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Re: kernel 4.15.7/64bit, C3600 is unstable during heavy I/O on PCI



This is info about PCI devices that Carlo sent me.  It would help if we lnew where 0x4046b840 was in the kernel. From the IIR, 0xf3c001c, it seems the timeout occurred on a byte operation.

Dave

On 2018-03-17 2:58 PM, Carlo Pisani wrote:
Probably, it would be useful to have verbose output from lspci posted to
list as well.

c3600 ~ $ lspci -v
00:0c.0 Ethernet controller: Digital Equipment Corporation DECchip
21142/43 (rev 41)
         Subsystem: Hewlett-Packard Company DECchip 21142/43
         Flags: bus master, medium devsel, latency 255, IRQ 17
         I/O ports at 1000 [size=128]
         Memory at fffffffff4008000 (32-bit, non-prefetchable) [size=1K]
         Expansion ROM at fffffffff4040000 [disabled] [size=256K]
         Kernel driver in use: tulip
lspci: Unable to load libkmod resources: error -12

00:0d.0 Multimedia audio controller: Analog Devices Device 1889
         Subsystem: Analog Devices Device 1889
         Flags: bus master, medium devsel, latency 255, IRQ 18
         Memory at fffffffff400c000 (32-bit, prefetchable) [size=512]
         Memory at fffffffff400b000 (32-bit, prefetchable) [size=16]
         Memory at fffffffff400a000 (32-bit, prefetchable) [size=16]
         Memory at fffffffff4009000 (32-bit, prefetchable) [size=16]
         Capabilities: [dc] Power Management version 1
         Kernel driver in use: snd_ad1889

00:0e.0 IDE interface: National Semiconductor Corporation 87415/87560
IDE (rev 03) (prog-if 8f [Master SecP SecO PriP PriO])
         Flags: bus master, medium devsel, latency 255, IRQ 7
         I/O ports at 0f00 [size=8]
         I/O ports at 0e00 [size=4]
         I/O ports at 0d00 [size=8]
         I/O ports at 0b00 [size=4]
         I/O ports at 0a00 [size=16]
         Kernel driver in use: NS87415_IDE

00:0e.1 Bridge: National Semiconductor Corporation 87560 Legacy I/O (rev 01)
         Flags: bus master, medium devsel, latency 255, IRQ 19
         Kernel driver in use: SuperIO

00:0e.2 USB controller: National Semiconductor Corporation USB
Controller (rev 02) (prog-if 10 [OHCI])
         Flags: bus master, medium devsel, latency 240, IRQ 1
         Memory at fffffffff4007000 (32-bit, non-prefetchable) [size=4K]
         Memory at fffffffff4006000 (32-bit, non-prefetchable) [size=4K]
         Kernel driver in use: ohci-pci

00:0f.0 SCSI storage controller: LSI Logic / Symbios Logic 53C896/897 (rev 07)
         Subsystem: LSI Logic / Symbios Logic LSI53C896/7 PCI to Dual
Channel Ultra2 SCSI Multifunction Controller
         Flags: bus master, medium devsel, latency 255, IRQ 20
         I/O ports at 0900 [size=256]
         Memory at fffffffff4005000 (64-bit, non-prefetchable) [size=1K]
         Memory at fffffffff4002000 (64-bit, non-prefetchable) [size=8K]
         Capabilities: [40] Power Management version 2
         Kernel driver in use: sym53c8xx

00:0f.1 SCSI storage controller: LSI Logic / Symbios Logic 53C896/897 (rev 07)
         Subsystem: LSI Logic / Symbios Logic LSI53C896/7 PCI to Dual
Channel Ultra2 SCSI Multifunction Controller
         Flags: bus master, medium devsel, latency 255, IRQ 20
         I/O ports at 0800 [size=256]
         Memory at fffffffff4004000 (64-bit, non-prefetchable) [size=1K]
         Memory at fffffffff4000000 (64-bit, non-prefetchable) [size=8K]
         Capabilities: [40] Power Management version 2
         Kernel driver in use: sym53c8xx

01:05.0 RAID bus controller: VIA Technologies, Inc. VT6421 IDE/SATA
Controller (rev 50)
         Subsystem: VIA Technologies, Inc. VT6421 IDE/SATA Controller
         Flags: bus master, medium devsel, latency 240, IRQ 21
         I/O ports at 12500 [size=16]
         I/O ports at 12400 [size=16]
         I/O ports at 12300 [size=16]
         I/O ports at 12200 [size=16]
         I/O ports at 12100 [size=32]
         I/O ports at 12000 [size=256]
         Expansion ROM at fffffffff4800000 [disabled] [size=64K]
         Capabilities: [e0] Power Management version 2
         Kernel driver in use: sata_via


The requesting device was 10/1/5/0.

--
John David Anglin  dave.anglin@bell.net


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