this change | commit 23a274c8a5adafc74a66f16988776fc7dd6f6e51 | Author: Prakash, Sathya <sathya.prakash@xxxxxxx> | Date: Fri Mar 7 15:53:21 2008 +0530 | | [SCSI] mpt fusion: Enable MSI by default for SAS controllers | | This patch modifies the driver to enable MSI by default for all SAS chips. | cause kexec RHEL 5.1 kernel fail. root casue: the rhel 5.1 kernel still use INTx emulation. and mptscsih_shutdown doesn't call pci_disable_msi to reenable INTx on kexec path so try to call mptsas_remove in mptsas_shutdown. then pci_disable_msi will be called via mptsas_remove==>mptscih_remove==> mpt_detach. Signed-off-by: Yinghai Lu <yhlu.kernel@xxxxxxxxx> CC: Prakash, Sathya <sathya.prakash@xxxxxxx> CC: "Moore, Eric" <Eric.Moore@xxxxxxx> Index: linux-2.6/drivers/message/fusion/mptsas.c =================================================================== --- linux-2.6.orig/drivers/message/fusion/mptsas.c +++ linux-2.6/drivers/message/fusion/mptsas.c @@ -3327,6 +3327,11 @@ static void __devexit mptsas_remove(stru mptscsih_remove(pdev); } +static void mptsas_shutdown(struct pci_dev *pdev) +{ + mptsas_remove(pdev); +} + static struct pci_device_id mptsas_pci_table[] = { { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064, PCI_ANY_ID, PCI_ANY_ID }, @@ -3348,7 +3353,7 @@ static struct pci_driver mptsas_driver = .id_table = mptsas_pci_table, .probe = mptsas_probe, .remove = __devexit_p(mptsas_remove), - .shutdown = mptscsih_shutdown, + .shutdown = mptsas_shutdown, #ifdef CONFIG_PM .suspend = mptscsih_suspend, .resume = mptscsih_resume, -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html