On 11-02-19 07:05 PM, Ted Ts'o wrote: > On Sat, Feb 19, 2011 at 05:37:20PM -0500, Mark Lord wrote: >> 32-bit x86 system, 2.6.37 SMP kernel, Core2duo, 3.3GB RAM, no swap. >> >> The system just suddenly switched to fbconsole and dumped a traceback. >> Here's the screen-shot photo: http://rtr.ca/ext4_crash.jpg >> >> Is this a known bug that got fixed in 2.6.37.1 ? > > No, this looks like a new one. > > And I can't make the Code: line make sense. Can you send me the > fs/ext4/mballoc.s file after running the command "make > fs/ext4/mballoc.s" in your build tree where you built this kernel? Sent. And here's an extract: .globl ext4_discard_preallocations .type ext4_discard_preallocations, @function ext4_discard_preallocations: pushl %ebp # pushl %edi # leal -136(%eax), %edi #, ei pushl %esi # pushl %ebx # subl $80, %esp #, movl 172(%eax), %esi # <variable>.i_sb, sb movl $0, 76(%esp) #, group movzwl 122(%eax), %edx # <variable>.i_mode, tmp85 andl $61440, %edx #, tmp85 cmpl $32768, %edx #, tmp85 jne .L875 #, leal 68(%esp), %edx #, tmp86 leal 380(%eax), %ebx #, D.45176 movl %edx, 68(%esp) # tmp86, list.next addl $372, %eax #, movl %edx, 72(%esp) # tmp86, list.prev movl %eax, 28(%esp) #, %sfp .L876: movl %ebx, %eax # D.45176, call _raw_spin_lock # jmp .L861 # .L867: cmpl %ebx, 60(%ebp) # D.45176, <variable>.pa_obj_lock je .L862 #, #APP # 3810 "fs/ext4/mballoc.c" 1 1: ud2 I wonder if the 003c offset is that "cmpl %ebx, 60(%ebp)" line? -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
