From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 25 Aug 2002 05:11:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 25 Aug 2002 05:11:57 -0400 Received: from mailgate5.cinetic.de ([217.72.192.165]:24502 "EHLO mailgate5.cinetic.de") by vger.kernel.org with ESMTP id ; Sun, 25 Aug 2002 05:11:49 -0400 Date: Sun, 25 Aug 2002 11:15:57 +0200 Message-Id: <200208250915.g7P9FvX01623@mailgate5.cinetic.de> MIME-Version: 1.0 Organization: http://freemail.web.de/ From: To: linux-kernel@vger.kernel.org Subject: Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, I see high latencies on a new medion (MD9788) laptop. I had to use tha acpi patch to get a NIC module loaded into the kernel. There is a realtec 8139 chip onboard. I tried both Donald Beckers and the usual kernel module for that chip - with similar results: There are a lot lines in /var/log/messages like this: kernel: eth0: Too much work at interrupt, IntrStatus=0x0040. The NIC has a lot errors: eth0 Link encap:Ethernet HWaddr 00:07:CA:00:AC:A3 inet addr:10.0.0.30 Bcast:10.255.255.255 Mask:255.0.0.0 UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1 RX packets:802 errors:5860 dropped:290 overruns:5860 frame:0 TX packets:802 errors:0 dropped:0 overruns:0 carrier:0 collisions:3 txqueuelen:100 RX bytes:1116143 (1.0 Mb) TX bytes:63846 (62.3 Kb) Interrupt:10 Base address:0xf000 Disk access, like untaring a big tar file (e.g. kernel sources) are really slow. I see this effect with 2.4.18, 2.4.19, 2.4.20-pre4 kernels (with the matching acpi patch. without acpi patch the NIC is not usable). Could anybody tell me why there are such high IRQ latencies? Or are my assumptions wrong? For reference, here is a lspci: 00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133] (rev 80) 00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP] 00:06.0 Communication controller: Ambient Technologies Inc: Unknown device 4000 (rev 02) 00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 40 ) 00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06) 00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 1a) 00:07.4 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 40) 00:07.5 Multimedia audio controller: VIA Technologies, Inc. AC97 Audio Controlle r (rev 50) 00:09.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139 (rev 10) 00:0c.0 CardBus bridge: O2 Micro, Inc. OZ6933 Cardbus Controller (rev 01) 00:0c.1 CardBus bridge: O2 Micro, Inc. OZ6933 Cardbus Controller (rev 01) 01:00.0 VGA compatible controller: S3 Inc.: Unknown device 8d02 (rev 01) here is /proc/interrupts: CPU0 0: 175728 XT-PIC timer 1: 684 XT-PIC keyboard 2: 0 XT-PIC cascade 9: 0 XT-PIC acpi 10: 1965 XT-PIC eth0 14: 4011 XT-PIC ide0 15: 2 XT-PIC ide1 NMI: 0 ERR: 0 I have very limited knowledge about IRQs. Does anybody see how to fix the high IRQ latencies? If you need further informations, please drop me a mail. TIA Joerg and below is the dmesg: >pci_link-0183 [0001] [08] acpi_pci_link_get_curr: ----Entry pci_link-0259 [0001] [08] acpi_pci_link_get_curr: Link at IRQ 10 pci_link-0264 [0001] [08] acpi_pci_link_get_curr: ----Exit- 0000000000000000 ACPI: PCI Interrupt Link [LNKA] (IRQs *10) pci_link-0546 [0001] [07] acpi_pci_link_add : ----Exit- 0000000000000000 pci_link-0501 [0001] [07] acpi_pci_link_add : ----Entry pci_link-0099 [0001] [08] acpi_pci_link_get_poss: ----Entry pci_link-0164 [0001] [08] acpi_pci_link_get_poss: Found 1 possible IRQs pci_link-0169 [0001] [08] acpi_pci_link_get_poss: ----Exit- 0000000000000000 