Date: Fri, 3 May 2013 12:41:36 -0400 From: John Baldwin <jhb@freebsd.org> To: Alex Keda <admin@lissyara.su> Cc: hardware@freebsd.org, current@freebsd.org Subject: Re: No ATA disks on 9.1 Message-ID: <201305031241.36538.jhb@freebsd.org> In-Reply-To: <5182CA25.9030001@lissyara.su> References: <5182CA25.9030001@lissyara.su>
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On Thursday, May 02, 2013 4:18:45 pm Alex Keda wrote: > see begin in: > http://lists.freebsd.org/pipermail/freebsd-current/2012-November/038000.html Hmm, what I see is that hdac0 is affected by this, but it's a bit odd. Can you try the patch below, but can you also get the output of 'devinfo -u' and 'devinfo -rv' from the 9.0 kernel? Index: /home/jhb/work/freebsd/svn/head/sys/dev/pci/pci.c =================================================================== --- /home/jhb/work/freebsd/svn/head/sys/dev/pci/pci.c (revision 250212) +++ /home/jhb/work/freebsd/svn/head/sys/dev/pci/pci.c (working copy) @@ -2816,13 +2816,37 @@ */ res = resource_list_reserve(rl, bus, dev, type, ®, start, end, count, prefetch ? RF_PREFETCHABLE : 0); +#if 0 + if (res == NULL && (start != 0 || end != ~0ul)) { + /* + * If the allocation fails, try to allocate a resource for + * this BAR using any available range. The firmware felt + * it was important enough to assign a resource, so don't + * disable decoding if we can help it. + */ + resource_list_delete(rl, type, reg); + start = 0; + end = ~0ul; + resource_list_add(rl, type, reg, 0, ~0ul, count); + resource_list_add(rl, type, reg, start, end, count); + res = resource_list_reserve(rl, bus, dev, type, ®, 0, ~0ul, + count, prefetch ? RF_PREFETCHABLE : 0); + } +#endif if (res == NULL) { /* * If the allocation fails, delete the resource list entry - * to force pci_alloc_resource() to allocate resources - * from the parent. + * and disable decoding for this device. + * + * If the driver requests this resource in the future, + * pci_reserve_map() will try to allocate fresh resources. */ resource_list_delete(rl, type, reg); + pci_disable_io(dev, type); + device_printf(bus, + "pci%d:%d:%d:%d bar %#x failed to allocate\n", + pci_get_domain(dev), pci_get_bus(dev), pci_get_slot(dev), + pci_get_function(dev), reg); } else { start = rman_get_start(res); pci_write_bar(dev, pm, start); -- John Baldwin
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