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Re: [Xen-users] Xen 4.12/4.13 cannot boot Ubuntu-DomU with PVH and Kernel 4.15.0-50

From: Jan Kellermann <jan.kellermann@xxxxxxxxx>

Date: Thu, 16 May 2019 13:18:35 +0200

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Delivery-date: Thu, 16 May 2019 11:20:04 +0000

List-id: Xen user discussion <xen-users.lists.xenproject.org>

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Hi Juergen, thank you very much. Now we use kernel 4.18.0.20.70 from hwe-package and all DomUs are booting fine. ky. Am 16.05.2019 um 08:13 schrieb Juergen Gross: > On 15/05/2019 20:29, Jan Kellermann wrote: >> Hi, >> >> we use xen from source and are not able to boot our Ubuntu-DomUs with >> kernel 4.15.0-50 in PVH-Mode. In PV-Mode they start without problems. >> >> We activated logging, see the log attached. >> >> The boot stops at; >> BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 >> [...] >> Kernel panic - not syncing: Attempted to kill the idle task! >> >> >> We use the current staging-version with last commit >> 2a556b63a22dd68697feb3994e68de939d01a804 (before we tried staging-4.12 >> with last commit 4ed6c8b95c80a6fdc33fab38d3fdae64b8827916). >> >> Are you working on this issue? With staging the boot freezes, with >> staging-4.12 the DomU crashed. >> We tried with Dom0-Kernel-versions 4.15.0-50 and 4.15.0-48. > > You should ask the Ubuntu kernel team. The crash happens in a function > not present in the upstream 4.15 stable tree. There seems to be an > Ubuntu private kernel patch present causing the issue. > > > Juergen > > _______________________________________________ > Xen-users mailing list > Xen-users@xxxxxxxxxxxxxxxxxxxx > https://lists.xenproject.org/mailman/listinfo/xen-users > -- werk21 GmbH Kommunikation für Politik und Verbände Krausnickstraße 3, 10115 Berlin Tel: (030) 28 48 48 30 Fax: (030) 28 48 48 31 https://www.werk21.de GeschäftsführerInnen: Jan Kellermann, Johannes Stahl, Susanne Fritsche HRB 131204 - Berlin-Charlottenburg - Sitz: Berlin _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-users

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