pci_link-0183 [0001] [08] acpi_pci_link_get_curr: ----Entry pci_link-0259 [0001] [08] acpi_pci_link_get_curr: Link at IRQ 10 pci_link-0264 [0001] [08] acpi_pci_link_get_curr: ----Exit- 0000000000000000 ACPI: PCI Interrupt Link [LNKB] (IRQs *10) pci_link-0546 [0001] [07] acpi_pci_link_add : ----Exit- 0000000000000000 pci_link-0501 [0001] [07] acpi_pci_link_add : ----Entry pci_link-0099 [0001] [08] acpi_pci_link_get_poss: ----Entry pci_link-0164 [0001] [08] acpi_pci_link_get_poss: Found 1 possible IRQs pci_link-0169 [0001] [08] acpi_pci_link_get_poss: ----Exit- 0000000000000000 pci_link-0183 [0001] [08] acpi_pci_link_get_curr: ----Entry pci_link-0259 [0001] [08] acpi_pci_link_get_curr: Link at IRQ 5 pci_link-0264 [0001] [08] acpi_pci_link_get_curr: ----Exit- 0000000000000000 ACPI: PCI Interrupt Link [LNKC] (IRQs *5) pci_link-0546 [0001] [07] acpi_pci_link_add : ----Exit- 0000000000000000 pci_link-0501 [0001] [07] acpi_pci_link_add : ----Entry pci_link-0099 [0001] [08] acpi_pci_link_get_poss: ----Entry pci_link-0164 [0001] [08] acpi_pci_link_get_poss: Found 1 possible IRQs pci_link-0169 [0001] [08] acpi_pci_link_get_poss: ----Exit- 0000000000000000 pci_link-0183 [0001] [08] acpi_pci_link_get_curr: ----Entry pci_link-0259 [0001] [08] acpi_pci_link_get_curr: Link at IRQ 5 pci_link-0264 [0001] [08] acpi_pci_link_get_curr: ----Exit- 0000000000000000 ACPI: PCI Interrupt Link [LNKD] (IRQs *5) pci_link-0546 [0001] [07] acpi_pci_link_add : ----Exit- 0000000000000000 pci_bind-0134 [0001] [05] acpi_pci_bind : ----Entry pci_bind-0146 [0001] [05] acpi_pci_bind : Binding PCI device [\_SB_.PCI0.PPB_]... pci_bind-0176 [0001] [05] acpi_pci_bind : ...to 00:00:01.00 pci_bind-0217 [0001] [05] acpi_pci_bind : Device 00:00:01.00 is a PCI bridge pci_bind-0260 [0001] [05] acpi_pci_bind : ----Exit- 0000000000000000 pci_bind-0134 [0001] [05] acpi_pci_bind : ----Entry pci_bind-0146 [0001] [05] acpi_pci_bind : Binding PCI device [\_SB_.PCI0.PPB_.VGA_]... pci_bind-0176 [0001] [05] acpi_pci_bind : ...to 00:01:00.00 pci_bind-0260 [0001] [05] acpi_pci_bind : ----Exit- 0000000000000000 pci_bind-0134 [0001] [05] acpi_pci_bind : ----Entry pci_bind-0146 [0001] [05] acpi_pci_bind : Binding PCI device [\_SB_.PCI0.USB0]... pci_bind-0176 [0001] [05] acpi_pci_bind : ...to 00:00:07.02 pci_bind-0260 [0001] [05] acpi_pci_bind : ----Exit- 0000000000000000 pci_bind-0134 [0001] [05] acpi_pci_bind : ----Entry pci_bind-0146 [0001] [05] acpi_pci_bind : Binding PCI device [\_SB_.PCI0.PM__]... pci_bind-0176 [0001] [05] acpi_pci_bind : ...to 00:00:07.04 pci_bind-0260 [0001] [05] acpi_pci_bind : ----Exit- 0000000000000000 pci_bind-0134 [0001] [05] acpi_pci_bind : ----Entry pci_bind-0146 [0001] [05] acpi_pci_bind : Binding PCI device [\_SB_.PCI0.AUDI]... pci_bind-0176 [0001] [05] acpi_pci_bind : ...to 00:00:07.05 pci_bind-0260 [0001] [05] acpi_pci_bind : ----Exit- 0000000000000000 pci_bind-0134 [0001] [05] acpi_pci_bind : ----Entry pci_bind-0146 [0001] [05] acpi_pci_bind : Binding PCI device [\_SB_.PCI0.MPC2]... pci_bind-0176 [0001] [05] acpi_pci_bind : ...to 00:00:09.00 pci_bind-0260 [0001] [05] acpi_pci_bind : ----Exit- 0000000000000000 pci_bind-0134 [0001] [05] acpi_pci_bind : ----Entry pci_bind-0146 [0001] [05] acpi_pci_bind : Binding PCI device [\_SB_.PCI0.MPCI]... pci_bind-0176 [0001] [05] acpi_pci_bind : ...to 00:00:06.00 pci_bind-0260 [0001] [05] acpi_pci_bind : ----Exit- 0000000000000000 pci_bind-0134 [0001] [06] acpi_pci_bind : ----Entry pci_bind-0146 [0001] [06] acpi_pci_bind : Binding