|
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [linux-linus bisection] complete test-amd64-amd64-qemuu-nested-intel
branch xen-unstable xenbranch xen-unstable job test-amd64-amd64-qemuu-nested-intel testid debian-hvm-install Tree: linux git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git Tree: qemuu git://xenbits.xen.org/qemu-xen.git Tree: xen git://xenbits.xen.org/xen.git *** Found and reproduced problem changeset *** Bug is in tree: xen git://xenbits.xen.org/xen.git Bug introduced: 09b3907f93fe023ebca809c9f706f3d022801dce Bug not present: 936b77255269b3b9b5685d565550e77d5080ac81 Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/127333/ commit 09b3907f93fe023ebca809c9f706f3d022801dce Author: Roger Pau Monné <roger.pau@xxxxxxxxxx> Date: Mon Sep 3 17:54:12 2018 +0200 The hvmloader binary generated when using LLVM LD doesn't work properly and seems to get stuck while trying to generate and load the ACPI tables. This is caused by the layout of the binary when linked with LLVM LD. LLVM LD has a different default linker script that GNU LD, and the resulting hvmloader binary is slightly different: LLVM LD: Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align PHDR 0x000034 0x000ff034 0x000ff034 0x00060 0x00060 R 0x4 LOAD 0x000000 0x000ff000 0x000ff000 0x38000 0x38000 RWE 0x1000 GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0 GNU LD: Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align LOAD 0x000080 0x00100000 0x00100000 0x36308 0x3fd74 RWE 0x10 GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0x4 Note that in the LLVM LD case (as with GNU LD) the .text section does indeed have the address set to 0x100000 as requested on the command line: [ 1] .text PROGBITS 00100000 001000 00dd10 00 AX 0 0 16 There's however the PHDR which is not present when using GNU LD. Fix this by using a very simple linker script that generates the same binary regardless of whether LLVM or GNU LD is used. By using a linker script the usage of -Ttext can also be avoided by placing the desired .text load address directly in the linker script. Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx> Acked-by: Jan Beulich <jbeulich@xxxxxxxx> For bisection revision-tuple graph see: http://logs.test-lab.xenproject.org/osstest/results/bisect/linux-linus/test-amd64-amd64-qemuu-nested-intel.debian-hvm-install.html Revision IDs in each graph node refer, respectively, to the Trees above. ---------------------------------------- Running cs-bisection-step --graph-out=/home/logs/results/bisect/linux-linus/test-amd64-amd64-qemuu-nested-intel.debian-hvm-install --summary-out=tmp/127333.bisection-summary --basis-template=125898 --blessings=real,real-bisect linux-linus test-amd64-amd64-qemuu-nested-intel debian-hvm-install Searching for failure / basis pass: 127284 fail [host=debina1] / 126310 [host=godello1] 126202 [host=baroque1] 126069 [host=albana1] 125921 [host=huxelrebe1] 125898 [host=chardonnay1] 125702 [host=albana1] 125676 [host=huxelrebe1] 125657 [host=godello1] 125648 [host=baroque1] 125639 [host=elbling1] 125585 [host=chardonnay1] 125551 [host=italia0] 125520 [host=debina0] 125501 ok. Failure / basis pass flights: 127284 / 125501 (tree with no url: minios) (tree with no url: ovmf) (tree with no url: seabios) Tree: linux git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git Tree: qemuu git://xenbits.xen.org/qemu-xen.git Tree: xen git://xenbits.xen.org/xen.git Latest 28619527b8a712590c93d0a9e24b4425b9376a8c c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 9f3fd3d339b42a632ccc1c5fff218d1d19a69f01 Basis pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 c8ea0457495342c417c3dc033bba25148b279f60 43139135a8938de44f66333831d3a8655d07663a e3f667bc5f51d0aa44357a64ca134cd952679c81 Generating revisions with ./adhoc-revtuple-generator git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git#45ae4df9220701071ffec057d4b0071943022ab3-28619527b8a712590c93d0a9e24b4425b9376a8c git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860 git://xenbits.xen.org/qemu-xen-traditional.git#c8ea0457495342c417c3dc033bba25148b279f60-9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 git://xenbits.xen.org/qemu-xen.git#43139135a8938de44f66333831d3a8655d07663a-de5b678ca4dcdfa83e322491d478d66df56c1986 git://xenbits.xen.org/xen.git#e3f667bc5f51d0aa44357a64ca134cd952679c81-9f3fd3d339b42a632ccc1c5fff218d1d19a69f01 adhoc-revtuple-generator: tree discontiguous: linux-2.6 adhoc-revtuple-generator: tree discontiguous: qemu-xen Loaded 2006 nodes in revision graph Searching for test results: 125167 [host=godello1] 125242 [host=huxelrebe1] 125285 [host=albana0] 125401 [host=godello0] 125501 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 c8ea0457495342c417c3dc033bba25148b279f60 43139135a8938de44f66333831d3a8655d07663a e3f667bc5f51d0aa44357a64ca134cd952679c81 125551 [host=italia0] 125520 [host=debina0] 125585 [host=chardonnay1] 125648 [host=baroque1] 125639 [host=elbling1] 125657 [host=godello1] 125676 [host=huxelrebe1] 125702 [host=albana1] 125898 [host=chardonnay1] 125921 [host=huxelrebe1] 126069 [host=albana1] 126202 [host=baroque1] 126310 [host=godello1] 126412 fail irrelevant 126550 fail irrelevant 126682 fail irrelevant 126888 fail irrelevant 126978 fail irrelevant 127038 fail irrelevant 127108 fail irrelevant 127148 fail irrelevant 127193 fail irrelevant 127221 fail irrelevant 127256 fail irrelevant 127309 fail irrelevant 127284 fail 28619527b8a712590c93d0a9e24b4425b9376a8c c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 9f3fd3d339b42a632ccc1c5fff218d1d19a69f01 127310 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 