* Linux 5.19-rc7: WARNING: CPU: 5 PID: 50 at drivers/block/xen-blkback/xenbus.c:322 xen_blkif_disconnect+0x24f/0x260
@ 2022-07-22 11:16 Sander Eikelenboom
0 siblings, 0 replies; only message in thread
From: Sander Eikelenboom @ 2022-07-22 11:16 UTC (permalink / raw)
To: Juergen Gross; +Cc: Xen-devel
Hi Juergen,
While trying out linux-5.19-rc7 (both for dom0 and domU's) running under
Xen, I encounter these warnings below for every domU in my kernel log on
dom0. The domU's don't boot any further because of lacking a block device.
Normally I use the same kernel for both dom0 and domU while booting with
direct kernel boot,
I also tried the combination of a 5.19-rc7 dom0 kernel and 5.18 domU
kernel and then no warnings and all domU's boot fine.
Any ideas ?
--
Sander
[ 144.137781] ------------[ cut here ]------------
[ 144.137782] WARNING: CPU: 5 PID: 50 at
drivers/block/xen-blkback/xenbus.c:322 xen_blkif_disconnect+0x24f/0x260
[ 144.137786] Modules linked in:
[ 144.137787] CPU: 5 PID: 50 Comm: xenwatch Tainted: G W
5.19.0-rc7-20220722-doflr-mac80211debug+ #1
[ 144.137789] Hardware name: MSI MS-7640/890FXA-GD70 (MS-7640) , BIOS
V1.8B1 09/13/2010
[ 144.137791] RIP: e030:xen_blkif_disconnect+0x24f/0x260
[ 144.137794] Code: 20 48 8d 56 20 48 8d 48 e0 48 3b 54 24 08 0f 84 a7
fe ff ff 4c 8b 74 24 10 48 89 4c 24 10 eb 82 0f 0b 0f 0b 0f 0b 0f 0b 0f
0b <0f> 0b e9 ef fe ff ff b8 f0 ff ff ff e9 34 ff ff ff 41 54 55 48 89
[ 144.137795] RSP: e02b:ffffc90000847dd8 EFLAGS: 00010202
[ 144.137797] RAX: 0000000000000040 RBX: 0000000000000001 RCX:
ffff88800fef8350
[ 144.137799] RDX: 0000000000000000 RSI: 0000000000000200 RDI:
00000000ffffffff
[ 144.137800] RBP: ffff88800fef82f0 R08: ffff88807d36fd00 R09:
0000000000028220
[ 144.137802] R10: 000000000002fd60 R11: 0000000000000006 R12:
0000000000000002
[ 144.137803] R13: ffff88801d1cd000 R14: ffff88800fef8330 R15:
ffff888006c70cc0
[ 144.137807] FS: 0000000000000000(0000) GS:ffff88807d340000(0000)
knlGS:0000000000000000
[ 144.137809] CS: e030 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 144.137810] CR2: 00007f536f443450 CR3: 0000000023000000 CR4:
0000000000000660
[ 144.137813] Call Trace:
[ 144.137814] <TASK>
[ 144.137816] frontend_changed+0x388/0x450
[ 144.137819] xenwatch_thread+0x9c/0x170
[ 144.137822] ? cpu_core_flags+0x10/0x10
[ 144.137824] ? find_watch+0x50/0x50
[ 144.137827] kthread+0xe3/0x110
[ 144.137830] ? kthread_complete_and_exit+0x20/0x20
[ 144.137832] ret_from_fork+0x22/0x30
[ 144.137835] </TASK>
[ 144.137836] ---[ end trace 0000000000000000 ]---
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2022-07-22 11:16 Linux 5.19-rc7: WARNING: CPU: 5 PID: 50 at drivers/block/xen-blkback/xenbus.c:322 xen_blkif_disconnect+0x24f/0x260 Sander Eikelenboom
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