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SubjectRe: x86/pci Oops with CONFIG_SND_HDA_INTEL
Date
On Wednesday, May 19, 2010 09:13:24 am Graham Ramsey wrote:
> I am on x86_64 with latest (v2.6.34) kernel. When i set
> CONFIG_SND_HDA_INTEL=Y It hangs at an early stage in boot with kernel oops.
> When i use CONFIG_SND_HDA_INTEL=M the machine will boot, and i get the
> dmesg (below).
>
> I have bisected down to one commit that causes the problem:
>
> commit 3e3da00c01d050307e753fb7b3e84aefc16da0d0
> x86/pci: AMD one chain system to use pci read out res
> ...

I CC'd Yinghai, the author of that patch. That commit went in after
2.6.33, so this is probably a regression between .33 and .34. Can
you open a report at https://bugzilla.kernel.org and respond to this
thread with the URL?

Please attach the complete dmesg (with SND_HDA_INTEL=m) to the
bugzilla.

Thanks a lot for your report!

Bjorn

> I have reverted this in my current kernel (v3.6.34) and it seems to work
> OK like this.
> Is it possible to get this commit either removed, or amended to work
> with SND_HDA_INTEL ?

> OOPS from dmesg
> ---------------
> Pid: 1714, comm: modprobe Not tainted 2.6.34 #3
> ALiveSATA2-GLAN/ALiveSATA2-GLAN
> RIP: 0010:[<ffffffffa0018d11>] [<ffffffffa0018d11>]
> azx_probe+0x3a2/0xa6a [snd_hda_intel]
> RSP: 0018:ffff88007e80bd18 EFLAGS: 00010282
> RAX: ffffc90000078000 RBX: ffff88007d724c00 RCX: 000000000000000d
> RDX: 0000000000000000 RSI: 0000000000000246 RDI: ffffffff813f2f24
> RBP: ffff88007f9da088 R08: 0000000000000000 R09: 0000000000000040
> R10: 0000000000000008 R11: 000000000000000a R12: ffff88007f9da000
> R13: ffff88007d726400 R14: 0000000000000000 R15: 0000000000000000
> FS: 00007f1a13aa6700(0000) GS:ffff880001700000(0000)
> knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: ffffc90000078000 CR3: 0000000037ad1000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process modprobe (pid: 1714, threadinfo ffff88007e80a000, task
> ffff88007d0ed080)
> Stack:
> 0000000000000292 0000000000000005 ffff88007f9c62c8 ffff88007d60e948
> <0> ffff88007d60e948 ffffffff810c5d3f ffff88007e80bd64 ffff88007e80bdb8
> <0> ffff88007f9033f0 ffff88007d60e948 ffff88007e80bdb8 ffff88007e80bdb8
> Call Trace:
> [<ffffffff810c5d3f>] ? sysfs_addrm_finish+0x29/0xb4
> [<ffffffff8116e849>] ? local_pci_probe+0x12/0x19
> [<ffffffff8116ea65>] ? pci_device_probe+0x60/0x8e
> [<ffffffff811ac286>] ? driver_sysfs_add+0x42/0x69
> [<ffffffff811ac4cd>] ? driver_probe_device+0x8e/0x10e
> [<ffffffff811ac59c>] ? __driver_attach+0x4f/0x6f
> [<ffffffff811ac54d>] ? __driver_attach+0x0/0x6f
> [<ffffffff811ab8cc>] ? bus_for_each_dev+0x47/0x72
> [<ffffffff811abede>] ? bus_add_driver+0xa2/0x1f2
> [<ffffffff811ac7bc>] ? driver_register+0x8d/0xf5
> [<ffffffff8116ecb0>] ? __pci_register_driver+0x50/0xbb
> [<ffffffffa001e000>] ? alsa_card_azx_init+0x0/0x22 [snd_hda_intel]
> [<ffffffff810002d0>] ? do_one_initcall+0x4f/0x13f
> [<ffffffff8104aa56>] ? sys_init_module+0xc5/0x2cf
> [<ffffffff81001eab>] ? system_call_fastpath+0x16/0x1b
> Code: 83 f0 01 00 00 31 f6 48 89 df e8 9f e4 ff ff 85 c0 0f 88 f5 03 00
> 00 4c 89 e7 e8 e2 45 15 e1 8b 7b 40 e8 70 41 03 e1 48 8b 43 38 <66> 44
> 8b 38 8b 43 14 83 e8 03 83 f8 01 77 2c 31 d2 be 85 43 00
> RIP [<ffffffffa0018d11>] azx_probe+0x3a2/0xa6a [snd_hda_intel]
> RSP <ffff88007e80bd18>
> CR2: ffffc90000078000
> ---[ end trace 1814cadd98ff217d ]---
>
>
>
> Patch for revert of commit
> -------------------------------------
>
> --- a/arch/x86/pci/amd_bus.c
> +++ b/arch/x86/pci/amd_bus.c
> @@ -83,12 +83,11 @@ static int __init early_fill_mp_bus_info(void)
> struct range range[RANGE_NUM];
> u64 val;
> u32 address;
> - bool found;
>
> if (!early_pci_allowed())
> return -1;
>
> - found = false;
> + found_all_numa_early = 0;
> for (i = 0; i < ARRAY_SIZE(pci_probes); i++) {
> u32 id;
> u16 device;
> @@ -102,12 +101,12 @@ static int __init early_fill_mp_bus_info(void)
> device = (id>>16) & 0xffff;
> if (pci_probes[i].vendor == vendor &&
