I am having the same issue since Feb 20 which was my last update. ahcich1: Timeout on slot 3 ahcich1: is 00000000 cs 00000018 ss 00000000 rs 00000018 tfd d0 serr 00000000 ahcich1: Timeout on slot 5 ahcich1: is 00000000 cs 00000060 ss 00000000 rs 00000060 tfd d0 serr 00000000 ahcich1: Timeout on slot 7 ahcich1: is 00000000 cs 00000180 ss 00000000 rs 00000180 tfd d0 serr 00000000 ahcich1: Timeout on slot 9 ahcich1: is 00000000 cs 00000600 ss 00000000 rs 00000600 tfd d0 serr 00000000
> dmesg | grep ahci ahci0: <Intel ICH9M AHCI SATA controller> port 0x1c40-0x1c47,0x1834-0x1837,0x1838-0x183f,0x1830-0x1833,0x1c20-0x1c3f mem 0xfc226000-0xfc2267ff irq 16 at device 31.2 on pci0 ahci0: [ITHREAD] ahci0: AHCI v1.20 with 4 3Gbps ports, Port Multiplier not supported ahcich0: <AHCI channel> at channel 0 on ahci0 ahcich0: [ITHREAD] ahcich1: <AHCI channel> at channel 1 on ahci0 ahcich1: [ITHREAD] ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 cd0 at ahcich1 bus 0 scbus1 target 0 lun 0 On Tue, Feb 23, 2010 at 10:40 AM, Harald Schmalzbauer <h.schmalzba...@omnilan.de> wrote: > Hello, > > I'm frequently getting my machine locked with ahcichX timeouts: > ahcich2: Timeout on slot 0 > ahcich2: is 00000000 cs 00000001 ss 00000000 rs 00000001 tfd c0 serr > 00000000 > ahcich2: Timeout on slot 8 > ahcich2: is 00000000 cs 00000100 ss 00000000 rs 00000100 tfd c0 serr > 00000000 > ahcich2: Timeout on slot 8 > ahcich2: is 00000000 cs fffff07f ss ffffff7f rs ffffff7f tfd c0 serr > 00000000 > ... > > This happens when backup over GbE overloads ZFS/HDD capabilities. > I reduced vfs.zfs.txg.timeout to 1 to prevent the machine from locking up > almost immediately, but from it still happens. > When I don't use ahci but ataahci (the old driver if I understand things > correct) I also see the ZFS burst write congestion, but this doesn't lead to > controller timeouts, thus blocking the machine. > > Sometimes the machine recovers from the disk lock, but most often I have to > reboot. > > Kernel is from Feb. 19, so recent ahci improovements are active. > Controller is ICH9R with 3 Samsung F3 SpinPoints. > > Any ideas how to work arround the hangs other than using the old ahci > driver? > > Thanks, > > -Harry > > _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
