On Sat, Oct 20, 2012 at 11:20:36PM +0200, Heinz Diehl wrote: > On 20.10.2012, Marcin Slusarz wrote: > > > Try this one. > > It works, now I can boot again. However, nouveau seems to be dead now. > The dmesg output with your patch on top of 3.7-rc1 is: > > [ 3.685909] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on > minor 0 > [ 3.687784] nouveau [ DEVICE][0000:01:00.0] BOOT0 : 0x0a8800b1 > [ 3.689960] nouveau [ DEVICE][0000:01:00.0] Chipset: GT218 (NVA8) > [ 3.692471] nouveau [ DEVICE][0000:01:00.0] Family : NV50 > [ 3.695716] nouveau [ VBIOS][0000:01:00.0] checking PRAMIN for image... > [ 3.697087] nouveau [ VBIOS][0000:01:00.0] ... signature not found > [ 3.698471] nouveau [ VBIOS][0000:01:00.0] checking PROM for image... > [ 3.699838] nouveau [ VBIOS][0000:01:00.0] ... signature not found > [ 3.701223] nouveau [ VBIOS][0000:01:00.0] checking ACPI for image... > [ 3.702684] ACPI Error: Field [ROMI] Base+Offset+Width 0+24+1 is beyond > end of region [VROM] (length 24) (20120913/exfldio-210) > [ 3.704139] ACPI Error: Method parse/execution > failed[\_SB_.PCI0.PEG1.GFX0._ROM] (Node ffff880142e85cf8), > AE_AML_REGION_LIMIT (20120913/psparse-536) > [ 3.716183] failed to evaluate ROM got AE_AML_REGION_LIMIT > [ 3.718776] nouveau [ VBIOS][0000:01:00.0] ... signature not found > [ 3.721349] nouveau [ VBIOS][0000:01:00.0] checking PCIROM for image... > [ 3.724111] nouveau 0000:01:00.0: Invalid ROM contents > [ 3.726663] nouveau [ VBIOS][0000:01:00.0] ... signature not found > [ 3.729159] nouveau E[ VBIOS][0000:01:00.0] unable to locate usable image > [ 3.731677] nouveau E[ DEVICE][0000:01:00.0] failed to create 0x10000001, > -22 > [ 3.734231] nouveau E[ DRM] failed to create 0x80000080, -22 > [ 3.736097] nouveau: probe of 0000:01:00.0 failed with error -22 > [ 3.740523] dracut: Starting plymouth daemon
Hmm, maybe we can't fetch 3 bytes only... Let's check this: --- diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c index 824eea0..8bd71aa 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c @@ -192,14 +192,16 @@ nouveau_bios_shadow_acpi(struct nouveau_bios *bios) { struct pci_dev *pdev = nv_device(bios)->pdev; int ret, cnt, i; - u8 data[3]; + u8 *data; if (!nouveau_acpi_rom_supported(pdev)) return; bios->size = 0; - if (nouveau_acpi_get_bios_chunk(data, 0, 3) == 3) + data = kmalloc(4096, GFP_KERNEL); + if (data && nouveau_acpi_get_bios_chunk(data, 0, 4096) >= 3) bios->size = data[2] * 512; + kfree(data); if (!bios->size) return; --- Please attach acpidump output. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/