Message-ID: <30b73190-601e-0adb-c248-5ecb66951d0a@gmail.com>
Date:   Fri, 23 Aug 2019 20:08:39 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Aaro Koskinen <aaro.koskinen@....fi>
Cc:     netdev@...r.kernel.org, linux-mips@...r.kernel.org
Subject: Re: r8169: regression on MIPS/Loongson

On 23.08.2019 01:38, Aaro Koskinen wrote:
> Hi,
> 
> On Fri, Aug 23, 2019 at 12:52:34AM +0200, Heiner Kallweit wrote:
>> On 23.08.2019 00:25, Aaro Koskinen wrote:
>>> After upgrading from v5.2 to v5.3-rc5 on MIPS/Loongson board, copying
>>> large files from network with scp started to fail with "Integrity error".
>>> Bisected to:
>>>
>>> f072218cca5b076dd99f3dfa3aaafedfd0023a51 is the first bad commit
>>> commit f072218cca5b076dd99f3dfa3aaafedfd0023a51
>>> Author: Heiner Kallweit <hkallweit1@...il.com>
>>> Date:   Thu Jun 27 23:19:09 2019 +0200
>>>
>>>     r8169: remove not needed call to dma_sync_single_for_device
>>>
>>> Any idea what goes wrong? Should this change be reverted?
>>>



>> Typically the Realtek chips are used on Intel platforms and I haven't
>> seen any such report yet, so it seems to be platform-specific.
> 
> Probably. On my AMD x86_64 box r8169 works fine.
> 
>> Which board (DT config) is it, and can you provide a full dmesg?
> 
> This board does not use DT (support files are under arch/mips/loongson64).
> dmesg is below:
> 
> [    0.000000] Linux version 5.3.0-rc4-lemote-los_1bf0c (aakoskin@...-fx-6350) (gcc version 8.3.0 (GCC)) #1 Fri Aug 23 01:01:45 EEST 2019
> [    0.000000] memsize=256, highmemsize=256
> [    0.000000] CpuClock = 797800000
> [    0.000000] printk: bootconsole [early0] enabled
> [    0.000000] CPU0 revision is: 00006303 (ICT Loongson-2)
> [    0.000000] FPU revision is: 00000501
> [    0.000000] Checking for the multiply/shift bug... no.
> [    0.000000] Checking for the daddiu bug... no.
> [    0.000000] Determined physical RAM map:
> [    0.000000]  memory: 0000000010000000 @ 0000000000000000 (usable)
> [    0.000000]  memory: 0000000030000000 @ 0000000010000000 (reserved)
> [    0.000000]  memory: 0000000010000000 @ 0000000090000000 (usable)
> [    0.000000]  memory: 0000000010000000 @ 0000000080000000 (reserved)
> [    0.000000] Initrd not found or empty - disabling initrd
> [    0.000000] Primary instruction cache 64kB, VIPT, direct mapped, linesize 32 bytes.
> [    0.000000] Primary data cache 64kB, 4-way, VIPT, no aliases, linesize 32 bytes
> [    0.000000] Unified secondary cache 512kB 4-way, linesize 32 bytes.
> [    0.000000] Zone ranges:
> [    0.000000]   Normal   [mem 0x0000000000000000-0x000000009fffffff]
> [    0.000000] Movable zone start for each node
> [    0.000000] Early memory node ranges
> [    0.000000]   node   0: [mem 0x0000000000000000-0x000000003fffffff]
> [    0.000000]   node   0: [mem 0x0000000080000000-0x000000009fffffff]
> [    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000009fffffff]
> [    0.000000] On node 0 totalpages: 98304
> [    0.000000]   Normal zone: 336 pages used for memmap
> [    0.000000]   Normal zone: 0 pages reserved
> [    0.000000]   Normal zone: 98304 pages, LIFO batch:15
> [    0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
> [    0.000000] pcpu-alloc: [0] 0 
> [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 97968
> [    0.000000] Kernel command line: console=tty console=ttyS0,115200
> [    0.000000] Dentry cache hash table entries: 262144 (order: 7, 2097152 bytes, linear)
> [    0.000000] Inode-cache hash table entries: 131072 (order: 6, 1048576 bytes, linear)
> [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
> [    0.000000] Memory: 489664K/1572864K available (4863K kernel code, 467K rwdata, 876K rodata, 1968K init, 16616K bss, 1083200K reserved, 0K cma-reserved)
> [    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
> [    0.000000] NR_IRQS: 128
> [    0.000000] random: get_random_bytes called from start_kernel+0x368/0x620 with crng_init=0
> [    0.000000] Console: colour dummy device 80x25
> [    0.000000] printk: console [tty0] enabled
> [    0.000000] sched_clock: 64 bits at 250 Hz, resolution 4000000ns, wraps every 9007199254000000ns
> [    0.004000] Calibrating delay loop... 528.38 BogoMIPS (lpj=1056768)
> [    0.040000] pid_max: default: 32768 minimum: 301
> [    0.044000] Mount-cache hash table entries: 4096 (order: 1, 32768 bytes, linear)
> [    0.048000] Mountpoint-cache hash table entries: 4096 (order: 1, 32768 bytes, linear)
> [    0.052000] *** VALIDATE proc ***
> [    0.056000] Checking for the daddi bug... no.
