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Re: [Xen-users] can't boot guests on Debian/Buster with 4.19.0-6-rt-amd64 and Xen 4.11



Hi,

Looks like it's still the case!
I booted from 4.19.0-6-amd64 (non-RT) with Xen 4.11 and I can't reproduce the
errors I was getting before...

thanks!
jf

* Chuck Ritola <cjritola@xxxxxxxxx> [20191102 13:59]:
> It's been a number of years, but I remember RT kernels having trouble
> starting in Xen. Any success with non-RT?
> 
> On Fri, Nov 1, 2019 at 12:43 PM Jean-Francois Malouin <
> Jean-Francois.Malouin@xxxxxxxxxxxxxxxxx> wrote:
> 
> > Hi,
> >
> > On a stock Debian GNU/Linux 10 (buster) running kernel 4.19.0-6-rt-amd64
> > #1 SMP PREEMPT RT Debian 4.19.67-2+deb10u1 (2019-09-20)
> > with Xen 4.11...
> >
> > I keep getting the errors below when trying to boot guests, related to
> > xen_evtchn it seems.
> >
> > They usually don't boot, even though sometimes they do but very rarely.
> > Can
> > someone shed some light? I've tried the next kernel available for Buster,
> > 5.2.0-0.bpo.3-rt-amd64, but I get with exactly the same issues...
> >
> > Thanks,
> > jf
> >
> > --
> > xl info:
> >
> > host                   : puck
> > release                : 4.19.0-6-rt-amd64
> > version                : #1 SMP PREEMPT RT Debian 4.19.67-2+deb10u1
> > (2019-09-20)
> > machine                : x86_64
> > nr_cpus                : 8
> > max_cpu_id             : 23
> > nr_nodes               : 2
> > cores_per_socket       : 4
> > threads_per_core       : 1
> > cpu_mhz                : 2000.091
> > hw_caps                :
> > bfebfbff:009ce3bd:28100800:00000001:00000000:00000000:00000000:00000100
> > virt_caps              : hvm
> > total_memory           : 12279
> > free_memory            : 35
> > sharing_freed_memory   : 0
> > sharing_used_memory    : 0
> > outstanding_claims     : 0
> > free_cpus              : 0
> > xen_major              : 4
> > xen_minor              : 11
> > xen_extra              : .2-pre
> > xen_version            : 4.11.2-pre
> > xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
> > hvm-3.0-x86_32p hvm-3.0-x86_64
> > xen_scheduler          : credit
> > xen_pagesize           : 4096
> > platform_params        : virt_start=0xffff800000000000
> > xen_changeset          :
> > xen_commandline        : placeholder
> > cc_compiler            : gcc (Debian 8.3.0-7) 8.3.0
> > cc_compile_by          : pkg-xen-devel
> > cc_compile_domain      : lists.alioth.debian.org
> > cc_compile_date        : Mon Jun 24 10:10:11 UTC 2019
> > build_id               : a2c4043244b6d32b05873fcfae7635cd823bf0bb
> > xend_config_format     : 4
> >
> >
> >
> >
> > Nov  1 12:20:48 puck root: /etc/xen/scripts/block: add
> > XENBUS_PATH=backend/vbd/6/51714
> > Nov  1 12:20:48 puck root: /etc/xen/scripts/block: add
> > XENBUS_PATH=backend/vbd/6/51713
> > Nov  1 12:20:49 puck root: /etc/xen/scripts/block: Writing
> > backend/vbd/6/51714/physical-device fd:4 to xenstore.
