AMD machines, and resume from suspend problem #143
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jackpot51
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[ Upstream commit c66a6f4 ] When running chunk-sized reads on disks with badblocks duplicate bio free/puts are observed: ============================================================================= BUG bio-200 (Not tainted): Object already free ----------------------------------------------------------------------------- Allocated in mempool_alloc_slab+0x17/0x20 age=3 cpu=2 pid=7504 __slab_alloc.constprop.0+0x5a/0xb0 kmem_cache_alloc+0x31e/0x330 mempool_alloc_slab+0x17/0x20 mempool_alloc+0x100/0x2b0 bio_alloc_bioset+0x181/0x460 do_mpage_readpage+0x776/0xd00 mpage_readahead+0x166/0x320 blkdev_readahead+0x15/0x20 read_pages+0x13f/0x5f0 page_cache_ra_unbounded+0x18d/0x220 force_page_cache_ra+0x181/0x1c0 page_cache_sync_ra+0x65/0xb0 filemap_get_pages+0x1df/0xaf0 filemap_read+0x1e1/0x700 blkdev_read_iter+0x1e5/0x330 vfs_read+0x42a/0x570 Freed in mempool_free_slab+0x17/0x20 age=3 cpu=2 pid=7504 kmem_cache_free+0x46d/0x490 mempool_free_slab+0x17/0x20 mempool_free+0x66/0x190 bio_free+0x78/0x90 bio_put+0x100/0x1a0 raid5_make_request+0x2259/0x2450 md_handle_request+0x402/0x600 md_submit_bio+0xd9/0x120 __submit_bio+0x11f/0x1b0 submit_bio_noacct_nocheck+0x204/0x480 submit_bio_noacct+0x32e/0xc70 submit_bio+0x98/0x1a0 mpage_readahead+0x250/0x320 blkdev_readahead+0x15/0x20 read_pages+0x13f/0x5f0 page_cache_ra_unbounded+0x18d/0x220 Slab 0xffffea000481b600 objects=21 used=0 fp=0xffff8881206d8940 flags=0x17ffffc0010201(locked|slab|head|node=0|zone=2|lastcpupid=0x1fffff) CPU: 0 PID: 34525 Comm: kworker/u24:2 Not tainted 6.0.0-rc2-localyes-265166-gf11c5343fa3f #143 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-1ubuntu1.1 04/01/2014 Workqueue: raid5wq raid5_do_work Call Trace: <TASK> dump_stack_lvl+0x5a/0x78 dump_stack+0x10/0x16 print_trailer+0x158/0x165 object_err+0x35/0x50 free_debug_processing.cold+0xb7/0xbe __slab_free+0x1ae/0x330 kmem_cache_free+0x46d/0x490 mempool_free_slab+0x17/0x20 mempool_free+0x66/0x190 bio_free+0x78/0x90 bio_put+0x100/0x1a0 mpage_end_io+0x36/0x150 bio_endio+0x2fd/0x360 md_end_io_acct+0x7e/0x90 bio_endio+0x2fd/0x360 handle_failed_stripe+0x960/0xb80 handle_stripe+0x1348/0x3760 handle_active_stripes.constprop.0+0x72a/0xaf0 raid5_do_work+0x177/0x330 process_one_work+0x616/0xb20 worker_thread+0x2bd/0x6f0 kthread+0x179/0x1b0 ret_from_fork+0x22/0x30 </TASK> The double free is caused by an unnecessary bio_put() in the if(is_badblock(...)) error path in raid5_read_one_chunk(). The error path was moved ahead of bio_alloc_clone() in c82aa1b ("md/raid5: move checking badblock before clone bio in raid5_read_one_chunk"). The previous code checked and freed align_bio which required a bio_put. After the move that is no longer needed as raid_bio is returned to the control of the common io path which performs its own endio resulting in a double free on bad device blocks. Fixes: c82aa1b ("md/raid5: move checking badblock before clone bio in raid5_read_one_chunk") Signed-off-by: David Sloan <david.sloan@eideticom.com> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Guoqing Jiang <Guoqing.jiang@linux.dev> Signed-off-by: Song Liu <song@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
jackpot51
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Sep 20, 2023
[ Upstream commit 9e14606 ] Since limited tracking device per condition, this feature is to support tracking multiple devices concurrently. When a pattern monitor detects the device, this feature issues an address monitor for tracking that device. Let pattern monitor can keep monitor new devices. This feature adds an address filter when receiving a LE monitor device event which monitor handle is for a pattern, and the controller started monitoring the device. And this feature also has cancelled the monitor advertisement from address filters when receiving a LE monitor device event when the controller stopped monitoring the device specified by an address and monitor handle. Below is an example to know the feature adds the address filter. //Add MSFT pattern monitor < HCI Command: Vendor (0x3f|0x00f0) plen 14 #142 [hci0] 55.552420 03 b8 a4 03 ff 01 01 06 09 05 5f 52 45 46 .........._REF > HCI Event: Command Complete (0x0e) plen 6 #143 [hci0] 55.653960 Vendor (0x3f|0x00f0) ncmd 2 Status: Success (0x00) 03 00 //Got event from the pattern monitor > HCI Event: Vendor (0xff) plen 18 #148 [hci0] 58.384953 23 79 54 33 77 88 97 68 02 00 fb c1 29 eb 27 b8 #yT3w..h....).'. 00 01 .. //Add MSFT address monitor (Sample address: B8:27:EB:29:C1:FB) < HCI Command: Vendor (0x3f|0x00f0) plen 13 #149 [hci0] 58.385067 03 b8 a4 03 ff 04 00 fb c1 29 eb 27 b8 .........).'. //Report to userspace about found device (ADV Monitor Device Found) @ MGMT Event: Unknown (0x002f) plen 38 {0x0003} [hci0] 58.680042 01 00 fb c1 29 eb 27 b8 01 ce 00 00 00 00 16 00 ....).'......... 0a 09 4b 45 59 42 44 5f 52 45 46 02 01 06 03 19 ..KEYBD_REF..... c1 03 03 03 12 18 ...... //Got event from address monitor > HCI Event: Vendor (0xff) plen 18 #152 [hci0] 58.672956 23 79 54 33 77 88 97 68 02 00 fb c1 29 eb 27 b8 #yT3w..h....).'. 01 01 Signed-off-by: Alex Lu <alex_lu@realsil.com.cn> Signed-off-by: Hilda Wu <hildawu@realtek.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Stable-dep-of: 253f339 ("Bluetooth: HCI: Introduce HCI_QUIRK_BROKEN_LE_CODED") Signed-off-by: Sasha Levin <sashal@kernel.org>
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I have two seperate AMD+NVIDIA RTX machines (one Threadripper 3950x one Ryzen 9 5900x) both running on Gigabyte mainboards (TRX40 and X570 Extreme), and latest BIOS.
The following issue started after I upgraded to PopOs 22.04 LTS:
Each time system goes into a deep sleep mode, both machines do not wake up properly, the display never turns back on. BIOS debug shows 30, i.e. resume and handover to OS, but the screen never wakes up and the keyboard is not responsive. The only thing I can do is to force shutdown the machine.
I've tried few BIOS options (i.e. turning on and off the resizable bar support, CSM, etc.) to no avail.
A google search revealed no relevant results.
I find it strange I experience the issue on two different machines. I suspect a buggy bios since both machines have Gigabyte mainboards, but I am not an expert in debugging what fails in the kernel. Could you please help me debug the issue?
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