Re: 2.4.20-pre2-ac4 oops at boot

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Mon Aug 19 2002 - 18:46:18 EST


On Mon, 2002-08-19 at 23:53, Samuel Flory wrote:
> I've been having problem with the ac kernels, and tyan 2720. (Dual
> xeon E7500 chipset.) Under 2.4.20-pre2-ac4 it spews a bunch of "Trying
> to free nonexistent resource" when initializing the ide interface, and

Those are on my fix list but harmless

> dies. Under 2.4.19-ac4 the system netboots, but oops when I attempt to
> create a filesystem on a 3ware controller. Under 2.4.19 the system

2.4.19-ac4 balancing oops is fixed (I turned it off)

> ksymoops 2.4.4 on i686 2.4.20-pre2-ac3. Options used
> -v /stuff/src/linux-2.4.20-pre2-ac4/vmlinux (specified)
> -K (specified)
> -L (specified)
> -O (specified)
> -m /boot/System.map-2.4.20-pre2-ac4 (specified)
>

Ok random crap code. You had no pci_host_proc_list and that rather upset
things. This converts the failing code it into something resembling same
programming I hope and should fix your boot

Please let me know if it fixes the bug


--- drivers/ide/ide-proc.c~ 2002-08-20 00:48:53.000000000 +0100
+++ drivers/ide/ide-proc.c 2002-08-20 00:48:53.000000000 +0100
@@ -914,11 +914,14 @@
                                 proc_ide_read_drivers, NULL);
 
 #ifdef CONFIG_BLK_DEV_IDEPCI
- while ((p->name != NULL) && (p->set) && (p->get_info != NULL)) {
- p->parent = proc_ide_root;
- create_proc_info_entry(p->name, 0, p->parent, p->get_info);
- p->set = 2;
- if (p->next == NULL) return;
+ while (p != NULL)
+ {
+ if (p->name != NULL && p->set && p->get_info != NULL)
+ {
+ p->parent = proc_ide_root;
+ create_proc_info_entry(p->name, 0, p->parent, p->get_info);
+ p->set = 2;
+ }
                 p = p->next;
         }
 #endif /* CONFIG_BLK_DEV_IDEPCI */

-
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