linux-kernel - Re: 4.13.0-rc4 sparc64: can't allocate MSI-X affinity masks for 2 vectors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LRH.2.20.1708162136220.16834@math.ut.ee>
Date:   Wed, 16 Aug 2017 21:39:08 +0300 (EEST)
From:   Meelis Roos <mroos@...ux.ee>
To:     Bjorn Helgaas <helgaas@...nel.org>
cc:     sparclinux@...r.kernel.org, linux-pci@...r.kernel.org,
        qla2xxx-upstream@...gic.com,
        Linux Kernel list <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>
Subject: Re: 4.13.0-rc4 sparc64: can't allocate MSI-X affinity masks for 2
 vectors

> > > I noticed that in 4.13.0-rc4 there is a new error in dmesg on my sparc64 
> > > t5120 server: can't allocate MSI-X affinity masks.
> > > 
> > > [   30.274284] qla2xxx [0000:00:00.0]-0005: : QLogic Fibre Channel HBA Driver: 10.00.00.00-k.
> > > [   30.274648] qla2xxx [0000:10:00.0]-001d: : Found an ISP2432 irq 21 iobase 0x000000c100d00000.
> > > [   30.275447] qla2xxx 0000:10:00.0: can't allocate MSI-X affinity masks for 2 vectors
> > > [   30.816882] scsi host1: qla2xxx
> > > [   30.877294] qla2xxx: probe of 0000:10:00.0 failed with error -22
> > > [   30.877578] qla2xxx [0000:10:00.1]-001d: : Found an ISP2432 irq 22 iobase 0x000000c100d04000.
> > > [   30.878387] qla2xxx 0000:10:00.1: can't allocate MSI-X affinity masks for 2 vectors
> > > [   31.367083] scsi host1: qla2xxx
> > > [   31.427500] qla2xxx: probe of 0000:10:00.1 failed with error -22
> > > 
> > > I do not know if the driver works since nothing is attached to the FC 
> > > HBA at the moment, but from the error messages it looks like the driver 
> > > fails to load.
> > > 
> > > I booted 4.12 and 4.11 - the red error is not there but the failure 
> > > seems to be the same error -22:
> 
> 4.10.0 works, 4.11.0 errors out with EINVAL and 4.13-rc4 errorr sout 
> with more verbose MSI messages. So something between 4.10 and 4.11 has 
> broken it.

I can not reproduice the older kernels that misbehave. I checked out 
earlier kernels and recompiled them (old config lost, nothing changed 
AFAIK), everything works up to 4.12 inclusive.

> Also, 4.13-rc4 is broken on another sun4v here (T1000). So it seems to 
> be sun4v interrupt related.

This still holds - 4.13-rc4 has MSI trouble on at least 2 of my sun4v 
machines.

-- 
Meelis Roos (mroos@...ux.ee)