Re: NetBSD-9.99.77's piixide, misses (lot's of) interupts on DELL Poweredge R310

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Newsgroups gmane.os.netbsd.ports.x86-64
Message-ID <[email protected]>
On Tue, Dec 15, 2020 at 11:12:26AM +0100, Martin Husemann wrote:
> Can you show the disk attachements from the old kernel?

jaguar-cage# dmesg | grep wd
wd0 at atabus0 drive 0
wd0: <WDC WD2502ABYS-18B7A0>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 232 GB, 484406 cyl, 16 head, 63 sec, 512 bytes/sect x 488281250 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(piixide0:0:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA)
wd1 at atabus1 drive 0
wd1: <WDC WD2502ABYS-18B7A0>
wd1: drive supports 16-sector PIO transfers, LBA48 addressing
wd1: 232 GB, 484406 cyl, 16 head, 63 sec, 512 bytes/sect x 488281250 sectors
wd1: 32-bit data port
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd1(piixide0:1:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA)
raid0: Components: /dev/wd0a /dev/wd1a

jaguar-cage# dmesg | grep xbd
xbd backend: attach device jags-gamma (size 25165824) for domain 1
xbd backend: attach device jags-scratchgam (size 100663296) for domain 1
xbd backend domain 1 handle 0x3 (3) using event channel 15, protocol x86_32-abi
xbd backend domain 1 handle 0x7 (7) using event channel 16, protocol x86_32-abi
xbd backend: attach device jags-delta (size 25165824) for domain 2
xbd backend domain 2 handle 0x1 (1) using event channel 21, protocol x86_32-abi
xbd backend: attach device jags-epsilon (size 25165824) for domain 3
xbd backend domain 3 handle 0x1 (1) using event channel 26, protocol x86_32-abi
xbd backend: attach device raid0g (size 20971520) for domain 4
xbd backend: attach device jags-scratchalp (size 20971520) for domain 4
xbd backend: attach device jags-zeta (size 10485760) for domain 5
xbd backend domain 5 handle 0x1 (1) using event channel 33, protocol x86_32-abi
xbd backend domain 4 handle 0x1 (1) using event channel 36, protocol x86_32-abi
xbd backend domain 4 handle 0x7 (7) using event channel 37, protocol x86_32-abi


> Do the disks downgrade transfer modes on first access (or soonish)?

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