+#endif
continue;
}
}
@@ -1914,16 +1920,32 @@
megaIrq = pdev->irq;
#else

- megaBase = pci_resource_start (pdev, 0);
+#ifdef DELL_MODIFICATION
+ megaBase = pci_resource_start (pdev, 0);
+#else
+ megaBase = pdev->resource[0].start;
+#endif
megaIrq = pdev->irq;
#endif

pciIdx++;

- if (flag & BOARD_QUARTZ)
- megaBase = (long) ioremap (megaBase, 128);
- else
- megaBase += 0x10;
+#ifdef DELL_MODIFICATION
+ if (flag & BOARD_QUARTZ)
+ megaBase = (long) ioremap (megaBase, 128);
+ else
+ megaBase += 0x10;
+#else
+ if (flag & BOARD_QUARTZ) {
+
+ megaBase &= PCI_BASE_ADDRESS_MEM_MASK;
+ megaBase = (long) ioremap (megaBase, 128);
+ }
+ else {
+ megaBase &= PCI_BASE_ADDRESS_IO_MASK;
+ megaBase += 0x10;
+ }
+#endif

/* Initialize SCSI Host structure */
host = scsi_register (pHostTmpl, sizeof (mega_host_config));
@@ -2087,8 +2109,7 @@
remove_proc_entry("config", megaCfg->controller_proc_dir_entry);
remove_proc_entry("mailbox", megaCfg->controller_proc_dir_entry);
for (i = 0; i < numCtlrs; i++) {
- char buf[12];
- memset(buf,0,12);
+ char buf[12] ={0};
sprintf(buf,"%d",i);
remove_proc_entry(buf,mega_proc_dir_entry);
}
--
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