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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] xen on debian - boot problems
Hi Hans, thanks for answering to my post. Am 17.08.19 um 12:14 schrieb Hans van Kranenburg: > Hi Widu, > > On 8/12/19 3:37 PM, Christian Widu Wittekindt wrote: >> I've got xen installed on debian. And everything is just fine as long as >> I boot an (old) 3.16 kernel as dom0. >> >> When I try to boot a kernel 4.11, 4.19 or 5.2 (dom0) under xen >> hypervisor booting falls back to busybox with the message: >> >> Gave up waitng for root file system device > I have one piece of "been there done that" experience that I can think > of: sometimes a raid controller can take a few seconds to initialize and > present the disks to the OS after powering up. I had to use rootdelay=10 > in this case. But, I would suspect that in this case you would see the > same failure when booting without Xen. So, just a random thought. Well, the timeout happens after waiting to minutes. But I tried adding a rootdelay anyway, but that didn't change a thing. > >> When I boot just debian without xen there's no problem at all with any >> of these kernel versions. >> >> And of course I already searched the web and I found that a lot of >> people experience problem with xen in combination with an adaptec raid >> controller. > And what kind of problems are those? Well there's reports of boot-loops (not my problem). And theres reporst of aacraid not initializing (e.g. https://lists.debian.org/debian-user/2018/08/msg00598.html. > >> And as I'm using an Adaptec 8405 controller, I suspected it >> to be the bad guy. But: there does not seem to be a problem with aacraid >> kernel module. When I drop to busybox (trying to boot with xen >> hypervisor) and have a loot at the modules I get >> >> # lsmod | grep aacraid >> aacraid 87960 1 >> scsi_mod 195357 3 aacraid,libata,sr_mod >> >> When I boot with xen and kernel 3.16 (which works) I get: >> >> # lsmod | grep aacraid >> aacraid 87960 4 >> scsi_mod 195357 5 sg,aacraid,libata,sd_mod,sr_mod >> >> So at least there's no problem in loading the aacraid module. Any Ideas? > Yes, post full dmesg output of both starting with and without Xen. I attached dmesg outpout with xen booting and kernel 5.2 (doesn't find rootfs -> drops to busybox) xen booting with kernel 3.16 (which works just fine) and debian booting witout Xen with kernel 5.2. Widu -- Dr. Christian Wittekindt Institut für Physikalische Chemie Albertstr. 23a 79104 Freiburg Tel. 0761-2035131 Attachment:
dmesg_5.2.0_Xen.out Attachment:
dmesg_3.1.6_Xen.out Attachment:
dmesg_5.2.0.out _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-users
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