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Re: [Xen-users] xl create and destroy segfault before completing
- To: Olaf Hering <olaf@xxxxxxxxx>
- From: Ian Macdonald <imac@xxxxxxxxxx>
- Date: Tue, 29 May 2018 19:11:26 +0200
- Autocrypt: addr=imac@xxxxxxxxxx; prefer-encrypt=mutual; keydata= xsFNBFOXLOEBEADEQsPNAmFQhpIPCyk7weE7AbcEyU4Oc21revaZZYN5UdQP27tig7WTk2oc 2QReen9sZBJQDrMmrJMc3N8zFvYLCCghXb0u3P1qHmSbNSPEl0KI7nHhwg1IoCKsctZA9OOP PsH8/8qw7IZblyZDR39pfMM4ndJFC00EsH1DlMkmb8+1FF/HBPFO/+pa0kg9E3yP2WXjKKQt ULAvIzLznBMacxpi05zce1DcC0SjQaB7OaT4HkRH/Fzq4jCEA0i1l9k4cfpSa4XH+R8xkhwQ qWDTh5K6SKxHyyiIBkGH+5jQ8tW6av8RWZPu36vJMndXZgTZ5CaCyRZf78LjSOyXcitFZnBr Q4h2LBEl4EG7YpDDSBGDKiYhw30Pp88dc79UqfAD7o4l8CeLQBGnvnnz1xadyXS64c087Q35 KdLVQmQ6Q53HplXx9nXAcH8GMXIBimQSNji60CmgnOXMWbC6sXwzjIeM2BYi5+BC9cn6gJAa DEFFgArBICxTCrVPNOvqCi6aYdcMikBZc4LAgP7Fyd3/FboJAbxw1ofeKYgoSgB9TjcCaKmf /+sYjRbJ9NtQszPOba7KokshRfUVTxIcow1319pnuZSKBH3VmQE7E84jm9ieG102G1+N6bJ5 bL16AYY4ORmuhfmv7qczuiqtddsGqa4JPnTDd7e2NdeDCSZuNwARAQABzSRJYW4gRC4gTWFj ZG9uYWxkIDxpbWFjQGxhaWd1YW5hLm9yZz7CwXcEEwEIACEFAlOXL1ICGwMFCwkIBwMFFQoJ CAsFFgMCAQACHgECF4AACgkQd5vWv6MF3vxVvBAAtg3dWyljpalMqsAJ4QXgTCqN7/T43SBm avaojrStN40T1fOksmi+RAOfoS4dW+NFtk92DI+d8Z0sYztjguRJy3+m/OsIZTKVwAIxIAwZ BcMuuK0jlR93O1PRu+kxajLaCmQ3Smmt3s7AVK3Os1g+sMsOOsgyiwmIe4QbSkqFgxToDIID tUh95eyw6S/jltpoOOitzYNWo0yvHsHFQK33it9k90uUMCJfZ8kIj90eAcRfEBCA6Qme0rP7 ty6amn3EWm3STV6+4B3reHRFBHOQWC2auJCVaOHg05VvPRkJvscWq1k0rOUBpVMlhGIxjgez XslQmF9rSZFzO+La2Xf08ZChavzTHal+XO/pdsSN4xSHvcF70NnKXKMPv+hebR0uKuPcIQ8J W3fnP9km9N86mmBB5Ps0AsCqKOeX1S8dFHtKLG8+GUWkmJthlfseUSB3i8nWWGjn4gDJRiy0 uPxYIvjTI0ec+SKHkA1W43f/6h8t2FTKrlBGN5OVrTADHdD5upq2hLv9uLzy8fhQ7UgUKuKu +GsvnS+C5oqmbMVqJRvbKMNRQ26I4j2Ul/5ZgWcFP9pqMVB6THSZpC6LqnfXY4UB0ZWs1Wvq HprH3dlb6lG+ADVAEGfEN3HBQWlsure9ux1+x1XfFhdqHF0AfmiMf1IO1A1mGOEcJ30GI8mH 4eTOwU0EU5ctawEQANLpQOR2/LU1TCjFRDBLaSdYLQomRFmOfWHFhzel8ocuyXpactatQcwb Qt8VkD5QpnenSNhA98n5MmHrlG9jhxNePt21TQsfN1Fnma6rg+aGa1A7E0i+XyeOEZkHLKeU KlgmvcXSbO3bZzkwGo0l8eKcQdMXxZXyKd35fu2YL1osr4aSKBy7Rqo83XC2cSYpMt2/MNPT eEjHrwm1iAeRuuokoqymxq/j7snWbHsRrNcAWOiLHTg21L6/5w+HDhIQEW7QdPTY4yQlpRML bkD4pb15oqYS9OQhNcZUQBkZEHMXLb02jZBsOs+wkQZPo1xJT91uNjaCAfH6/ewm2TYgY83M