Bug 219540
| Summary: | [Bisected] [Regression] "PCI: Distribute available resources for root buses, too" | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Kai-Heng Feng (kaihengf) |
| Component: | PCI | Assignee: | drivers_pci (drivers_pci) |
| Status: | NEW --- | ||
| Severity: | normal | CC: | mika.westerberg |
| Priority: | P3 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | Subsystem: | ||
| Regression: | No | Bisected commit-id: | |
| Attachments: |
dmesg
dmesg, commit reverted lspci lspci, commit reverted iomem iomem, commit reverted |
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Created attachment 307294 [details]
dmesg
Created attachment 307295 [details]
dmesg, commit reverted
Created attachment 307296 [details]
lspci
Created attachment 307297 [details]
lspci, commit reverted
Created attachment 307298 [details]
iomem
Created attachment 307299 [details]
iomem, commit reverted
Mika, Could you take a look please? Looks like this is your patch. There is already a patch from Kai-Heng: https://lore.kernel.org/linux-pci/20241128084039.54972-1-kaihengf@nvidia.com/ |
Commit 7180c1d08639 ("PCI: Distribute available resources for root buses, too") breaks BAR assignment on some devcies: [ 10.021193] pci 0006:03:00.0: BAR 0 [mem 0x6300c0000000-0x6300c1ffffff 64bit pref]: assigned [ 10.029880] pci 0006:03:00.1: BAR 0 [mem 0x6300c2000000-0x6300c3ffffff 64bit pref]: assigned [ 10.038561] pci 0006:03:00.2: BAR 0 [mem size 0x00800000 64bit pref]: can't assign; no space [ 10.047191] pci 0006:03:00.2: BAR 0 [mem size 0x00800000 64bit pref]: failed to assign [ 10.055285] pci 0006:03:00.0: VF BAR 0 [mem size 0x02000000 64bit pref]: can't assign; no space [ 10.064180] pci 0006:03:00.0: VF BAR 0 [mem size 0x02000000 64bit pref]: failed to assign [ 10.072543] pci 0006:03:00.1: VF BAR 0 [mem size 0x02000000 64bit pref]: can't assign; no space [ 10.081437] pci 0006:03:00.1: VF BAR 0 [mem size 0x02000000 64bit pref]: failed to assign