2009/10/25 Larry Finger <larry.fin...@lwfinger.net>: > On 10/25/2009 05:28 PM, Gábor Stefanik wrote: >> On Sun, Oct 25, 2009 at 11:08 PM, Linus Torvalds >> <torva...@linux-foundation.org> wrote: >>> >>> >>> On Sun, 25 Oct 2009, Chris Vine wrote: >>>> >>>> On Sun, 25 Oct 2009 22:40:50 +0100 Gábor Stefanik >>>> <netrolller...@gmail.com> suggested: >>>>> Another thing to test: boot into Windows (or any other OS where the [..] >>>> >>>> You already know that this eliminates the DMA errors. I have reported >>>> twice that if I boot up with the 2.6.27 kernel and install the broadcom >>>> b43 driver to intialise the wireless device, and then do a warm reboot >>>> to 2.6.32-rc5, then b43 works correctly. >>> >>> Is there some way to dump all the device registers behind the SSB bridge? >>> If so, dumping them for the warm-boot and cold-boot cases, and seeing >>> where they are different might be an obvious clue, and point to something >>> that isn't initialized correctly. >>> >> >> I don't know of such a method; however I have previously succeeded in >> using mmiotrace to find differences between wl and b43, so it might be >> of help in this case. However, this might be completely irrelevant, as >> I suspect that PhoenixBIOS is interfering with the DMA mappings of the >> card, which wl (and the Windows driver) works around somehow. (Is this >> "PR41573"? In that case, it's possible that the calibration patch - >> maybe in conjunction with a proper PHY reset - will fix it.) >> >> Larry: what BIOS are you testing on? > > The splash screen shows it to be a Phoenix BIOS.
Kinda odd - apparently not all Phoenix BIOS versions are affected. (Or is this Phoenix AwardBIOS, Award Modular BIOS's successor? That would explain why it doesn't reproduce the error.) > With dmidecode I see > the following: > > BIOS Information > Vendor: Hewlett-Packard > Version: F.21 > Release Date: 02/28/2008 > Address: 0xE7060 > Runtime Size: 102304 bytes > ROM Size: 1024 kB > Characteristics: > ISA is supported > PCI is supported > PC Card (PCMCIA) is supported > PNP is supported > APM is supported > BIOS is upgradeable > BIOS shadowing is allowed > ESCD support is available > Boot from CD is supported > ACPI is supported > USB legacy is supported > AGP is supported > BIOS boot specification is supported > Targeted content distribution is supported > BIOS Revision: 15.33 > Firmware Revision: 81.81 Is this all that dmidecode outputs? There is an important element towards the end of the dump that identifies a PhoenixBIOS, even if it is "cloaked". > > Larry > -- Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) _______________________________________________ Bcm43xx-dev mailing list Bcm43xx-dev@lists.berlios.de https://lists.berlios.de/mailman/listinfo/bcm43xx-dev
