On Tue, Apr 08, 2025 at 10:46:12PM +0200, Thomas Gleixner wrote:
> On Tue, Apr 08 2025 at 18:20, Bert Karwatzki wrote:
> > Am Dienstag, dem 08.04.2025 um 17:29 +0200 schrieb Thomas Gleixner:
> >> > Can you please decode the lines please via:
> >> >
> >> >     scripts/faddr2line vmlinux msi_domain_first_desc+0x4/0x30
> >> >     scripts/faddr2line vmlinux msix_setup_interrupts+0x23b/0x280

Also hit this, bisected to this change and in my case it's Clang 19.

> > I had to recompile with CONFIG_DEBUG_INFO=Y, and reran the test, the 
> > calltrace
> > is identical.
> >
> > $ scripts/faddr2line vmlinux msi_domain_first_desc+0x4/0x30
> > msi_domain_first_desc+0x4/0x30:
> > msi_domain_first_desc at kernel/irq/msi.c:400
> >
> > So it seems msi_domain_first_desc() is called with dev = NULL.
> 
> Yup
> 
> > $ scripts/faddr2line vmlinux msix_setup_interrupts+0x23b/0x280
> > msix_setup_interrupts+0x23b/0x280:
> > msix_update_entries at drivers/pci/msi/msi.c:647 (discriminator 1)
> 
> Aaarg. The patch below should fix that.

Tested-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>

-- 
With Best Regards,
Andy Shevchenko



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