> [    0.064000] devtmpfs: initialized
> [    0.068000] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
> [    0.072000] futex hash table entries: 256 (order: -2, 6144 bytes, linear)
> [    0.076000] NET: Registered protocol family 16
> [    0.080000] clocksource: mfgpt: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133486551712 ns
> [    0.124000] SCSI subsystem initialized
> [    0.128000] usbcore: registered new interface driver usbfs
> [    0.132000] usbcore: registered new interface driver hub
> [    0.136000] usbcore: registered new device driver usb
> [    0.140000] PCI host bridge to bus 0000:00
> [    0.148000] pci_bus 0000:00: root bus resource [mem 0x40000000-0x7fffffff]
> [    0.152000] pci_bus 0000:00: root bus resource [io  0x4000-0xffff]
> [    0.156000] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
> [    0.160000] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
> [    0.164000] pci 0000:00:06.0: [10ec:8169] type 00 class 0x020000
> [    0.168000] pci 0000:00:06.0: reg 0x10: [io  0xb100-0xb1ff]
> [    0.172000] pci 0000:00:06.0: reg 0x14: [mem 0x04075000-0x040750ff]
> [    0.176000] pci 0000:00:06.0: reg 0x30: [mem 0x04040000-0x0405ffff pref]
> [    0.180000] pci 0000:00:06.0: supports D1 D2
> [    0.184000] pci 0000:00:06.0: PME# supported from D1 D2 D3hot
> [    0.188000] pci 0000:00:08.0: [1039:0325] type 00 class 0x030000
> [    0.192000] pci 0000:00:08.0: reg 0x10: [mem 0x40000000-0x4fffffff pref]
> [    0.196000] pci 0000:00:08.0: reg 0x14: [mem 0x04000000-0x0403ffff]
> [    0.200000] pci 0000:00:08.0: reg 0x18: [io  0xb300-0xb37f]
> [    0.204000] pci 0000:00:08.0: reg 0x30: [mem 0x04060000-0x0406ffff pref]
> [    0.208000] pci 0000:00:08.0: supports D1 D2
> [    0.212000] pci 0000:00:0e.0: [1022:2090] type 00 class 0x060100
> [    0.216000] pci 0000:00:0e.0: reg 0x10: [io  0xb410-0xb417]
> [    0.220000] pci 0000:00:0e.0: reg 0x14: [io  0xb000-0xb0ff]
> [    0.224000] pci 0000:00:0e.0: reg 0x18: [io  0xb380-0xb3bf]
> [    0.228000] pci 0000:00:0e.0: reg 0x20: [io  0xb280-0xb2ff]
> [    0.232000] pci 0000:00:0e.0: reg 0x24: [io  0xb3c0-0xb3df]
> [    0.240000] pci 0000:00:0e.2: [1022:209a] type 00 class 0x010180
> [    0.244000] pci 0000:00:0e.2: reg 0x20: [io  0xb400-0xb40f]
> [    0.252000] pci 0000:00:0e.2: legacy IDE quirk: reg 0x10: [io  0x01f0-0x01f7]
> [    0.256000] pci 0000:00:0e.2: legacy IDE quirk: reg 0x14: [io  0x03f6]
> [    0.260000] pci 0000:00:0e.2: legacy IDE quirk: reg 0x18: [io  0x0170-0x0177]
> [    0.264000] pci 0000:00:0e.2: legacy IDE quirk: reg 0x1c: [io  0x0376]
> [    0.268000] pci 0000:00:0e.3: [1022:2093] type 00 class 0x040100
> [    0.272000] pci 0000:00:0e.3: reg 0x10: [io  0xb200-0xb27f]
> [    0.276000] pci 0000:00:0e.4: [1022:2094] type 00 class 0x0c0310
> [    0.280000] pci 0000:00:0e.4: reg 0x10: [mem 0x04074000-0x04074fff]
> [    0.288000] pci 0000:00:0e.5: [1022:2095] type 00 class 0x0c0320
> [    0.292000] pci 0000:00:0e.5: reg 0x10: [mem 0x04073000-0x04073fff]
> [    0.296000] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
> [    0.300000] pci 0000:00:08.0: BAR 0: assigned [mem 0x40000000-0x4fffffff pref]
> [    0.304000] pci 0000:00:08.0: BAR 1: assigned [mem 0x50000000-0x5003ffff]
> [    0.308000] pci 0000:00:06.0: BAR 6: assigned [mem 0x50040000-0x5005ffff pref]
> [    0.312000] pci 0000:00:08.0: BAR 6: assigned [mem 0x50060000-0x5006ffff pref]
> [    0.316000] pci 0000:00:0e.4: BAR 0: assigned [mem 0x50070000-0x50070fff]
> [    0.320000] pci 0000:00:0e.5: BAR 0: assigned [mem 0x50071000-0x50071fff]
> [    0.324000] pci 0000:00:06.0: BAR 0: assigned [io  0x4000-0x40ff]
> [    0.328000] pci 0000:00:06.0: BAR 1: assigned [mem 0x50072000-0x500720ff]
