Messages in this thread | | | Date | Thu, 21 May 2015 14:21:33 +0800 | From | Fam Zheng <> | Subject | Re: [PATCH v6 1/2] PCI/MSI: Don't disable MSI/MSI-X at shutdown |
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On Tue, 05/19 09:58, Bjorn Helgaas wrote: > On Tue, May 12, 2015 at 03:03:32PM +0200, Michael S. Tsirkin wrote: > > d52877c7b1af ("pci/irq: let pci_device_shutdown to call pci_msi_shutdown > > v2") disabled MSI/MSI-X at device shutdown to address a kexec problem. > > ...
Hi Bjorn, > > I know you're trying to put all the justification in the changelog, and > that's great if it can be done. But would you please just add the single > link here to https://bugzilla.kernel.org/show_bug.cgi?id=96571 ? > > And please attach the dmesg log and instructions for reproducing the > problem to the bugzilla. I've asked for this before, and it seems like a > simple request, but maybe there's a reason it's more complicated than it > seems to me. It's obvious to you how all this fits together, but I'd like > it to be more concrete to the rest of us, too.
I've updated what I could see with current master build as much as I can, the softlockup is not observed in my tests, but the dmesg log already shows the spurious IRQ.
> > The bugzilla says Ulrich Obergfell noticed this in RHEL7. If there's a > RHEL bugzilla, it'd be nice to have a link to it in the kernel.org > bugzilla. Informal hints are great right now, but they'll be useless after > six months.
The original bug is not public accessible, so I didn't include the link.
Fam
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