On Fri, Jul 10, 2015 at 03:28:36PM +0100, Moore, Robert wrote: > > > > -----Original Message----- > > From: Ming Lei [mailto:[email protected]] > > Sent: Friday, July 10, 2015 12:46 AM > > To: Moore, Robert; Zheng, Lv; Wysocki, Rafael J > > Cc: Linux Kernel Mailing List; linux-arm-kernel; Thomas Gleixner; Jason > > Cooper; Hanjun Guo > > Subject: ACPI: regression: Failed to initialize GIC IRQ controller > > > > Hi, > > > > Commit 0cff8dc0099f6d4f(ACPICA: ACPI 6.0: Add changes for MADT table.) > > causes the following failure on APM mustang board(arm64) when booting via > > UEFI and ACPI: > > > I would be interested to know just what exactly about this change broke > things.
struct acpi_madt_generic_interrupt gained 4 bytes, 4 too many for ACPI on ARM64 to boot with 5.1 tables. >From now onwards we have to test acpica changes against the arm64 kernel tree, this must not happen again. See below: https://lkml.org/lkml/2015/7/6/876 Thanks, Lorenzo > Bob > > > > > > > No valid GICC entries exist > > ACPI: Failed to initialize GIC IRQ controller Kernel panic - not syncing: > > No interrupt controller found. > > CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.2.0-rc1+ #45 Hardware name: > > APM X-Gene Mustang board (DT) Call trace: > > [<ffffffc000089b94>] dump_backtrace+0x0/0x12c [<ffffffc000089cd0>] > > show_stack+0x10/0x1c [<ffffffc0005fac18>] dump_stack+0x8c/0xdc > > [<ffffffc0005f7218>] panic+0xe4/0x220 [<ffffffc00082631c>] > > init_IRQ+0x24/0x30 [<ffffffc00082486c>] start_kernel+0x274/0x3d8 ---[ end > > Kernel panic - not syncing: No interrupt controller found. > > > > > > Thanks, > > Ming > N???????????????r??????y?????????b???X????????v???^???)??{.n???+????????????{????????????zX??????????????}???????????z???&j:+v?????????????????????zZ+??????+zf?????????h?????????~????????????i?????????z??? ???w??????????????????????&???)??f??????^j??y???m??????@A???a????????? > 0??????h??????i -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