PCI device [\_SB_.PCI0.CRD0]... pci_bind-0176 [0001] [06] acpi_pci_bind : ...to 00:00:0c.00 pci_bind-0217 [0001] [06] acpi_pci_bind : Device 00:00:0c.00 is a PCI bridge pci_bind-0260 [0001] [06] acpi_pci_bind : ----Exit- 0000000000000000 pci_bind-0134 [0001] [07] acpi_pci_bind : ----Entry pci_bind-0146 [0001] [07] acpi_pci_bind : Binding PCI device [\_SB_.PCI0.CRD1]... pci_bind-0176 [0001] [07] acpi_pci_bind : ...to 00:00:0c.01 pci_bind-0217 [0001] [07] acpi_pci_bind : Device 00:00:0c.01 is a PCI bridge pci_bind-0260 [0001] [07] acpi_pci_bind : ----Exit- 0000000000000000 ACPI: Power Resource [PFAN] (on) PCI: Probing PCI hardware pci_irq-0376 [0001] [04] acpi_pci_irq_init : ----Entry pci_link-0385 [0001] [05] acpi_pci_link_check : ----Entry pci_link-0446 [0001] [05] acpi_pci_link_check : ----Exit- 0000000000000000 pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0318 [0001] [05] acpi_pci_irq_enable : No interrupt pin configured for device 00:00.0 pci_irq-0319 [0001] [05] acpi_pci_irq_enable : ----Exit- 0000000000000000 pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0318 [0001] [05] acpi_pci_irq_enable : No interrupt pin configured for device 00:01.0 pci_irq-0319 [0001] [05] acpi_pci_irq_enable : ----Exit- 0000000000000000 pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0240 [0001] [06] acpi_pci_irq_lookup : ----Entry pci_irq-0244 [0001] [06] acpi_pci_irq_lookup : Searching for PRT entry for 00:00:06[A] pci_irq-0066 [0001] [07] acpi_pci_irq_find_prt_: ----Entry pci_irq-0080 [0001] [07] acpi_pci_irq_find_prt_: ----Exit- c129fac0 pci_link-0459 [0001] [07] acpi_pci_link_get_irq : ----Entry pci_link-0484 [0001] [07] acpi_pci_link_get_irq : ----Exit- 000000000000000A pci_irq-0264 [0001] [06] acpi_pci_irq_lookup : Found IRQ 10 pci_irq-0266 [0001] [06] acpi_pci_irq_lookup : ----Exit- 000000000000000A pci_irq-0354 [0001] [05] acpi_pci_irq_enable : Device 00:06.0 using IRQ 10 pci_irq-0361 [0001] [05] acpi_pci_irq_enable : Setting IRQ 10 as level-triggered pci_irq-0367 [0001] [05] acpi_pci_irq_enable : ----Exit- 000000000000000A pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0318 [0001] [05] acpi_pci_irq_enable : No interrupt pin configured for device 00:07.0 pci_irq-0319 [0001] [05] acpi_pci_irq_enable : ----Exit- 0000000000000000 pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0318 [0001] [05] acpi_pci_irq_enable : No interrupt pin configured for device 00:07.1 pci_irq-0319 [0001] [05] acpi_pci_irq_enable : ----Exit- 0000000000000000 pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0240 [0001] [06] acpi_pci_irq_lookup : ----Entry pci_irq-0244 [0001] [06] acpi_pci_irq_lookup : Searching for PRT entry for 00:00:07[D] pci_irq-0066 [0001] [07] acpi_pci_irq_find_prt_: ----Entry pci_irq-0080 [0001] [07] acpi_pci_irq_find_prt_: ----Exit- c129fa80 pci_link-0459 [0001] [07] acpi_pci_link_get_irq : ----Entry pci_link-0484 [0001] [07] acpi_pci_link_get_irq : ----Exit- 0000000000000005 pci_irq-0264 [0001] [06] acpi_pci_irq_lookup : Found IRQ 5 pci_irq-0266 [0001] [06] acpi_pci_irq_lookup : ----Exit- 0000000000000005 pci_irq-0354 [0001] [05] acpi_pci_irq_enable : Device 00:07.2 using IRQ 5 pci_irq-0361 [0001] [05] acpi_pci_irq_enable : Setting IRQ 5 as level-triggered pci_irq-0367 [0001] [05] acpi_pci_irq_enable : ----Exit- 0000000000000005 pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0318 [0001] [05] acpi_pci_irq_enable : No interrupt pin configured for device 00:07.4 pci_irq-0319 [0001] [05] acpi_pci_irq_enable : ----Exit- 0000000000000000 pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0240 [0001] [06] acpi_pci_irq_lookup : ----Entry pci_irq-0244 [0001] [06] acpi_pci_irq_lookup : Searching for PRT entry for 00:00:07[C] pci_irq-0066 [0001] [07] acpi_pci_irq_find_prt_: ----Entry pci_irq-0080 [0001] [07] acpi_pci_irq_find_prt_: ----Exit- c129fa40 pci_link-0459 [0001] [07] acpi_pci_link_get_irq : ----Entry pci_link-0484 [0001] [07] acpi_pci_link_get_irq : ----Exit- 0000000000000005 pci_irq-0264 [0001] [06] acpi_pci_irq_lookup : Found IRQ 5 pci_irq-0266 [0001] [06] acpi_pci_irq_lookup : ----Exit- 0000000000000005 pci_irq-0354 [0001] [05] acpi_pci_irq_enable : Device 00:07.5 using IRQ 5 pci_irq-0367 [0001] [05] acpi_pci_irq_enable : ----Exit- 0000000000000005 pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0240 [0001] [06] acpi_pci_irq_lookup : ----Entry pci_irq-0244 [0001] [06] acpi_pci_irq_lookup : Searching for PRT entry for 00:00:09[A] pci_irq-0066 [0001] [07] acpi_pci_irq_find_prt_: ----Entry pci_irq-0080 [0001] [07] acpi_pci_irq_find_prt_: ----Exit- c129fb00 pci_link-0459 [0001] [07] acpi_pci_link_get_irq : ----Entry pci_link-0484 [0001] [07] acpi_pci_link_get_irq : ----Exit- 000000000000000A pci_irq-0264 [0001] [06] acpi_pci_irq_lookup : Found IRQ 10 pci_irq-0266 [0001] [06] acpi_pci_irq_lookup : ----Exit- 000000000000000A pci_irq-0354 [0001] [05] acpi_pci_irq_enable : Device 00:09.0 using IRQ 10 pci_irq-0367 [0001] [05] acpi_pci_irq_enable : ----Exit- 000000000000000A pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0240 [0001] [06] acpi_pci_irq_lookup : ----Entry pci_irq-0244 [0001] [06] acpi_pci_irq_lookup : Searching for PRT entry for 00:00:0c[A] pci_irq-0066 [0001] [07] acpi_pci_irq_find_prt_: ----Entry pci_irq-0080 [0001] [07] acpi_pci_irq_find_prt_: ----Exit- c129fb40 pci_link-0459 [0001] [07] acpi_pci_link_get_irq : ----Entry pci_link-0484 [0001] [07] acpi_pci_link_get_irq : ----Exit- 000000000000000A pci_irq-0264 [0001] [06] acpi_pci_irq_lookup : Found IRQ 10 pci_irq-0266 [0001] [06] acpi_pci_irq_lookup : ----Exit- 000000000000000A pci_irq-0354 [0001] [05] acpi_pci_irq_enable : Device 00:0c.0 using IRQ 10 pci_irq-0367 [0001] [05] acpi_pci_irq_enable : ----Exit- 000000000000000A pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0240 [0001] [06] acpi_pci_irq_lookup : ----Entry pci_irq-0244 [0001] [06] acpi_pci_irq_lookup : Searching for PRT entry for 00:00:0c[B] pci_irq-0066 [0001] [07] acpi_pci_irq_find_prt_: ----Entry pci_irq-0080 [0001] [07] acpi_pci_irq_find_prt_: ----Exit- c129fb80 pci_link-0459 [0001] [07] acpi_pci_link_get_irq : ----Entry pci_link-0484 [0001] [07] acpi_pci_link_get_irq : ----Exit- 000000000000000A pci_irq-0264 [0001] [06] acpi_pci_irq_lookup : Found IRQ 10 pci_irq-0266 [0001] [06] acpi_pci_irq_lookup : ----Exit- 000000000000000A pci_irq-0354 [0001] [05] acpi_pci_irq_enable : Device 00:0c.1 using IRQ 10 pci_irq-0367 [0001] [05] acpi_pci_irq_enable : ----Exit- 000000000000000A pci_irq-0311 [0001] [05] acpi_pci_irq_enable : ----Entry pci_irq-0240 [0001] [06] acpi_pci_irq_lookup : ----Entry pci_irq-0244 [0001] [06] acpi_pci_irq_lookup : Searching for PRT entry for 00:01:00[A] pci_irq-0066 [0001] [07] acpi_pci_irq_find_prt_: ----Entry pci_irq-0084 [0001] [07] acpi_pci_irq_find_prt_: ----Exit- 00000000 pci_irq-0248 [0001] [06] acpi_pci_irq_lookup : PRT entry not found pci_irq-0249 [0001] [06] acpi_pci_irq_lookup : ----Exit- 0000000000000000 pci_irq-0278 [0001] [06] acpi_pci_irq_derive : ----Entry pci_irq-0240 [0001] [07] acpi_pci_irq_lookup : ----Entry pci_irq-0244 [0001] [07] acpi_pci_irq_lookup : Searching for PRT entry for 00:00:01[B] pci_irq-0066 [0001] [08] acpi_pci_irq_find_prt_: ----Entry pci_irq-0084 [0001] [08] acpi_pci_irq_find_prt_: ----Exit- 00000000 pci_irq-0248 [0001] [07] acpi_pci_irq_lookup : PRT entry not found pci_irq-0249 [0001] [07] acpi_pci_irq_lookup : ----Exit- 0000000000000000 pci_irq-0293 [0001] [06] acpi_pci_irq_derive : Unable to derive IRQ for device 01:00.0 pci_irq-0294 [0001] [06] acpi_pci_irq_derive : ----Exit- 0000000000000000 PCI: No IRQ known for interrupt pin A of device 01:00.0 - using IRQ 5 pci_irq-0349 [0001] [05] acpi_pci_irq_enable : ----Exit- 0000000000000005 pci_irq-0396 [0001] [04] acpi_pci_irq_init : ----Exit- 0000000000000000 Applying VIA southbridge workaround. isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket Starting kswapd ACPI: AC Adapter [ACAD] (on-line) ACPI: Battery Slot [BAT0] (battery present) ACPI: Power Button (FF) [PWRF] ACPI: Lid Switch [LID] ACPI: Fan [FAN] (on) ACPI: Processor [CPU0] (supports C1 C2, 16 throttling states) ACPI: Thermal Zone [THRM] (39 C) vesafb: framebuffer at 0xf0000000, mapped to 0xcf808000, size 15296k vesafb: mode is 1024x768x16, linelength=2048, pages=8 vesafb: protected mode interface info at c000:7f20 vesafb: scrolling: redraw vesafb: directcolor: size=0:5:6:5, shift=0:11:5:0 Console: switching to colour frame buffer device 128x48 fb0: VESA VGA frame buffer device vga16fb: initializing vga16fb: mapped to 0xc00a0000 fb1: VGA16 VGA frame buffer device Detected PS/2 Mouse Port. pty: 256 Unix98 ptys configured Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI ISAPNP enabled Uniform Multi-Platform E-IDE driver Revision: 6.31 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx hda: HITACHI_DK23DA-20, ATA DISK drive hdc: QSI DVD-ROM SDR-081, ATAPI CD/DVD-ROM drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 ide1 at 0x170-0x177,0x376 on irq 15 hda: 39070080 sectors (20004 MB) w/2048KiB Cache, CHS=2432/255/63 hdc: ATAPI 24X DVD-ROM drive, 512kB Cache Uniform CD-ROM driver Revision: 3.12 Partition check: hda: hda1 hda2 hda3 Floppy drive(s): fd0 is 1.44M FDC 0 is a post-1991 82077 RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP, IGMP IP: routing cache hash table of 2048 buckets, 16Kbytes TCP: Hash tables configured (established 16384 bind 16384) reiserfs: checking transaction log (device 03:01) ... Using r5 hash to sort names ReiserFS version 3.6.25 VFS: Mounted root (reiserfs filesystem) readonly. Freeing unused kernel memory: 240k freed NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. Adding Swap: 481940k swap-space (priority 42) 8139too Fast Ethernet driver 0.9.25 **** Context Switch from TID 1 to TID 134 **** pci_irq-0311 [0134] [04] acpi_pci_irq_enable : ----Entry pci_irq-0240 [0134] [05] acpi_pci_irq_lookup : ----Entry pci_irq-0244 [0134] [05] acpi_pci_irq_lookup : Searching for PRT entry for 00:00:09[A] pci_irq-0066 [0134] [06] acpi_pci_irq_find_prt_: ----Entry pci_irq-0080 [0134] [06] acpi_pci_irq_find_prt_: ----Exit- c129fb00 pci_irq-0264 [0134] [05] acpi_pci_irq_lookup : Found IRQ 10 pci_irq-0266 [0134] [05] acpi_pci_irq_lookup : ----Exit- 000000000000000A pci_irq-0354 [0134] [04] acpi_pci_irq_enable : Device 00:09.0 using IRQ 10 pci_irq-0367 [0134] [04] acpi_pci_irq_enable : ----Exit- 000000000000000A eth0: RealTek RTL8139 Fast Ethernet at 0xd07ef000, 00:07:ca:00:ac:a3, IRQ 10 eth0: Identified 8139 chip type 'RTL-8139C'