xO0AYth66C0YcBWtgrdww8p/fyUp1q+V3B36vvvBaTn6cxrYMRCzd8+BnCe34Zf9UiSVxkCN vuoAzJFkkBj8zGwCh+/f2LOJLMaWpVAz1jnChvhRt32yj00RpzegS66vKq2QbAXFnBQH4WAm gfoKxzTSzbf2oW6eIH+ifdJtVmgXyS5mjlFCfuEbhnsnKRY/b2w2K2fkNbACNL4Gmuh7gErz hKSEc28GWOAvHEQrsjSIfoZCzI7c5gjgUVaD+2mIs2du7k6Uayx6a2DsqQ/K/1UqyMIuMFkL JaLz26vDsZ3HJ7WHQBCGi44whlWRhYpfRNvLb3XhEf1vyu5IZQ4fABEBAAHCwV8EGAEIAAkF AlOXLWsCGwwACgkQd5vWv6MF3vy20xAAqaYMvEiaHo7rPB375f4mWh0Kt+Xi9/NYs09L9wds forYnutRnRXUb5MHbGRVWG04sjFo+SqG4IA/KfbaOTcA/F2Q82M4llwx5htMHiFNQ00lQ7pN ugWJ4pmOjCAHq7sR8AJh5RQwkFOynacTEQt9wPcu9gsb757UmYgaTPbu80Mk+eMxYwm755WJ ZmhmZle75S/VgZmRuANggHsf66IgMSohRs5gI7SVlpK9VqZDKC5y6DML2nG9iHJbg6N9pA+h S6p6grWDb7ZW+9VQC5j6RF5kZncYujEouJD9JB1AtncCaPtZdUHpVMWXi4xeXZ/WP5ZEoNFD UHz3l99GcKtHZn39Pi1CfUYOoXdb/0JCmomePV1CAGy+i2BjUGXKC8U4wwfrh//SMWluIhO1 qbUsQb2dotD/ZGgnxdhughAFpKzyVEU8ZdqNo3+bzDD5wcba1UIM02JcvZt1EsQsZ/4YpYoh BpWwlYvqegXbJy3WAH+ByN1z/CQ+RmgC/3a21afQu+Yuj0CfKdeP8yOJZshtbYS+H5p5lri1 vET98DDeO0DJdcto9wdIvVzL4bS6doP99DL3WB8KljGYKtMHFLdSVc3V07QdXlRYsCH0Fi5n cK0/i7seVgRPoenb7wAkDLJ8sCaK2Qk6o2ketjFwKbImjSRBbKy0IUjtldzRz+IYvcQ=
- Cc: xen-users@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 29 May 2018 17:12:43 +0000
- List-id: Xen user discussion <xen-users.lists.xenproject.org>
- Openpgp: preference=signencrypt
Hi Olaf,
On 29/05/18 11:04, Olaf Hering wrote:
> On Mon, May 28, Ian Macdonald wrote:
>
>> I am running Xen in PV mode on Debian stretch on an Intel 64-bit machine
> ...
>> The 'create' and 'deploy' commands both provoke a 'Segmentation Fault',
>
> Increase the thread stacksize to workaround a bug in glibc.
> Or use xen-4.11, which is supposed to work around that bug.
Thanks for that suggestion.
I did a bit of searching and came up with this email with a suggested patch:
https://lists.xenproject.org/archives/html/xen-devel/2018-02/msg01946.html
I applied that patch to change the default stacksize to 32k and
recompiled, which seems to have solved the problem. The 'create' and
'deploy' commands now run correctly without segfaulting.
Many thanks for your help.
Best,
-Ian
--
Ian Macdonald
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