On 1 September 2011 01:17, John Baldwin <j...@freebsd.org> wrote: > On Wednesday, August 31, 2011 3:24:12 pm Sergey Kandaurov wrote: >> On 31 August 2011 21:34, John Baldwin <j...@freebsd.org> wrote: >> > I'd like some folks to test a patch to the mfi(4) driver that may help to >> > address issues several folks have reported. The patch does two things, >> > first >> > it adds some dummy reads of PCI registers when checking device status in >> > the >> > interrupt handler to "flush" the writes to ACK interrupts. The Linux >> > megaraid-sas driver uses this approach and some folks have tested a patch >> > from >> > Scott Long which had a somewhat similar effect. Second, it enables the >> > use of >> > MSI-X interrupts for many newer devices. >> > >> > The patch is available below and at www.freebsd.org/~jhb/patches/mfi.patch >> >> mfi0: <LSI MegaSAS Gen2> port 0x3000-0x30ff mem >> 0x9dd40000-0x9dd43fff,0x9dd00000-0x9dd3ffff irq 26 at device 0.0 on >> pci26 >> mfi0: Using MSI-X >> mfi0: Megaraid SAS driver Ver 3.00 >> >> However, booting never finishes ending up with: >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 58 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 88 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 118 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 148 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 179 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 209 SECONDS > > Did this work fine without the patch?
Yes, like a charm. > > Also, does it work fine if you disable MSI-X via 'hw.pci.enable_msix=0' > in the loader? I will try this tomorrow. Thanks. -- wbr, pluknet _______________________________________________ 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"