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PCI: try "pci=use_crs" again [LWN.net]
https://lwn.net/Articles/373551/
From: Bjorn Helgaas <bjorn.helgaas@hp.com>. To: Jesse Barnes <jbarnes@Bug #662299 “Soundcard not detected (workaround: add “pci=use_cr ...
https://bugs.launchpad.net/bugs/662299
Oct 17, 2010 - I was using Ubuntu 10.04 64 bit with sound enabled. After I updated to Ubuntu 10.10 64 bit its saying no sound cards detected. Report generated by alsa-info.sh : http://www.alsa-project.org/db/?f=6fd7c2b5363fb860fbfdf2fcbce5af440562f0a1 Name of my Sound Card (onboard) anish@logika:~/Downloads$ ...FirmwareTestSuite/Reference/crs - Ubuntu Wiki
https://wiki.ubuntu.com/FirmwareTestSuite/Reference/crs
Jan 11, 2016 - One can force the use of _CRS by specifying "pci=use_crs". The BIOS age is new enough, pci=nocrs is not being used but the kernel has ignored the use of _CRS for some reason. The BIOS age is new enough, pci=crs is being used unnecessarily and the kernel is using _CRS. Otherwise the test will pass ...Bug 620313 – 2.6.34 kernel needs "pci=nocrs" option to boot on Dell ...
https://bugzilla.redhat.com/show_bug.cgi?id=620313
Aug 2, 2010 - (In reply to comment #14) > Applied patch V2 to kernel-2.6.34.6-54.fc13 and now my T3500 boots up fine > without pci=nocrs. Fetched the wrong kernel SRPM from koji. That one had "pci=nocrs" as default and therefore worked fine. Retested patch V2 with earlier kernel and this kernel (with pci=use_crs).[Linux-am33-list] [PATCH v5 0/5] PCI: try "pci=use_crs" again - Red Hat
https://www.redhat.com/archives/linux-am33-list/2010-February/msg00019.html
Feb 23, 2010 - Changes from v2 to v3: - Fix alpha, powerpc, and mn10300 references to pci_bus resource table - Turn on "pci=use_crs" for 2008 and newer, not 2010 and newer - Remove Toshiba A355 quirk (BIOS date is 2009, so automatically included) - Remove IBM x3850 and x3950 quirks (BIOS dates in 2008, ...fixing "pci=use_crs" - Google Groups
https://groups.google.com/d/topic/fa.linux.kernel/t6b0Qmtds4c
Sep 16, 2009 - We tried making "pci=use_crs" the default, which didn't work because it broke machines like Larry's. I'd like to look at that machine in more detail and figure out what it's doing. Larry, would you mind collecting the output of: # dmesg # cat /procAdvisory: (Revision) Linux - Kernel Is Not Configured To Use ACPI ...
https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c02495237
Jul 26, 2011 - Advisory: (Revision) Linux - Kernel Is Not Configured To Use ACPI _CRS, Preventing Access to Some PCI Device Option ROMs and Preventing Guests From Accessing the Option ROM For Pass-Thru PCI devices Unless pci=use_crs Is Used. NOTICE: The information in this document, including products ...Gentoo Forums :: View topic - Is pci=nocrs bad?
https://forums.gentoo.org/viewtopic-p-6455079.html
Oct 14, 2010 - 3 posts - ‎3 authors
"pci=nocrs" is used to discard ACPI resource information for various devices. This was default behavior before 2.6.34 (IIRC), but since then some improvements were made to resource handling and "pci=use_crs" is now default for very recent BIOSes (I believe BIOS dates within the last 2 years). If your BIOS ...Dual IOH PCIe resource allocation issue in linux - IBM BladeCenter ...
https://www.ibm.com/support/home/entry/portal/docdisplay?lndocid=migr...
Nov 23, 2011 - The Linux operating system versions in the Problem Isolation Aids list do not react correctly when installed on servers that contain two input/output hubs (IOHsBug#700544: linux-image-2.6.32-5-amd64: Error in ...
https://lists.debian.org/debian-kernel/2013/02/msg00205.html
Feb 15, 2013 - Does the kernel parameter 'pci=use_crs' avoid this? > > That works fine, thanks! Can this somehow be patched in the kernel or > shall we just change our boot parameters? Please test a kernel with the attached patches, applied in the order: x86-PCI-for-debuggability-show-host-bridge-windows-e.patch ...