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X-Received-From: 2a00:1450:4864:20::343 Subject: Re: [Qemu-devel] [BUG] nanoMIPS support problem related to extract2 support for i386 TCG target X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Aleksandar Markovic writes: > Hello, Richard, Peter, and others. > > As a part of activities before 4.1 release, I tested nanoMIPS support > in QEMU (which was officially fully integrated in 4.0, is currently > limited to system mode only, and was tested in a similar fashion right > prior to 4.0). > > This support appears to be broken now. Following command line works in > 4.0, but results in kernel panic for the current tip of the tree: > > ~/Build/qemu-test-revert-c6fb8c0cf704/mipsel-softmmu/qemu-system-mipsel > -cpu I7200 -kernel generic_nano32r6el_page4k -M malta -serial stdio -m > 1G -hda nanomips32r6_le_sf_2017.05-03-59-gf5595d6.ext4 -append > "mem=3D256m@0x0 rw console=3DttyS0 vga=3Dcirrus vesa=3D0x111 root=3D/dev/= sda" > > (kernel and rootfs image files used in this commend line can be > downloaded from the locations mentioned in our user guide) > > The quick bisect points to the commit: > > commit c6fb8c0cf704c4a1a48c3e99e995ad4c58150dab > Author: Richard Henderson > Date: Mon Feb 25 11:42:35 2019 -0800 > > tcg/i386: Support INDEX_op_extract2_{i32,i64} > > Signed-off-by: Richard Henderson > > Please advise on further actions. Please see the fix: Subject: [PATCH for-4.1] tcg: Fix constant folding of INDEX_op_extract2_i= 32 Date: Tue, 9 Jul 2019 14:19:00 +0200 Message-Id: <20190709121900.25644-1-richard.henderson@linaro.org> > > Yours, > Aleksandar -- Alex Benn=C3=A9e