> [    0.332000] pci 0000:00:0e.0: BAR 1: assigned [io  0x4400-0x44ff]
> [    0.336000] pci 0000:00:08.0: BAR 2: assigned [io  0x4800-0x487f]
> [    0.340000] pci 0000:00:0e.0: BAR 4: assigned [io  0x4880-0x48ff]
> [    0.344000] pci 0000:00:0e.3: BAR 0: assigned [io  0x4c00-0x4c7f]
> [    0.348000] pci 0000:00:0e.0: BAR 2: assigned [io  0x4c80-0x4cbf]
> [    0.352000] pci 0000:00:0e.0: BAR 5: assigned [io  0x4cc0-0x4cdf]
> [    0.356000] pci 0000:00:0e.2: BAR 4: assigned [io  0x4ce0-0x4cef]
> [    0.360000] pci 0000:00:0e.0: BAR 0: assigned [io  0x4cf0-0x4cf7]
> [    0.364000] clocksource: Switched to clocksource mfgpt
> [    0.392000] NET: Registered protocol family 2
> [    0.396000] tcp_listen_portaddr_hash hash table entries: 1024 (order: 0, 16384 bytes, linear)
> [    0.400000] TCP established hash table entries: 16384 (order: 3, 131072 bytes, linear)
> [    0.404000] TCP bind hash table entries: 16384 (order: 3, 131072 bytes, linear)
> [    0.408000] TCP: Hash tables configured (established 16384 bind 16384)
> [    0.412000] UDP hash table entries: 1024 (order: 1, 32768 bytes, linear)
> [    0.416000] UDP-Lite hash table entries: 1024 (order: 1, 32768 bytes, linear)
> [    0.420000] NET: Registered protocol family 1
> [    0.424000] pci 0000:00:0e.4: enabling device (0000 -> 0002)
> [    0.428000] PCI: CLS 32 bytes, default 32
> [    0.888000] random: fast init done
> [    1.804000] workingset: timestamp_bits=62 max_order=15 bucket_order=0
> [    1.820000] NET: Registered protocol family 38
> [    1.824000] io scheduler bfq registered
> [    1.828000] slot: 8, pin: 1, irq: 38
> [    1.832000] sisfb 0000:00:08.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x3030
> [    1.836000] sisfb: Video ROM not found
> [    1.840000] sisfb: Video RAM at 0x40000000, mapped to 0x9000000040000000, size 32768k
> [    1.844000] sisfb: MMIO at 0x50000000, mapped to 0x9000000050000000, size 256k
> [    1.848000] sisfb: Memory heap starting at 32160K, size 32K
> [    3.140000] sisfb: Detected SiS301C video bridge
> [    3.220000] sisfb: Detected 1280x1024 flat panel
> [    3.304000] sisfb: CRT2 DDC supported
> [    3.304000] sisfb: CRT2 DDC level: 2 
> [    3.512000] sisfb: Monitor range H 30-81KHz, V 56-76Hz, Max. dotclock 140MHz
> [    3.516000] sisfb: Default mode is 1280x1024x8 (60Hz)
> [    3.520000] sisfb: Initial vbflags 0x10000022
> [    4.008000] Console: switching to colour frame buffer device 160x64
> [    4.068000] sisfb: 2D acceleration is enabled, y-panning enabled (auto-max)
> [    4.072000] fb0: SiS 315PRO frame buffer device version 1.8.9
> [    4.076000] sisfb: Copyright (C) 2001-2005 Thomas Winischhofer
> [    4.156000] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
> [    4.308000] printk: console [ttyS0] disabled
> [    4.316000] serial8250.0: ttyS0 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
> [    4.320000] printk: console [ttyS0] enabled
> [    4.324000] printk: bootconsole [early0] disabled
> [    4.808000] brd: module loaded
> [    5.036000] loop: module loaded
> [    5.040000] Uniform Multi-Platform E-IDE driver
> [    5.044000] amd74xx 0000:00:0e.2: UDMA100 controller
> [    5.048000] amd74xx 0000:00:0e.2: IDE controller (0x1022:0x209a rev 0x01)
> [    5.052000] amd74xx 0000:00:0e.2: IDE port disabled
> [    5.056000] amd74xx 0000:00:0e.2: not 100% native mode: will probe irqs later
> [    5.060000] legacy IDE will be removed in 2021, please switch to libata
> [    5.060000] Report any missing HW support to linux-ide@...r.kernel.org
> [    5.064000]     ide0: BM-DMA at 0x4ce0-0x4ce7
> [    5.068000] Probing IDE interface ide0...
