[Bug 1193374] New: [kernel 5.15.3][zpci] not initialized/supported: => lspci -v / lspci -k lists no PCI devices
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http://bugzilla.opensuse.org/show_bug.cgi?id=1193374 Bug ID: 1193374 Summary: [kernel 5.15.3][zpci] not initialized/supported: => lspci -v / lspci -k lists no PCI devices Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: S/390-64 OS: openSUSE Tumbleweed Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-bugs@opensuse.org Reporter: holger.rauch@posteo.de QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4743.0 Safari/537.36 Build Identifier: a bug search for "zpci" yielded no results, so I decided to file this as a new bug. Regarding the actual details: please see "steps to reproduce" below (to me it *seems* the missing PCI devices are a secondary error due to the missing zpci initialization, which in turn is due to the missing CPU facilities). Please also note that I haven't tried any other kernel releases besides the default kernel shipped with OpenSUSE Tumbleweed (which, at the time of this writing is 5.15.3) Interesting questions in this regard: 1. Are other CPU facilities missing, too (besides the two mentioned ones "69" and "71")? 2. Is there something like a reference list of all CPU facilities that "normally" are/should be supported? TIA for any additional help/info. Reproducible: Always Steps to Reproduce: 1. lspci -v / lspci -k => no devices listed (but interestingly, the exit status of both commands is zero) 2. sudo dmesg | grep zpci => zpci: PCI is not supported because CPU facilities 69 or 71 are not available 3. grep facilities /proc/cpuinfo => facilities : 0 1 2 3 4 6 7 8 9 10 12 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 57 58 59 60 61 73 74 75 76 77 80 81 82 128 129 130 131 133 134 135 146 147 148 150 151 152 155 156 168 => both CPU facilities indeed seem to be missing (note that the next facility number after "61" is "73") Actual Results: no PCI devices Expected Results: The "lspci" command should list some PCI devices uname -v => #1 SMP Fri Nov 19 08:35:39 UTC 2021 (404f576) The machine I tested this on is part of the LinuxONE Community Cloud. -- You are receiving this mail because: You are the assignee for the bug.
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--- Comment #1 from Holger Rauch
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--- Comment #2 from Holger Rauch
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--- Comment #3 from Holger Rauch
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--- Comment #4 from Sarah Kriesch
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Sarah Kriesch
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--- Comment #5 from Sarah Kriesch
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Sarah Kriesch
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--- Comment #6 from Berthold Gunreben
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--- Comment #7 from Sarah Kriesch
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--- Comment #8 from Sarah Kriesch
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--- Comment #9 from Sarah Kriesch
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--- Comment #10 from Sarah Kriesch
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--- Comment #11 from Sarah Kriesch
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--- Comment #14 from Holger Rauch
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--- Comment #15 from Sarah Kriesch
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--- Comment #17 from Sarah Kriesch
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--- Comment #18 from Sarah Kriesch
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