On Sun, Dec 04, 2005 at 03:57:50PM -0800, Andrew Morton wrote: > Wu Fengguang <[email protected]> wrote: > > > > [PATCH] radix-tree: Remove unnecessary indirections and clean up code > > > > is only partially merged into -mm tree. This patch completes it. > > md: autorun ... > md: ... autorun DONE. > Unable to handle kernel paging request at virtual address 8000003c > printing eip: > c013e16f > *pde = 00000000 > Oops: 0000 [#1] > SMP > Modules linked in: > CPU: 1 > EIP: 0060:[<c013e16f>] Not tainted VLI > EFLAGS: 00010086 (2.6.15-rc5-mm1) > EIP is at find_get_page+0x2e/0x4e It is reproduced here on linux-2.6.15-rc3-mm1 with this single patch. I'm using qemu, and its screen outputs are not accessible. So I added some delays to the dump code, and grabbed two screen shots. Wu
--- linux.orig/arch/i386/kernel/traps.c
+++ linux/arch/i386/kernel/traps.c
@@ -158,6 +158,7 @@ static inline unsigned long print_contex
printk(" [<%08lx>] ", addr);
print_symbol("%s", addr);
printk("\n");
+ mdelay(1000);
ebp = *(unsigned long *)ebp;
}
#else
@@ -167,6 +168,7 @@ static inline unsigned long print_contex
printk(" [<%08lx>]", addr);
print_symbol(" %s", addr);
printk("\n");
+ mdelay(1000);
}
}
#endif
@@ -257,6 +259,7 @@ void show_registers(struct pt_regs *regs
smp_processor_id(), 0xffff & regs->xcs, regs->eip,
print_tainted(), regs->eflags, system_utsname.release);
print_symbol("EIP is at %s\n", regs->eip);
+ mdelay(5000);
printk("eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n",
regs->eax, regs->ebx, regs->ecx, regs->edx);
printk("esi: %08lx edi: %08lx ebp: %08lx esp: %08lx\n",
@@ -265,6 +268,7 @@ void show_registers(struct pt_regs *regs
regs->xds & 0xffff, regs->xes & 0xffff, ss);
printk("Process %s (pid: %d, threadinfo=%p task=%p)",
current->comm, current->pid, current_thread_info(), current);
+ mdelay(5000);
/*
* When in-kernel, we also print out the stack and code at the
* time of the fault..
Attachment:
find_get_page_panic.png
Description: PNG image
Attachment:
find_get_page_panic2.png
Description: PNG image
- Follow-Ups:
- Re: [PATCH 02/16] radixtree: sync with mainline
- From: Christoph Lameter <[email protected]>
- Re: [PATCH 02/16] radixtree: sync with mainline
- References:
- [PATCH 00/16] Adaptive read-ahead V9
- From: Wu Fengguang <[email protected]>
- [PATCH 02/16] radixtree: sync with mainline
- From: Wu Fengguang <[email protected]>
- Re: [PATCH 02/16] radixtree: sync with mainline
- From: Andrew Morton <[email protected]>
- [PATCH 00/16] Adaptive read-ahead V9
- Prev by Date: Re: RFC: Starting a stable kernel series off the 2.6 kernel
- Next by Date: Re: virtual interface mac adress
- Previous by thread: Re: [PATCH 02/16] radixtree: sync with mainline
- Next by thread: Re: [PATCH 02/16] radixtree: sync with mainline
- Index(es):
 |