Re: port-xen/59212: XEN3_DOM0 panics as NR_PIRQS is too small

["Hauke Fath via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR port-xen/59212; it has been noted by GNATS.

From: Hauke Fath <h.fath%nt.tu-darmstadt.de@localhost>
To: gnats-bugs%netbsd.org@localhost, port-xen-maintainer%netbsd.org@localhost,
        gnats-admin%netbsd.org@localhost
Cc: Hauke Fath <hf%spg.tu-darmstadt.de@localhost>
Subject: Re: port-xen/59212: XEN3_DOM0 panics as NR_PIRQS is too small
Date: Wed, 9 Apr 2025 14:31:01 +0200

 On 25.03.2025 14:00, netbsd%precedence.co.uk@localhost wrote:
 > A workaround, not a fix, is to increase NR_PIRQS as follows:
 
 FTR, I found this change necessary for a netbsd-10 xen dom0 on a 
 Supermicro H12SSW-INL with a 16 core AMD 7313P, to avoid
 
 [...]
 [   1.0000030] xhci0 at pci2 dev 0 function 3: AMD product 148c (rev.0x00)
 [   1.0000030] panic: pirq 6655 out of bound, increase NR_PIRQS
 [   1.0000030] cpu0: Begin traceback...
 [   1.0000030] vpanic() at netbsd:vpanic+0x177
 [   1.0000030] panic() at netbsd:panic+0x3c
 [   1.0000030] bind_pirq_to_evtch() at netbsd:bind_pirq_to_evtch+0x97
 [   1.0000030] intr_establish_xname() at netbsd:intr_establish_xname+0xe2
 [   1.0000030] x86_pci_msix_establish() at 
 netbsd:x86_pci_msix_establish+0x6c
 [   1.0000030] xhci_pci_attach() at netbsd:xhci_pci_attach+0x215
 [   1.0000030] config_attach_internal() at netbsd:config_attach[-- break 
 #0(1) sent -- `\z' -- Wed Apr  9 13:29:38 2025]
 db{0}> reboot
 
 
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