c8ea0457495342c417c3dc033bba25148b279f60 43139135a8938de44f66333831d3a8655d07663a 6832addfb2832dac63d67a4131b7de00c01ee094 127328 fail 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 09b3907f93fe023ebca809c9f706f3d022801dce 127330 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 936b77255269b3b9b5685d565550e77d5080ac81 127311 fail 28619527b8a712590c93d0a9e24b4425b9376a8c c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 9f3fd3d339b42a632ccc1c5fff218d1d19a69f01 127331 fail 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 09b3907f93fe023ebca809c9f706f3d022801dce 127332 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 936b77255269b3b9b5685d565550e77d5080ac81 127333 fail 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 09b3907f93fe023ebca809c9f706f3d022801dce 127316 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 c8ea0457495342c417c3dc033bba25148b279f60 43139135a8938de44f66333831d3a8655d07663a 4038f580aa4558f6b4ce66424e6cc2ebc5367d52 127319 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 053d91d3926c9f0afb54cf52c782482a1087bab3 127320 blocked 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 ae8b8bc599ce2c1fc42f00a30d5e35a48c3e970c 127306 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 c8ea0457495342c417c3dc033bba25148b279f60 43139135a8938de44f66333831d3a8655d07663a e3f667bc5f51d0aa44357a64ca134cd952679c81 127321 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 aed19fb5370df48527fba82c88c6b7411776283a 127323 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 16bbf8e7b39b50457bb2f6547f166bd54d50e4cd 127324 fail 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 1f0598a1beb6bbaa838dec4f321af543d3b96c7a 127325 pass 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 936b77255269b3b9b5685d565550e77d5080ac81 Searching for interesting versions Result found: flight 125501 (pass), for basis pass Result found: flight 127284 (fail), for basis failure Repro found: flight 127306 (pass), for basis pass Repro found: flight 127311 (fail), for basis failure 0 revisions at 45ae4df9220701071ffec057d4b0071943022ab3 c530a75c1e6a472b0eb9558310b518f0dfcd8860 9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 de5b678ca4dcdfa83e322491d478d66df56c1986 936b77255269b3b9b5685d565550e77d5080ac81 No revisions left to test, checking graph state. Result found: flight 127325 (pass), for last pass Result found: flight 127328 (fail), for first failure Repro found: flight 127330 (pass), for last pass Repro found: flight 127331 (fail), for first failure Repro found: flight 127332 (pass), for last pass Repro found: flight 127333 (fail), for first failure *** Found and reproduced problem changeset *** Bug is in tree: xen git://xenbits.xen.org/xen.git Bug introduced: 09b3907f93fe023ebca809c9f706f3d022801dce Bug not present: 936b77255269b3b9b5685d565550e77d5080ac81 Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/127333/ commit 09b3907f93fe023ebca809c9f706f3d022801dce Author: Roger Pau Monné <roger.pau@xxxxxxxxxx> Date: Mon Sep 3 17:54:12 2018 +0200 The hvmloader binary generated when using LLVM LD doesn't work properly and seems to get stuck while trying to generate and load the ACPI tables. This is caused by the layout of the binary when linked with LLVM LD. LLVM LD has a different default linker script that GNU LD, and the resulting hvmloader binary is slightly different: LLVM LD: Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align PHDR 0x000034 0x000ff034 0x000ff034 0x00060 0x00060 R 0x4 LOAD 0x000000 0x000ff000 0x000ff000 0x38000 0x38000 RWE 0x1000 GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0 GNU LD: Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align LOAD 0x000080 0x00100000 0x00100000 0x36308 0x3fd74 RWE 0x10 GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0x4 Note that in the LLVM LD case (as with GNU LD) the .text section does indeed have the address set to 0x100000 as requested on the command line: [ 1] .text PROGBITS 00100000 001000 00dd10 00 AX 0 0 16 There's however the PHDR which is not present when using GNU LD. Fix this by using a very simple linker script that generates the same binary regardless of whether LLVM or GNU LD is used. By using a linker script the usage of -Ttext can also be avoided by placing the desired .text load address directly in the linker script. Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx> Acked-by: Jan Beulich <jbeulich@xxxxxxxx> pnmtopng: 144 colors found Revision graph left in /home/logs/results/bisect/linux-linus/test-amd64-amd64-qemuu-nested-intel.debian-hvm-install.{dot,ps,png,html,svg}. ---------------------------------------- 127333: tolerable ALL FAIL flight 127333 linux-linus real-bisect [real] http://logs.test-lab.xenproject.org/osstest/logs/127333/ Failures :-/ but no regressions. Tests which did not succeed, including tests which could not be run: test-amd64-amd64-qemuu-nested-intel 10 debian-hvm-install fail baseline untested jobs: test-amd64-amd64-qemuu-nested-intel fail ------------------------------------------------------------ sg-report-flight on osstest.test-lab.xenproject.org logs: /home/logs/logs images: /home/logs/images Logs, config files, etc. are available at http://logs.test-lab.xenproject.org/osstest/logs Explanation of these reports, and of osstest in general, is at http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README.email;hb=master http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README;hb=master Test harness code can be found at http://xenbits.xen.org/gitweb?p=osstest.git;a=summary _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
|
 |
Lists.xenproject.org is hosted with RackSpace, monitoring our |