Hi, with the replaced motherboard and express card slot of my Dell Vostro 3550 I do get a new Oops which I haven't seen so far. I think I inserted an eSATA card based on Sil3132 and it immediately slipped out of the slot (but am not sure, three different Oopses in a row). I can try to repeat that if there will be any demand. Attached is a camera picture of the Oops. wq_worker_sleeping __schedule schedule do_exit oops_end no_context ? acpi_ut_update_ref_count ? __bad_area_nosemaphore bad_area_nosemaphore do_page_fault ? sysfs_link_sibling ? find_smbios_instance_string ? smbios_instance_string_exist ? internal_create_group page_fault ? pci_bus_add_devices pciehp_configure_device pciehp_enable_slot ? pciehp_disable_slot pciehp_power_thread process_one_work worker_thread ? manage_workers.clone ? manage_workers.clone kthread kernel_thread_helper ? kthread_freezable_should_stop ? gs_change Maybe it helps? I can provide .config, usual dmesg output, acpidump ... Martin
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