From nobody Fri Aug 16 05:01:02 2024 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4WlVFR69fSz5HxRr; Fri, 16 Aug 2024 05:01:15 +0000 (UTC) (envelope-from oleg.nauman@gmail.com) Received: from mail-yw1-x1130.google.com (mail-yw1-x1130.google.com [IPv6:2607:f8b0:4864:20::1130]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4WlVFR1Gjqz4rMl; Fri, 16 Aug 2024 05:01:15 +0000 (UTC) (envelope-from oleg.nauman@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20230601 header.b=Pkk2rXqY; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of oleg.nauman@gmail.com designates 2607:f8b0:4864:20::1130 as permitted sender) smtp.mailfrom=oleg.nauman@gmail.com Received: by mail-yw1-x1130.google.com with SMTP id 00721157ae682-64b417e1511so16343227b3.3; 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charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.32 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.32)[-0.318]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; RCVD_TLS_LAST(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::1130:from]; TO_DN_SOME(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; FREEMAIL_FROM(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_FIVE(0.00)[5]; MID_RHS_MATCH_FROMTLD(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; TAGGED_FROM(0.00)[]; MLMMJ_DEST(0.00)[dev-commits-src-all@freebsd.org,dev-commits-src-main@freebsd.org]; RCVD_COUNT_ONE(0.00)[1]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MISSING_XM_UA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com] X-Rspamd-Queue-Id: 4WlVFR1Gjqz4rMl Hello, I can confirm that net/wifibox fails to operate after f44ff2aba2d6 On Wed, Aug 14, 2024 at 4:17=E2=80=AFAM Navdeep Parhar wro= te: > > On 7/31/24 7:50 AM, John Baldwin wrote: > > The branch main has been updated by jhb: > > > > URL: https://cgit.FreeBSD.org/src/commit/?id=3Df44ff2aba2d64d1d9312cb55= 008dc90275ccdc04 > > > > commit f44ff2aba2d64d1d9312cb55008dc90275ccdc04 > > Author: John Baldwin > > AuthorDate: 2024-07-31 14:50:33 +0000 > > Commit: John Baldwin > > CommitDate: 2024-07-31 14:50:33 +0000 > > > > bhyve: Treat the COMMAND register for PCI passthru devices as emul= ated > > > > Don't pass through writes of the command register through to the > > physical device. These registers do not need to be in sync, and i= n > > some cases (e.g. when the guest is sizing the BAR and temporarily > > disables decoding), the states need to diverge. > > This seems to break MSI-X interrupts for a device that is passed through > to a VM. That is, the device generates an interrupt but the driver in > the VM never receives it. Reverting this change fixes the problem. > > Regards, > Navdeep > >