Messages in this thread Patch in this message | | | Date | Thu, 23 Aug 2001 15:34:19 +0200 | From | Andi Kleen <> | Subject | Re: [OOPS] repeatable 2.4.8-ac7, 2.4.7-ac6 just run xdos |
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On Wed, Aug 22, 2001 at 03:52:26PM -0400, Paul wrote: > Andi Kleen <ak@suse.de>, on Wed Aug 22, 2001 [03:22:03 PM] said: > > > > Here is a new patch with both checks. > > > > Dear Andi; > > Well, with this patch, the kernel doesnt oops, but vm86 > seems to be busted now. save_v86_state() pops out: > 'vm86: could not access userspace vm86_info' > and gives dosemu a segv.
I found the problem in the previous patch. Here is an updated one. Please test again. Again against -ac7 (or later if Alan hasn't applied the earlier patch)
-Andi
--- include/asm-i386/hw_irq.h-SEG2 Mon Aug 20 02:54:53 2001 +++ include/asm-i386/hw_irq.h Wed Aug 22 13:02:16 2001 @@ -114,8 +114,10 @@ "cmpl %eax,7*4(%esp)\n\t" \ "je 1f\n\t" \ "movl %eax,%ds\n\t" \ + "1: cmpl %eax,8*4(%esp)\n\t" \ + "je 2f\n\t" \ "movl %eax,%es\n\t" \ - "1:\n\t" + "2:\n\t" #define IRQ_NAME2(nr) nr##_interrupt(void) #define IRQ_NAME(nr) IRQ_NAME2(IRQ##nr) --- arch/i386/kernel/entry.S-SEG2 Sat Aug 18 08:41:53 2001 +++ arch/i386/kernel/entry.S Thu Aug 23 15:20:21 2001 @@ -291,9 +291,11 @@ movl $(__KERNEL_DS),%edx cmpl %edx,%ecx jz 1f - movl %edx,%ds movl %edx,%es -1: GET_CURRENT(%ebx) +1: cmpl %edx,9*4(%esp) # check ds on the stack + jz 2f + movl %edx,%ds +2: GET_CURRENT(%ebx) call *%edi addl $8,%esp jmp ret_from_exception - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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