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Mon, 13 Oct 2025 17:02:12 +0200 (CEST) Message-ID: <69dc773c-e059-4a2d-96de-5e2952dc165c@xenosoft.de> Date: Mon, 13 Oct 2025 17:02:12 +0200 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PPC] Boot problems after the pci-v6.18-changes From: Christian Zigotzky To: Manivannan Sadhasivam Cc: Lukas Wunner , Manivannan Sadhasivam , =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , Bjorn Helgaas , linux-pci@vger.kernel.org, mad skateman , "R.T.Dickinson" , Christian Zigotzky , linuxppc-dev , hypexed@yahoo.com.au, Darren Stevens , debian-powerpc@lists.debian.org References: <2E40B1CD-5EDA-4208-8914-D1FC02FE8185@xenosoft.de> <7FB0AB81-AD0F-420D-B2CB-F81C5E47ADF3@xenosoft.de> <3fba6283-c8e8-48aa-9f84-0217c4835fb8@xenosoft.de> Content-Language: de-DE In-Reply-To: <3fba6283-c8e8-48aa-9f84-0217c4835fb8@xenosoft.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 13 October 2025 at 04:50 pm, Christian Zigotzky wrote: > On 13 October 2025 at 07:23 am, Christian Zigotzky wrote: >> Better for testing (All AMD graphics cards): >> >> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c >> index 214ed060ca1b..e006b0560b39 100644 >> --- a/drivers/pci/quirks.c >> +++ b/drivers/pci/quirks.c >> @@ -2525,6 +2525,15 @@ static void quirk_disable_aspm_l0s_l1(struct >> pci_dev *dev) >> */ >> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x1080, >> quirk_disable_aspm_l0s_l1); >> >> + >> +static void quirk_disable_aspm_all(struct pci_dev *dev) >> +{ >> +       pci_info(dev, "Disabling ASPM\n"); >> +       pci_disable_link_state(dev, PCIE_LINK_STATE_ALL); >> +} >> + >> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID, >> quirk_disable_aspm_all); >> + >> /* >> * Some Pericom PCIe-to-PCI bridges in reverse mode need the PCIe Retrain >> * Link bit cleared after starting the link retrain process to allow this > This patch has solved the boot issue but I get the following error > messages again and again: > > [  186.765644] pcieport 0001:00:00.0: AER: Correctable error message > received from 0001:00:00.0 (no details found > [  187.789034] pcieport 0001:00:00.0: AER: Correctable error message > received from 0001:00:00.0 > [  187.789052] pcieport 0001:00:00.0: PCIe Bus Error: > severity=Correctable, type=Data Link Layer, (Transmitter ID) > [  187.789058] pcieport 0001:00:00.0:   device [1957:0451] error > status/mask=00001000/00002000 > [  187.789066] pcieport 0001:00:00.0:    [12] Timeout > [  187.789120] pcieport 0001:00:00.0: AER: Correctable error message > received from 0001:00:00.0 (no details found > [  187.789169] pcieport 0001:00:00.0: AER: Correctable error message > received from 0001:00:00.0 (no details found > [  187.789218] pcieport 0001:00:00.0: AER: Correctable error message > received from 0001:00:00.0 (no details found > [  188.812514] pcieport 0001:00:00.0: AER: Correctable error message > received from 0001:00:00.0 > > I don't get these messages with the revert patch. [1] > > -- Christian > > [1] > https://github.com/chzigotzky/kernels/blob/main/patches/e5500/pci.patch > > 0001:00:00.0 PCI bridge: Freescale Semiconductor Inc Device 0451 (rev 21)