I am porting coreboot to a new board. The processor is family 10 C32. The chipset is close to rs780. It seems to be quite close to ok. But the linux reports "No irq handler for vector (irq -1)".
I am wondering whether IOAPIC or LAPIC will cause that problem. Or any other suggestion?
Zheng
----------------------- Booting 'hda1:/boot/2.6.34-sb800 ro root=UUID=7f2a5ca6-6e6d-4fcd-a6cf-80c595592 6d3 console=ttyS0,115200 pci=nomsi initrd=hda1:/boot/initrd-2.6.34-sb800-bao' Found Linux version 2.6.34-sb800-bao (baozheng@localhost.localdomain) #8 SMP Fr i Jun 18 18:06:37 CST 2010 bzImage. Loading kernel... ok Loading initrd... ok Jumping to entry point... [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 2.6.34-sb800-bao (baozheng@localhost.localdomain) (gcc version 4.3 .2 20081007 (Red Hat 4.3.2-6) (GCC) ) #8 SMP Fri Jun 18 18:06:37 CST 2010 [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: 0000000000000000 - 0000000000001000 type 16 [ 0.000000] BIOS-e820: 0000000000001000 - 00000000000a0000 (usable) [ 0.000000] BIOS-e820: 00000000000c0000 - 0000000030000000 (usable) [ 0.000000] BIOS-e820: 0000000030000000 - 0000000040000000 (reserved) [ 0.000000] Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel! [ 0.000000] DMI not present or invalid. [ 0.000000] last_pfn = 0x30000 max_arch_pfn = 0x100000 [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 [ 0.000000] found SMP MP-table at [c00f0400] f0400 [ 0.000000] init_memory_mapping: 0000000000000000-0000000030000000 [ 0.000000] RAMDISK: 2fb50000 - 2fe9c000 [ 0.000000] ACPI Error: A valid RSDP was not found (20100121/tbxfroot-219) [ 0.000000] 0MB HIGHMEM available. [ 0.000000] 768MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 30000000 [ 0.000000] low ram: 0 - 30000000 [ 0.000000] Zone PFN ranges: [ 0.000000] DMA 0x00000001 -> 0x00001000 [ 0.000000] Normal 0x00001000 -> 0x00030000 [ 0.000000] HighMem empty [ 0.000000] Movable zone start PFN for each node [ 0.000000] early_node_map[2] active PFN ranges [ 0.000000] 0: 0x00000001 -> 0x000000a0 [ 0.000000] 0: 0x00000100 -> 0x00030000 [ 0.000000] Using APIC driver default [ 0.000000] Intel MultiProcessor Specification v1.4 [ 0.000000] Virtual Wire compatibility mode. [ 0.000000] MPTABLE: OEM ID: COREBOOT [ 0.000000] MPTABLE: Product ID: PENSE [ 0.000000] MPTABLE: APIC at: 0xFEE00000 [ 0.000000] Processor #0 (Bootup-CPU) [ 0.000000] Processor #1 [ 0.000000] Processor #2 [ 0.000000] Processor #3 [ 0.000000] Processor #4 [ 0.000000] Processor #5 [ 0.000000] Processor #8 [ 0.000000] Processor #9 [ 0.000000] Processor #10 [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 8 reached. Processor 8/0xa ignored. [ 0.000000] Processor #11 [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 8 reached. Processor 9/0xb ignored. [ 0.000000] Processor #12 [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 8 reached. Processor 10/0xc ignored. [ 0.000000] Processor #13 [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 8 reached. Processor 11/0xd ignored. [ 0.000000] I/O APIC #33 Version 17 at 0xF0000000. [ 0.000000] Processors: 8 [ 0.000000] 12 Processors exceeds NR_CPUS limit of 8 [ 0.000000] SMP: Allowing 8 CPUs, 0 hotplug CPUs [ 0.000000] Allocating PCI resources starting at 40000000 (gap: 40000000:c0000000) [ 0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 13 pages/cpu @c2000000 s32724 r0 d20524 u524288 [ 0.000000] pcpu-alloc: s32724 r0 d20524 u524288 alloc=1*4194304 [ 0.000000] pcpu-alloc: [0] 0 1 2 3 4 5 6 7 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 194975 [ 0.000000] Kernel command line: ro