On 09/16/2014 06:27 PM, Yinghai Lu wrote: > On Tue, Sep 16, 2014 at 1:21 PM, Joseph Salisbury > <joseph.salisbury@xxxxxxxxxxxxx> wrote: >> A new bug[0] was opened due to enabling PCI_REALLOC_ENABLE_AUTO, which >> is similar to the original bug[1] we discussed. >> >> Just wondering if there have been any additional ideas on realloc since >> this was last discussed? >> >> [0] http://pad.lv/1363313 >> [1] http://pad.lv/1245938 > This one looks different, that LSI card support SRIOV, but BIOS does not > allocate resource to SRIOV bar. > We release old resource and ...reallocate resource to them with two retries. > > [ 0.321983] pci_bus 0000:00: max bus depth: 1 pci_try_num: 2 > [ 0.322010] pci 0000:00:03.0: BAR 15: assigned [mem > 0xef800000-0xef8fffff pref] > [ 0.322025] pci 0000:01:00.0: reg 0x174: [mem 0x00000000-0x00003fff 64bit] > [ 0.322033] pci 0000:01:00.0: reg 0x17c: [mem 0x00000000-0x0003ffff 64bit] > [ 0.322040] pci 0000:01:00.0: reg 0x174: [mem 0x00000000-0x00003fff 64bit] > [ 0.322042] pci 0000:01:00.0: BAR 6: assigned [mem > 0xef800000-0xef87ffff pref] > [ 0.322051] pci 0000:01:00.0: reg 0x17c: [mem 0x00000000-0x0003ffff 64bit] > [ 0.322053] pci 0000:01:00.0: BAR 9: can't assign mem (size 0x400000) > [ 0.322061] pci 0000:01:00.0: reg 0x174: [mem 0x00000000-0x00003fff 64bit] > [ 0.322063] pci 0000:01:00.0: BAR 7: assigned [mem > 0xfbd00000-0xfbd3ffff 64bit] > [ 0.322070] pci 0000:00:03.0: PCI bridge to [bus 01] > [ 0.322073] pci 0000:00:03.0: bridge window [io 0xc000-0xcfff] > [ 0.322077] pci 0000:00:03.0: bridge window [mem 0xfbd00000-0xfbdfffff] > [ 0.322080] pci 0000:00:03.0: bridge window [mem > 0xef800000-0xef8fffff pref] > [ 0.322142] pci_bus 0000:00: No. 2 try to assign unassigned res > [ 0.322143] release child resource [mem 0xfbd00000-0xfbd3ffff 64bit] > [ 0.322144] release child resource [mem 0xfbd80000-0xfbdbffff 64bit] > [ 0.322145] release child resource [mem 0xfbdfc000-0xfbdfffff 64bit] > [ 0.322147] pci 0000:00:03.0: resource 14 [mem > 0xfbd00000-0xfbdfffff] released > [ 0.322148] pci 0000:00:03.0: PCI bridge to [bus 01] > [ 0.322156] pci 0000:00:03.0: bridge window [mem > 0x00100000-0x001fffff] to [bus 01] add_size 500000 > [ 0.322174] pci 0000:00:03.0: res[14]=[mem 0x00100000-0x001fffff] > get_res_add_size add_size 500000 > [ 0.322176] pci 0000:00:03.0: BAR 14: assigned [mem 0xefb00000-0xf00fffff] > [ 0.322185] pci 0000:01:00.0: reg 0x174: [mem 0xfbd00000-0xfbd03fff 64bit] > [ 0.322192] pci 0000:01:00.0: reg 0x17c: [mem 0x00000000-0x0003ffff 64bit] > [ 0.322194] pci 0000:01:00.0: res[9]=[mem > 0x00000000-0xffffffffffffffff 64bit] get_res_add_size add_size 400000 > [ 0.322196] pci 0000:01:00.0: res[7]=[mem > 0x00000000-0xffffffffffffffff 64bit] get_res_add_size add_size 40000 > [ 0.322198] pci 0000:01:00.0: BAR 3: assigned [mem > 0xefb00000-0xefb3ffff 64bit] > [ 0.322211] pci 0000:01:00.0: reg 0x17c: [mem 0x00000000-0x0003ffff 64bit] > [ 0.322212] pci 0000:01:00.0: BAR 9: assigned [mem > 0xefb40000-0xeff3ffff 64bit] > [ 0.322219] pci 0000:01:00.0: BAR 1: assigned [mem > 0xeff40000-0xeff43fff 64bit] > [ 0.322232] pci 0000:01:00.0: reg 0x174: [mem 0xfbd00000-0xfbd03fff 64bit] > [ 0.322234] pci 0000:01:00.0: BAR 7: assigned [mem > 0xeff44000-0xeff83fff 64bit] > [ 0.322241] pci 0000:00:03.0: PCI bridge to [bus 01] > [ 0.322244] pci 0000:00:03.0: bridge window [io 0xc000-0xcfff] > [ 0.322248] pci 0000:00:03.0: bridge window [mem 0xefb00000-0xf00fffff] > [ 0.322251] pci 0000:00:03.0: bridge window [mem > 0xef800000-0xef8fffff 64bit pref] > > So the resource realloc do work as expected. but LSI firmware has some > problem again? > > We may need to add command after the reset the bridge resource. > > Can you get bootlog with "pci=earlydump"? > > Thanks > > Yinghai Hi Yinghai, The user collected earlydump data, which can be found here: https://launchpadlibrarian.net/185141163/dmesg-pci%3Dearlydump -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
