On Sun, May 01, 2022 at 02:37:36PM +0200, Jörg-Volker Peetz wrote: > Greg Kroah-Hartman wrote on 27/04/2022 15:11: > > I'm announcing the release of the 5.17.5 kernel. > > > > All users of the 5.17 kernel series must upgrade. > > > > The updated 5.17.y git tree can be found at: > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.17.y > > and can be browsed at the normal kernel.org git web browser: > > https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary > > > > thanks, > > > > greg k-h > > > <snip> > Hi, > > while booting a self compiled kernel 5.17.5, the following warning appeared in > the logs: > > Apr 28 15:57:41 xxx kernel: WARNING: CPU: 0 PID: 1 at > drivers/iommu/amd/init.c:851 amd_iommu_enable_interrupts+0x312/0x3f0 > Apr 28 15:57:41 xxx kernel: Modules linked in: > Apr 28 15:57:41 xxx kernel: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.5 #1 > Apr 28 15:57:41 xxx kernel: Hardware name: Micro-Star International Co., Ltd. > MS-7C94/MAG B550M MORTAR (MS-7C94), BIOS 1.94 09/23/2021 > Apr 28 15:57:41 xxx kernel: RIP: 0010:amd_iommu_enable_interrupts+0x312/0x3f0 > Apr 28 15:57:41 xxx kernel: Code: ff ff 49 8b 7f 18 89 04 24 e8 2a ff f6 ff 8b > 04 24 e9 7b fd ff ff 0f 0b 4d 8b 3f 49 81 ff 90 15 ac b0 0f 85 35 fd ff ff eb 82 > <0f> 0b 4d 8b 3f 49 81 ff 90 15 ac b0 0f 85 21 fd ff ff e9 6b ff ff > Apr 28 15:57:41 xxx kernel: RSP: 0018:ffffaf47c005fdd8 EFLAGS: 00010246 > Apr 28 15:57:41 xxx kernel: RAX: 0000000f03059ee4 RBX: 0000000000000000 RCX: > 0000000000000000 > Apr 28 15:57:41 xxx kernel: RDX: 0000000000009da4 RSI: 0000000000009428 RDI: > 0000000f03050140 > Apr 28 15:57:41 xxx kernel: RBP: 0000000080000000 R08: ffffffffffffffff R09: > 0000000000000000 > Apr 28 15:57:41 xxx kernel: R10: 00000000000000d1 R11: 0000000000000000 R12: > 000ffffffffffff8 > Apr 28 15:57:41 xxx kernel: R13: 0800000000000000 R14: 0008000000000000 R15: > ffff8f7380190000 > Apr 28 15:57:41 xxx kernel: FS: 0000000000000000(0000) > GS:ffff8f8171c00000(0000) knlGS:0000000000000000 > Apr 28 15:57:41 xxx kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > Apr 28 15:57:41 xxx kernel: CR2: ffff8f81ae1ff000 CR3: 00000008a740a000 CR4: > 0000000000750ef0 > Apr 28 15:57:41 xxx kernel: PKRU: 55555554 > Apr 28 15:57:41 xxx kernel: Call Trace: > Apr 28 15:57:41 xxx kernel: <TASK> > Apr 28 15:57:41 xxx kernel: iommu_go_to_state+0x10e0/0x138d > Apr 28 15:57:41 xxx kernel: ? e820__memblock_setup+0x78/0x78 > Apr 28 15:57:41 xxx kernel: amd_iommu_init+0xa/0x20 > Apr 28 15:57:41 xxx kernel: pci_iommu_init+0x11/0x3a > Apr 28 15:57:41 xxx kernel: do_one_initcall+0x47/0x180 > Apr 28 15:57:41 xxx kernel: kernel_init_freeable+0x162/0x1a7 > Apr 28 15:57:41 xxx kernel: ? rest_init+0xc0/0xc0 > Apr 28 15:57:41 xxx kernel: kernel_init+0x11/0x110 > Apr 28 15:57:41 xxx kernel: ret_from_fork+0x22/0x30 > Apr 28 15:57:41 xxx kernel: </TASK> > > Is this serious? > CPU is AMD Ryzen 7 5700G (RENOIR). > The config file is attached. > With kernel 5.17.3 this warning did not appear. Can you use 'git bisect' to track down the offending change? thanks, greg k-h