> pci_probes[i].device == device) {
> - found = true;
> + found_all_numa_early = 1;
> break;
> }
> }
>
> - if (!found)
> + if (!found_all_numa_early)
> return 0;
>
> pci_root_num = 0;
> diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c
> index 64a1228..894a17e 100644
> --- a/arch/x86/pci/bus_numa.c
> +++ b/arch/x86/pci/bus_numa.c
> @@ -6,6 +6,7 @@
>
> int pci_root_num;
> struct pci_root_info pci_root_info[PCI_ROOT_NR];
> +int found_all_numa_early;
>
> void x86_pci_root_bus_res_quirks(struct pci_bus *b)
> {
> @@ -21,6 +22,10 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b)
> if (!pci_root_num)
> return;
>
> + /* for amd, if only one root bus, don't need to do anything */
> + if (pci_root_num < 2 && found_all_numa_early)
> + return;
> +
> for (i = 0; i < pci_root_num; i++) {
> if (pci_root_info[i].bus_min == b->number)
> break;
> diff --git a/arch/x86/pci/bus_numa.h b/arch/x86/pci/bus_numa.h
> index 804a4b4..d4ad5fa 100644
> --- a/arch/x86/pci/bus_numa.h
> +++ b/arch/x86/pci/bus_numa.h
> @@ -19,6 +19,7 @@ struct pci_root_info {
> #define PCI_ROOT_NR 4
> extern int pci_root_num;
> extern struct pci_root_info pci_root_info[PCI_ROOT_NR];
> +extern int found_all_numa_early;
>
> extern void update_res(struct pci_root_info *info, resource_size_t start,
> resource_size_t end, unsigned long flags, int
> merge);
>
> My lspci
> --------
>
> 00:00.0 Host bridge: VIA Technologies, Inc. K8T890CF Host Bridge
> 00:00.1 Host bridge: VIA Technologies, Inc. VT3351 Host Bridge
> 00:00.2 Host bridge: VIA Technologies, Inc. VT3351 Host Bridge
> 00:00.3 Host bridge: VIA Technologies, Inc. VT3351 Host Bridge
> 00:00.4 Host bridge: VIA Technologies, Inc. VT3351 Host Bridge
> 00:00.5 PIC: VIA Technologies, Inc. VT3351 I/O APIC Interrupt Controller
> 00:00.7 Host bridge: VIA Technologies, Inc. VT3351 Host Bridge
> 00:01.0 PCI bridge: VIA Technologies, Inc. [K8T890 North / VT8237 South]
> PCI Bridge
> 00:02.0 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge
> Controller
> 00:03.0 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge
> Controller
> 00:03.1 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge
> Controller
> 00:03.2 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge
> Controller
> 00:03.3 PCI bridge: VIA Technologies, Inc. K8T890 PCI to PCI Bridge
> Controller
> 00:0f.0 RAID bus controller: VIA Technologies, Inc. VT8237A SATA 2-Port
> Controller (rev 80)
> 00:0f.1 IDE interface: VIA Technologies, Inc.
> VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 07)
> 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
> Controller (rev a0)
> 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
> Controller (rev a0)
> 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
> Controller (rev a0)
> 00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
> Controller (rev a0)
> 00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
> 00:11.0 ISA bridge: VIA Technologies, Inc. VT8237A PCI to ISA Bridge
> 00:11.7 Host bridge: VIA Technologies, Inc. VT8251 Ultra VLINK Controller
> 00:13.0 Host bridge: VIA Technologies, Inc. VT8237A Host Bridge
> 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
> HyperTransport Technology Configuration
> 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
> Address Map
> 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
> DRAM Controller
> 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
> Miscellaneous Control
> 02:00.0 SATA controller: JMicron Technology Corp. JMB362/JMB363 Serial
> ATA Controller (rev 02)
> 02:00.1 IDE interface: JMicron Technology Corp. JMB362/JMB363 Serial ATA
> Controller (rev 02)
> 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
> 06:00.0 VGA compatible controller: nVidia Corporation G71 [GeForce 7900
> GS] (rev a1)
> 80:01.0 Audio device: VIA Technologies, Inc. VT1708/A [Azalia HDAC] (VIA
> High Definition Audio Controller) (rev 10)


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