> > Nov  1 12:20:49 puck root: /etc/xen/scripts/block: Writing
> > backend/vbd/6/51714/physical-device-path /dev/dm-4 to xenstore.
> > Nov  1 12:20:49 puck root: /etc/xen/scripts/block: Writing
> > backend/vbd/6/51714/hotplug-status connected to xenstore.
> > Nov  1 12:20:50 puck root: /etc/xen/scripts/block: Writing
> > backend/vbd/6/51713/physical-device fd:3 to xenstore.
> > Nov  1 12:20:50 puck root: /etc/xen/scripts/block: Writing
> > backend/vbd/6/51713/physical-device-path /dev/dm-3 to xenstore.
> > Nov  1 12:20:50 puck root: /etc/xen/scripts/block: Writing
> > backend/vbd/6/51713/hotplug-status connected to xenstore.
> > Nov  1 12:20:50 puck systemd-udevd[15181]: Using default interface naming
> > scheme 'v240'.
> > Nov  1 12:20:50 puck systemd-udevd[15181]: link_config: autonegotiation is
> > unset or enabled, the speed and duplex are not writable.
> > Nov  1 12:20:50 puck root: /etc/xen/scripts/vif-bridge: online type_if=vif
> > XENBUS_PATH=backend/vif/6/0
> > Nov  1 12:20:50 puck kernel: [70698.477679] xenbr0: port 3(vif6.0) entered
> > blocking state
> > Nov  1 12:20:50 puck kernel: [70698.477684] xenbr0: port 3(vif6.0) entered
> > disabled state
> > Nov  1 12:20:50 puck kernel: [70698.477829] device vif6.0 entered
> > promiscuous mode
> > Nov  1 12:20:50 puck kernel: [70698.485422] IPv6: ADDRCONF(NETDEV_UP):
> > vif6.0: link is not ready
> > Nov  1 12:20:50 puck root: /etc/xen/scripts/vif-bridge: Successful
> > vif-bridge online for vif6.0, bridge xenbr0.
> > Nov  1 12:20:50 puck root: /etc/xen/scripts/vif-bridge: Writing
> > backend/vif/6/0/hotplug-status connected to xenstore.
> > Nov  1 12:20:53 puck kernel: [70700.870856] ------------[ cut here
> > ]------------
> > Nov  1 12:20:53 puck kernel: [70700.870864] Interrupt for port 99, but
> > apparently not enabled; per-user 00000000b68b6469
> > Nov  1 12:20:53 puck kernel: [70700.870912] WARNING: CPU: 0 PID: 15559 at
> > drivers/xen/evtchn.c:167 evtchn_interrupt+0xc1/0xd0 [xen_evtchn]
> > Nov  1 12:20:53 puck kernel: [70700.870913] Modules linked in: xen_netback
> > xen_blkback sctp rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache nft_l
> > imit xt_limit nft_counter xt_state xt_conntrack nf_conntrack
> > nf_defrag_ipv6 nf_defrag_ipv4 xt_tcpudp nft_compat nf_tables nfnetlink
> > xen_gntdev x
> > en_evtchn xenfs xen_privcmd bridge stp llc snd_hda_intel mgag200 evdev
> > intel_powerclamp snd_hda_codec ttm snd_hda_core ipmi_si ipmi_devintf snd_
> > hwdep serio_raw ipmi_msghandler pcspkr drm_kms_helper sg snd_pcm snd_timer
> > iTCO_wdt iTCO_vendor_support drm snd i2c_algo_bit soundcore ioatdma b
> > utton i7core_edac i5500_temp dca nfsd drbd lru_cache auth_rpcgss nfs_acl
> > dm_mod lockd parport_pc grace ppdev sunrpc lp parport ip_tables x_table
> > s autofs4 ext4 crc16 mbcache jbd2 fscrypto ecb crypto_simd cryptd
> > glue_helper aes_x86_64 raid10 raid456 async_raid6_recov
> > Nov  1 12:20:53 puck kernel: [70700.870969]  async_memcpy async_pq