root=UUID=7f2a5ca6-6e6d-4fcd-a6cf-80c5955926d3 console=t tyS0,115200 pci=nomsi [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Enabling fast FPU save and restore... done. [ 0.000000] Enabling unmasked SIMD FPU exception support... done. [ 0.000000] Initializing CPU#0 [ 0.000000] Subtract (42 early reservations) [ 0.000000] #1 [0000001000 - 0000002000] EX TRAMPOLINE [ 0.000000] #2 [0001000000 - 00016253d0] TEXT DATA BSS [ 0.000000] #3 [002fb50000 - 002fe9c000] RAMDISK [ 0.000000] #4 [0001626000 - 000162c000] BRK [ 0.000000] #5 [000009f000 - 00000f0400] BIOS reserved [ 0.000000] #6 [00000f0400 - 00000f0410] MP-table mpf [ 0.000000] #7 [00000f0664 - 0000100000] BIOS reserved [ 0.000000] #8 [00000f0410 - 00000f0664] MP-table mpc [ 0.000000] #9 [0000002000 - 0000003000] TRAMPOLINE [ 0.000000] #10 [0000003000 - 0000007000] ACPI WAKEUP [ 0.000000] #11 [000162c000 - 000162d000] BOOTMEM [ 0.000000] #12 [000162d000 - 0001c2d000] BOOTMEM [ 0.000000] #13 [0001625400 - 0001625404] BOOTMEM [ 0.000000] #14 [0001625440 - 0001625500] BOOTMEM [ 0.000000] #15 [0001625500 - 0001625548] BOOTMEM [ 0.000000] #16 [0001c2d000 - 0001c30000] BOOTMEM [ 0.000000] #17 [0001625580 - 00016255a7] BOOTMEM [ 0.000000] #18 [00016255c0 - 0001625630] BOOTMEM [ 0.000000] #19 [0001625640 - 0001625680] BOOTMEM [ 0.000000] #20 [0001625680 - 00016256c0] BOOTMEM [ 0.000000] #21 [00016256c0 - 0001625700] BOOTMEM [ 0.000000] #22 [0001625700 - 0001625740] BOOTMEM [ 0.000000] #23 [0001625740 - 0001625791] BOOTMEM [ 0.000000] #24 [00016257c0 - 0001625811] BOOTMEM [ 0.000000] #25 [0002000000 - 000200d000] BOOTMEM [ 0.000000] #26 [0002080000 - 000208d000] BOOTMEM [ 0.000000] #27 [0002100000 - 000210d000] BOOTMEM [ 0.000000] #28 [0002180000 - 000218d000] BOOTMEM [ 0.000000] #29 [0002200000 - 000220d000] BOOTMEM [ 0.000000] #30 [0002280000 - 000228d000] BOOTMEM [ 0.000000] #31 [0002300000 - 000230d000] BOOTMEM [ 0.000000] #32 [0002380000 - 000238d000] BOOTMEM [ 0.000000] #33 [0001625840 - 0001625844] BOOTMEM [ 0.000000] #34 [0001625880 - 0001625884] BOOTMEM [ 0.000000] #35 [00016258c0 - 00016258e0] BOOTMEM [ 0.000000] #36 [0001625900 - 0001625920] BOOTMEM [ 0.000000] #37 [0001625940 - 00016259d8] BOOTMEM [ 0.000000] #38 [0001625a00 - 0001625a38] BOOTMEM [ 0.000000] #39 [0001c30000 - 0001c34000] BOOTMEM [ 0.000000] #40 [0001c34000 - 0001cb4000] BOOTMEM [ 0.000000] #41 [0001cb4000 - 0001cf4000] BOOTMEM [ 0.000000] Initializing HighMem for node 0 (00000000:00000000) [ 0.000000] Memory: 768960k/786432k available (3339k kernel code, 17084k reserved, 1887k dat a, 372k init, 0k highmem) [ 0.000000] virtual kernel memory layout: [ 0.000000] fixmap : 0xfff1e000 - 0xfffff000 ( 900 kB) [ 0.000000] pkmap : 0xff800000 - 0xffc00000 (4096 kB) [ 0.000000] vmalloc : 0xf0800000 - 0xff7fe000 ( 239 MB) [ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB) [ 0.000000] .init : 0xc151b000 - 0xc1578000 ( 372 kB) [ 0.000000] .data : 0xc1342d7a - 0xc151abe8 (1887 kB) [ 0.000000] .text : 0xc1000000 - 0xc1342d7a (3339 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok. [ 0.000000] SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] NR_IRQS:512 [ 0.000000] Console: colour dummy device 80x25 [ 0.000000] console [ttyS0] enabled [ 0.000000] Fast TSC calibration using PIT [ 0.000000] Detected 2200.073 MHz processor. [ 0.003014] Calibrating delay loop (skipped), value calculated using timer frequency.. 4400. 