[Bug 201194] Kernel: ahcich: Timeout in slot

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201194

Chris Platts <chris.platts at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |chris.platts at gmail.com

--- Comment #4 from Chris Platts <chris.platts at gmail.com> ---
Same issue for me.  No problem on 10.0-RELEASE -- it all began after a
freebsd-update to 10.2-RELEASE.

It's happening across two ahci interfaces:

ahci0: <ASMedia ASM1061 AHCI SATA controller> port
0xd800-0xd807,0xd400-0xd403,0xd000-0xd007,0xc800-0xc803,0xc400-0xc41f mem
0xfdfffc00-0xfdfffdff irq 18 at device 0.0 on pci1
ahci0: AHCI v1.20 with 2 6Gbps ports, Port Multiplier supported

ahci1: <AMD SB7x0/SB8x0/SB9x0 AHCI SATA controller> port
0xb000-0xb007,0xa000-0xa003,0x9000-0x9007,0x8000-0x8003,0x7000-0x700f mem
0xfdeffc00-0xfdefffff irq 19 at device 17.0 on pci0
ahci1: AHCI v1.20 with 6 3Gbps ports, Port Multiplier supported
ahci1: quirks=0x22000<ATI_PMP_BUG,1MSI>

I've tried disabling MSI on the AHCI interfaces via hints in /boot/loader.conf
but the problem persists.

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