Can you please send or post the acpidump for the machine? Thanks. >-----Original Message----- >From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi- >owner@xxxxxxxxxxxxxxx] On Behalf Of Jiri Slaby >Sent: Sunday, March 15, 2009 3:47 AM >To: Len Brown >Cc: linux-acpi@xxxxxxxxxxxxxxx; rjw@xxxxxxx; Linux kernel mailing list; >torvalds@xxxxxxxxxxxxxxxxxxxx >Subject: 2.6.29 acpi regression: acpi_ex_extract_from_field -- div by zero > >Hi, > >sometimes, when booting up/resuming from disk, I get an oops[1]. > >obj_desc->common_field.access_bit_width is zero, but even after the >loop. Division before the loop is apparently OK. > >This is the case: > /* Mask off any extra bits in the last datum */ > > buffer_tail_bits = obj_desc->common_field.bit_length % > obj_desc->common_field.access_bit_width; > >.L39: > xorl %edx, %edx # > movzbl 37(%rbx), %esi # ><variable>.common_field.access_bit_width, ><variable>.common_field.access_bit_width > movl 24(%rbx), %eax # <variable>.common_field.bit_length, ><variable>.common_field.bit_length >--------------- here: > divl %esi # <variable>.common_field.access_bit_width > movl %edx, %ecx #, tmp121 > testl %edx, %edx # tmp121 > je .L41 #, > >[1] http://www.fi.muni.cz/~xslaby/sklad/panics/acpi_oops.png >-- >To unsubscribe from this list: send the line "unsubscribe linux-acpi" in >the body of a message to majordomo@xxxxxxxxxxxxxxx >More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
