On 1 September 2011 01:27, Sergey Kandaurov <pluk...@gmail.com> wrote: > 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? >
Yes, it allows to finish the boot. -- 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"