14 BogoMIPS (lpj=2200073) [ 0.005050] Security Framework initialized [ 0.006050] Mount-cache hash table entries: 512 [ 0.007365] Initializing cgroup subsys ns [ 0.008010] Initializing cgroup subsys cpuacct [ 0.010014] Initializing cgroup subsys freezer [ 0.011043] CPU: Physical Processor ID: 0 [ 0.012006] CPU: Processor Core ID: 0 [ 0.013012] mce: CPU supports 6 MCE banks [ 0.014033] using C1E aware idle routine [ 0.015022] Performance Events: AMD PMU driver. [ 0.017016] ... version: 0 [ 0.018006] ... bit width: 48 [ 0.019004] ... generic registers: 4 [ 0.020004] ... value mask: 0000ffffffffffff [ 0.021004] ... max period: 00007fffffffffff [ 0.022004] ... fixed-purpose events: 0 [ 0.023004] ... event mask: 000000000000000f [ 0.024022] Checking 'hlt' instruction... OK. [ 0.030588] Enabling APIC mode: Flat. Using 1 I/O APICs [ 0.032338] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=0 pin2=0 [ 0.032999] ..MP-BIOS bug: 8254 timer not connected to IO-APIC [ 0.032999] ...trying to set up timer (IRQ0) through the 8259A ... [ 0.032999] ..... (found apic 0 pin 0) ... [ 0.043281] ....... works. [ 0.044004] CPU0: AMD Thermal Test Kit stepping 01 [ 0.149446] Booting Node 0, Processors #1 [ 0.003999] Initializing CPU#1 [ 0.003999] do_IRQ: 1.55 No irq handler for vector (irq -1) [ 0.223153] #2 [ 0.003999] Initializing CPU#2 [ 0.003999] do_IRQ: 2.55 No irq handler for vector (irq -1) [ 0.297156] #3 [ 0.003999] Initializing CPU#3 [ 0.003999] do_IRQ: 3.55 No irq handler for vector (irq -1) [ 0.371154] #4 [ 0.003999] Initializing CPU#4 [ 0.003999] do_IRQ: 4.55 No irq handler for vector (irq -1) [ 0.445158] #5 [ 0.003999] Initializing CPU#5 [ 0.003999] do_IRQ: 5.55 No irq handler for vector (irq -1) [ 0.519159] #6 [ 0.003999] Initializing CPU#6 [ 0.003999] do_IRQ: 6.55 No irq handler for vector (irq -1) [ 0.593166] #7 Ok. [ 0.003999] Initializing CPU#7 [ 0.003999] do_IRQ: 7.55 No irq handler for vector (irq -1) [ 0.667034] Brought up 8 CPUs [ 0.668010] Total of 8 processors activated (35200.21 BogoMIPS). [ 0.671260] khelper used greatest stack depth: 7176 bytes left [ 0.673208] NET: Registered protocol family 16 [ 0.683087] TOM: 0000000040000000 aka 1024M [ 0.684028] TOM2: 0000000000000000 aka 0M [ 0.686364] PCI: Using configuration type 1 for base access [ 0.687003] PCI: Using configuration type 1 for extended access [ 0.721065] bio: create slab <bio-0> at 0 [ 0.723094] ACPI: Interpreter disabled. [ 0.724095] vgaarb: loaded [ 0.726079] SCSI subsystem initialized [ 0.729037] usbcore: registered new interface driver usbfs [ 0.730078] usbcore: registered new interface driver hub [ 0.731081] usbcore: registered new device driver usb [ 0.734047] Advanced Linux Sound Architecture Driver Version 1.0.22.1. [ 0.735008] PCI: Probing PCI hardware [ 0.738214] pci 0000:00:14.4: PCI bridge to [bus 01-01] (subtractive decode) [ 0.742085] vgaarb: device added: PCI:0000:01:06.0,decodes=io+mem,owns=io+mem,locks=none [ 0.744095] PCI: Discovered primary peer bus 10 [IRQ] [ 0.746157] cfg80211: Calling CRDA to update world regulatory domain [ 0.747085] NetLabel: Initializing [ 0.748005] NetLabel: domain hash size = 128 [ 0.749002] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.750032] NetLabel: unlabeled traffic allowed by default [ 0.752077] Switching to clocksource tsc [ 0.758546] pnp: PnP ACPI: disabled [ 0.765008] pci 0000:00:14.1: BAR 4: assigned [io 0x2030-0x203f] [ 0.771119] pci 0000:00:14.1: BAR 4: set to [io 0x2030-0x203f] (PCI address [0x2030-0x203f] [ 0.779554] pci 0000:00:14.4: PCI bridge to [bus 01-01] [ 0.784785] pci 0000:00:14.4: bridge window [io 0x1000-0x1fff] [ 0.790891] pci 0000:00:14.4: bridge window [mem 0xe0000000-0xe00fffff] [ 0.797682] pci 0000:00:14.4: bridge window [mem 0xe8000000-0xefffffff pref] [ 0.805118] NET: Registered protocol family 2 [ 0.809681] IP route cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.817548] TCP established hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.827236] TCP bind hash table entries: 65536 (order: 7, 524288 bytes) [ 0.834995] TCP: Hash tables configured (established 131072 bind 65536) [ 0.841609] TCP reno registered [ 0.844765] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.850721] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.857377] NET: Registered protocol family 1 [ 0.862028] Trying to unpack rootfs image as initramfs... [ 1.131241] Freeing initrd memory: 3376k freed [ 1.142297] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 1.204111] HugeTLB registered 4 MB page size, pre-allocated 0 pages [ 1.222322] VFS: Disk quotas dquot_6.5.2 [ 1.226556] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 1.235737] msgmni has been set to 1508 [ 1.240845] cryptomgr_test used greatest stack depth: 7168 bytes left [ 1.242144] alg: No test for stdrng (krng) [ 1.251400] cryptomgr_test used greatest stack depth: 6888 bytes left [ 1.251816] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 1.251826] io scheduler noop registered [ 1.251830] io scheduler deadline registered [ 1.252119] io scheduler cfq registered (default) [ 1.252901] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 1.284116] ------------[ cut here ]------------ [ 1.288761] WARNING: at fs/proc/generic.c:825 remove_proc_entry+0xa5/0x1a7() [ 1.295811] name 'fan' [ 1.298183] Modules linked in: [ 1.301277] Pid: 1, comm: swapper Not tainted 2.6.34-sb800-bao #8 [ 1.307374] Call Trace: [ 1.309846] [<c10d90ba>] ? remove_proc_entry+0xa5/0x1a7 [ 1.315170] [<c102c926>] warn_slowpath_common+0x60/0x90 [ 1.320490] [<c102c98a>] warn_slowpath_fmt+0x24/0x27 [ 1.325551] [<c10d90ba>] remove_proc_entry+0xa5/0x1a7 [ 1.330703] [<c1537208>] ? acpi_button_init+0x0/0x4a [ 1.335763] [<c10d99df>] ? proc_mkdir_mode+0x2f/0x43 [ 1.340823] [<c1537252>] ? acpi_fan_init+0x0/0x2c [ 1.345621] [<c1537275>] acpi_fan_init+0x23/0x2c [ 1.350330] [<c1001139>] do_one_initcall+0x4c/0x131 [ 1.355306] [<c151b36a>] kernel_init+0x127/0x1a8 [ 1.360017] [<c151b243>] ? kernel_init+0x0/0x1a8 [ 1.364729] [<c1002d36>] kernel_thread_helper+0x6/0x10 [ 1.369982] ---[ end trace a7919e7f17c0a725 ]--- [ 1.390836] Linux agpgart interface v0.103 [ 1.395749] [drm] Initialized drm 1.1.0 20060810 [ 1.400376] [drm:i915_init] *ERROR* drm/i915 can't work without intel_agp module! [ 1.407861] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled ÿÿ[ 1.658895] do_IRQ: 1.55 No irq handler for vector (irq -1) [ 1.658906] do_IRQ: 2.55 No irq handler for vector (irq -1) [ 1.658918] do_IRQ: 7.55 No irq handler for vector (irq -1) [ 1.659095] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A [ 1.691713] brd: module loaded [ 1.699045] loop: module loaded [ 1.702199] Uniform Multi-Platform E-IDE driver [ 1.707240] ide-gd driver 1.18 [ 1.711848] ahci 0000:00:11.0: PCI->APIC IRQ transform: INT A -> IRQ 22 [ 1.718909] ahci 0000:00:11.0: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0xf impl IDE mode [ 1.726913] ahci 0000:00:11.0: flags: 64bit ncq sntf ilck pm led clo pmp pio slum part ccc [ 1.736741] scsi0 : ahci [ 1.739967] scsi1 : ahci [ 1.743131] scsi2 : ahci [ 1.746230] scsi3 : ahci [ 1.749227] ata1: SATA max UDMA/133 abar m1024@0xe0100000 port 0xe0100100 irq 22 [ 1.756626] ata2: SATA max UDMA/133 abar m1024@0xe0100000 port 0xe0100180 irq 22 [ 1.764023] ata3: SATA max UDMA/133 abar m1024@0xe0100000 port 0xe0100200 irq 22 [ 1.771417] ata4: SATA max UDMA/133 abar m1024@0xe0100000 port 0xe0100280 irq 22 [ 1.781034] Fixed MDIO