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[176.184.47.79]) by smtp.gmail.com with ESMTPSA id v12-20020a05600c214c00b003fbe791a0e8sm17273292wml.0.2023.09.05.08.12.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 05 Sep 2023 08:12:17 -0700 (PDT) Message-ID: Date: Tue, 5 Sep 2023 17:12:15 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: mips system emulation failure with virtio Content-Language: en-US To: Richard Purdie , =?UTF-8?Q?Alex_Benn=c3=a9e?= Cc: qemu-devel@nongnu.org, Aurelien Jarno , Jiaxun Yang , Aleksandar Rikalo , Richard Henderson References: <4f2a4b734b20b80857d56af986335f78a92a0fff.camel@linuxfoundation.org> <87pm2whfyn.fsf@linaro.org> <0cbd86af5501f18007a926598c6e2232af240d00.camel@linuxfoundation.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: <0cbd86af5501f18007a926598c6e2232af240d00.camel@linuxfoundation.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::22d; envelope-from=philmd@linaro.org; helo=mail-lj1-x22d.google.com X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-1.473, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hi Richard, On 5/9/23 16:50, Richard Purdie wrote: > On Tue, 2023-09-05 at 14:59 +0100, Alex Bennée wrote: >> Richard Purdie writes: >> >>> With qemu 8.1.0 we see boot hangs fox x86-64 targets. >>> >>> These are fixed by 0d58c660689f6da1e3feff8a997014003d928b3b (softmmu: >>> Use async_run_on_cpu in tcg_commit) but if I add that commit, mips and >>> mips64 break, hanging at boot unable to find a rootfs. Are you testing mipsel / mips64el? >>> We use virtio for network and disk and both of those change in the >>> bootlog from messages like: >>> >>> [ 1.726118] virtio-pci 0000:00:13.0: enabling device (0000 -> 0003) >>> [ 1.728864] virtio-pci 0000:00:14.0: enabling device (0000 -> 0003) >>> [ 1.729948] virtio-pci 0000:00:15.0: enabling device (0000 -> 0003) >>> ... >>> [ 2.162148] virtio_blk virtio2: 1/0/0 default/read/poll queues >>> [ 2.168311] virtio_blk virtio2: [vda] 1184242 512-byte logical >>> >>> to: >>> >>> [ 1.777051] virtio-pci 0000:00:13.0: enabling device (0000 -> 0003) >>> [ 1.779822] virtio-pci 0000:00:14.0: enabling device (0000 -> 0003) >>> [ 1.780926] virtio-pci 0000:00:15.0: enabling device (0000 -> 0003) >>> ... >>> [ 1.894852] virtio_rng: probe of virtio1 failed with error -28 >>> ... >>> [ 2.063553] virtio_blk virtio2: 1/0/0 default/read/poll queues >>> [ 2.064260] virtio_blk: probe of virtio2 failed with error -28 >>> [ 2.069080] virtio_net: probe of virtio0 failed with error -28 >>> >>> >>> i.e. the virtio drivers no longer work. >> >> Interesting, as you say this seems to be VirtIO specific as the baseline >> tests (using IDE) work fine: >> >> ➜ ./tests/venv/bin/avocado run ./tests/avocado/tuxrun_baselines.py:test_mips64 >> JOB ID : 71f3e3b7080164b78ef1c8c1bb6bc880932d8c9b >> JOB LOG : /home/alex/avocado/job-results/job-2023-09-05T15.01-71f3e3b/job.log >> (1/2) ./tests/avocado/tuxrun_baselines.py:TuxRunBaselineTest.test_mips64: PASS (12.19 s) >> (2/2) ./tests/avocado/tuxrun_baselines.py:TuxRunBaselineTest.test_mips64el: PASS (11.78 s) >> RESULTS : PASS 2 | ERROR 0 | FAIL 0 | SKIP 0 | WARN 0 | INTERRUPT 0 | CANCEL 0 >> JOB TIME : 24.79 s >> >>> I tested with current qemu master >>> (17780edd81d27fcfdb7a802efc870a99788bd2fc) and mips is still broken >>> there.