> [    5.428000] hda: WDC WD1600BEVS-00VAT0, ATA DISK drive
> [    6.152000] hda: host max PIO5 wanted PIO255(auto-tune) selected PIO4
> [    6.152000] hda: UDMA/100 mode selected
> [    6.156000] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> [    6.160000] ide-gd driver 1.18
> [    6.164000] hda: max request size: 1024KiB
> [    6.244000] hda: 312581808 sectors (160041 MB) w/8192KiB Cache, CHS=19457/255/63
> [    6.248000] hda: cache flushes supported
> [    6.268000]  hda: hda1
> [    6.272000] slot: 6, pin: 1, irq: 36
> [    6.276000] libphy: r8169: probed
> [    6.280000] r8169 0000:00:06.0 eth0: RTL8169sc/8110sc, 00:23:9e:00:0f:54, XID 980, IRQ 36
> [    6.284000] r8169 0000:00:06.0 eth0: jumbo features [frames: 7152 bytes, tx checksumming: ok]
> [    6.288000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> [    6.292000] ehci-pci: EHCI PCI platform driver
> [    6.296000] ehci-pci 0000:00:0e.5: EHCI Host Controller
> [    6.300000] ehci-pci 0000:00:0e.5: new USB bus registered, assigned bus number 1
> [    6.304000] ehci-pci 0000:00:0e.5: irq 11, io mem 0x50071000
> [    6.440000] ehci-pci 0000:00:0e.5: USB 0.0 started, EHCI 1.00
> [    6.448000] hub 1-0:1.0: USB hub found
> [    6.460000] hub 1-0:1.0: 4 ports detected
> [    6.468000] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> [    6.472000] ohci-pci: OHCI PCI platform driver
> [    6.476000] ohci-pci 0000:00:0e.4: OHCI PCI host controller
> [    6.480000] ohci-pci 0000:00:0e.4: new USB bus registered, assigned bus number 2
> [    6.484000] ohci-pci 0000:00:0e.4: irq 11, io mem 0x50070000
> [    6.580000] hub 2-0:1.0: USB hub found
> [    6.592000] hub 2-0:1.0: 4 ports detected
> [    6.600000] usbcore: registered new interface driver usb-storage
> [    6.604000] loongson2_cpufreq: Loongson-2F CPU frequency driver
> [    6.608000] usbcore: registered new interface driver usbhid
> [    6.612000] usbhid: USB HID core driver
> [    6.620000] NET: Registered protocol family 17
> [    6.700000] Freeing unused kernel memory: 1968K
> [    6.704000] This architecture does not have kernel memory protection.
> [    6.708000] Run /init as init process
> [   10.868000] EXT4-fs (hda1): mounting ext3 file system using the ext4 subsystem
> [   12.756000] EXT4-fs (hda1): mounted filesystem with ordered data mode. Opts: (null)
> [   15.800000] RTL8211B Gigabit Ethernet r8169-30:00: attached PHY driver [RTL8211B Gigabit Ethernet] (mii_bus:phy_addr=r8169-30:00, irq=IGNORE)
> [   15.908000] r8169 0000:00:06.0 eth0: Link is Down
> [   18.424000] r8169 0000:00:06.0 eth0: Link is Up - 1Gbps/Full - flow control rx/tx
> 
> A.
> 
Thanks for reporting and the log. I'll revert the patch.

Heiner

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