Bus: probed [ 1.784481] console [netcon0] enabled [ 1.788150] netconsole: network logging started [ 1.793749] PNP: No PS/2 controller found. Probing ports directly. [ 2.052190] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 2.057650] mice: PS/2 mouse device common for all mice [ 2.063953] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 [ 2.070358] rtc0: alarms up to one day, 114 bytes nvram [ 2.076948] cpuidle: using governor ladder [ 2.081052] cpuidle: using governor menu [ 2.083879] ata2: SATA link down (SStatus 0 SControl 300) [ 2.083970] ata3: SATA link down (SStatus 0 SControl 300) [ 2.084112] ata4: SATA link down (SStatus 0 SControl 300) [ 2.107588] usbcore: registered new interface driver hiddev [ 2.113369] usbcore: registered new interface driver usbhid [ 2.118947] usbhid: USB HID core driver [ 2.126816] ALSA device list: [ 2.129795] No soundcards found. [ 2.133248] Netfilter messages via NETLINK v0.30. [ 2.138020] nf_conntrack version 0.5.0 (12067 buckets, 48268 max) [ 2.145034] ctnetlink v0.93: registering with nfnetlink. [ 2.151573] ip_tables: (C) 2000-2006 Netfilter Core Team [ 2.157034] TCP cubic registered [ 2.160277] NET: Registered protocol family 17 [ 2.164754] Using IPI No-Shortcut mode [ 2.236807] ata1: softreset failed (device not ready) [ 2.241870] ata1: applying SB600 PMP SRST workaround and retrying [ 2.400799] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 7.406122] ata1.00: qc timeout (cmd 0xec) [ 7.410238] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 7.874051] ata1: softreset failed (device not ready) [ 7.879108] ata1: applying SB600 PMP SRST workaround and retrying [ 8.038043] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 18.042696] ata1.00: qc timeout (cmd 0xec) [ 18.046809] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 18.052903] ata1: limiting SATA link speed to 1.5 Gbps [ 18.515635] ata1: softreset failed (device not ready) [ 18.520692] ata1: applying SB600 PMP SRST workaround and retrying [ 18.679630] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [ 48.681630] ata1.00: qc timeout (cmd 0xec) [ 48.685742] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 49.149568] ata1: softreset failed (device not ready) [ 49.154627] ata1: applying SB600 PMP SRST workaround and retrying [ 49.313563] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [ 49.330696] Freeing unused kernel memory: 372k freed [ 49.336697] Write protecting the kernel text: 3340k [ 49.341710] Write protecting the kernel read-only data: 1564k Mounting proc fi[ 49.355181] do_IRQ: 16 callbacks suppressed lesystem [ 49.356169] do_IRQ: 2.55 No irq handler for vector (irq -1) [ 49.360767] do_IRQ: 6.55 No irq handler for vector (irq -1) [ 49.360780] do_IRQ: 4.55 No irq handler for vector (irq -1) [ 49.355482] do_IRQ: 1.55 No irq handler for vector (irq -1) Mounting sysfs f[ 49.372768] do_IRQ: 3.55 No irq handler for vector (irq -1) [ 49.372778] do_IRQ: 4.55 No irq handler for vector (irq -1) ilesystem [ 49.372789] do_IRQ: 5.55 No irq handler for vector (irq -1) [ 49.372800] do_IRQ: 6.55 No irq handler for vector (irq -1) [ 49.372813] do_IRQ: 7.55 No irq handler for vector (irq -1) [ 49.372824] do_IRQ: 1.55 No irq handler for vector (irq -1) Creating /dev [ 49.692854] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver Creating initial device nodes [ 49.706978] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 49.713356] modprobe used greatest stack depth: 6828 bytes left [ 49.726499] uhci_hcd: USB Universal Host Controller Interface driver
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Bao, Zheng