> > async_xor async_tx xor raid6_pq libcrc32c crc32c_generic raid0 multipath
> > line
> > ar raid1 md_mod sd_mod hid_generic usbhid hid ahci libahci uhci_hcd
> > ehci_pci crc32c_intel psmouse ehci_hcd libata usbcore e1000e scsi_mod i2c_i8
> > 01 lpc_ich usb_common
> > Nov  1 12:20:53 puck kernel: [70700.870994] CPU: 0 PID: 15559 Comm:
> > irq/138-evtchn: Tainted: G        W         4.19.0-6-rt-amd64 #1 Debian 4.19
> > .67-2+deb10u1
> > Nov  1 12:20:53 puck kernel: [70700.870995] Hardware name: Supermicro
> > X8DTL/X8DTL, BIOS 2.0c       01/05/11
> > Nov  1 12:20:53 puck kernel: [70700.870999] RIP:
> > e030:evtchn_interrupt+0xc1/0xd0 [xen_evtchn]
> > Nov  1 12:20:53 puck kernel: [70700.871001] Code: ba 01 00 00 00 be 1d 00
> > 00 00 48 8d bb e8 00 00 00 e8 73 eb d3 c0 eb b5 8b 76 20 48 89 da 48 c7 c7
> > e8 81 54 c0 e8 d9 b2 b3 c0 <0f> 0b e9 55 ff ff ff 0f 1f 84 00 00 00 00 00
> > 66 66 66 66 90 41 57
> > Nov  1 12:20:53 puck kernel: [70700.871002] RSP: e02b:ffffc90046c77e80
> > EFLAGS: 00010282
> > Nov  1 12:20:53 puck kernel: [70700.871004] RAX: 0000000000000000 RBX:
> > ffff888322716700 RCX: 0000000000000000
> > Nov  1 12:20:53 puck kernel: [70700.871006] RDX: 0000000000000001 RSI:
> > ffffffff81e8828b RDI: 00000000ffffffff
> > Nov  1 12:20:53 puck kernel: [70700.871014] RBP: ffff88832256f740 R08:
> > 0000000000000001 R09: 0000000000000000
> > Nov  1 12:20:53 puck kernel: [70700.871015] R10: 0000000000000004 R11:
> > 0000000000000000 R12: 000000000000008a
> > Nov  1 12:20:53 puck kernel: [70700.871017] R13: ffffffff810ef3c0 R14:
> > ffff8881cb19fd20 R15: ffff888327ff1e00
> > Nov  1 12:20:53 puck kernel: [70700.871032] FS:  00007fd05ce0b700(0000)
> > GS:ffff88832ee00000(0000) knlGS:0000000000000000
> > Nov  1 12:20:53 puck kernel: [70700.871034] CS:  e033 DS: 0000 ES: 0000
> > CR0: 0000000080050033
> > Nov  1 12:20:53 puck kernel: [70700.871035] CR2: 0000560600680000 CR3:
> > 0000000306b04000 CR4: 0000000000000660
> > Nov  1 12:20:53 puck kernel: [70700.871042] Call Trace:
> > Nov  1 12:20:53 puck kernel: [70700.871059]  irq_forced_thread_fn+0x24/0x80
> > Nov  1 12:20:53 puck kernel: [70700.871062]  irq_thread+0xdd/0x180
> > Nov  1 12:20:53 puck kernel: [70700.871066]  ? wake_threads_waitq+0x30/0x30
> > Nov  1 12:20:53 puck kernel: [70700.871068]  ?
> > irq_thread_check_affinity+0xc0/0xc0
> > Nov  1 12:20:53 puck kernel: [70700.871074]  kthread+0x112/0x130
> > Nov  1 12:20:53 puck kernel: [70700.871077]  ?
> > kthread_create_worker_on_cpu+0x70/0x70
> > Nov  1 12:20:53 puck kernel: [70700.871083]  ret_from_fork+0x35/0x40
> > Nov  1 12:20:53 puck kernel: [70700.871087] ---[ end trace
> > 000000000000001d ]---
> > Nov  1 12:20:53 puck kernel: [70700.871104] ------------[ cut here
> > ]------------
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxxx
> > https://lists.xenproject.org/mailman/listinfo/xen-users

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