* [bug report] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921 io_ring_exit_work+0x155/0x288
@ 2025-06-24 5:37 Changhui Zhong
2025-06-24 5:53 ` Changhui Zhong
2025-06-24 8:03 ` Ming Lei
0 siblings, 2 replies; 4+ messages in thread
From: Changhui Zhong @ 2025-06-24 5:37 UTC (permalink / raw)
To: Linux Block Devices, io-uring; +Cc: Ming Lei
Hello,
the following warnning info was triggered by ubdsrv generic/004 tests,
please help check and let me know if you need any info/test, thanks.
repo: https://github.com/torvalds/linux.git
branch: master
INFO: HEAD of cloned kernel
commit 86731a2a651e58953fc949573895f2fa6d456841
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Jun 22 13:30:08 2025 -0700
Linux 6.16-rc3
reproducer:
# echo 0 > /proc/sys/kernel/io_uring_disabled
# modprobe ublk_drv
# for i in {0..30};do make test T=generic; done
dmesg log:
[61128.578684] running generic/004
[61133.356428] blk_print_req_error: 525 callbacks suppressed
[61133.356435] I/O error, dev ublkb0, sector 230760 op 0x0:(READ)
flags 0x0 phys_seg 3 prio class 0
[61133.372322] I/O error, dev ublkb0, sector 233744 op 0x1:(WRITE)
flags 0x8800 phys_seg 1 prio class 0
[61133.382529] I/O error, dev ublkb0, sector 230384 op 0x0:(READ)
flags 0x0 phys_seg 2 prio class 0
[61133.392341] I/O error, dev ublkb0, sector 233752 op 0x1:(WRITE)
flags 0x8800 phys_seg 1 prio class 0
[61133.402540] I/O error, dev ublkb0, sector 230400 op 0x0:(READ)
flags 0x0 phys_seg 6 prio class 0
[61133.412354] I/O error, dev ublkb0, sector 233760 op 0x1:(WRITE)
flags 0x8800 phys_seg 1 prio class 0
[61133.422556] I/O error, dev ublkb0, sector 230448 op 0x0:(READ)
flags 0x0 phys_seg 3 prio class 0
[61133.432370] I/O error, dev ublkb0, sector 233768 op 0x1:(WRITE)
flags 0x8800 phys_seg 2 prio class 0
[61133.442571] I/O error, dev ublkb0, sector 233816 op 0x1:(WRITE)
flags 0x8800 phys_seg 2 prio class 0
[61133.452773] I/O error, dev ublkb0, sector 230568 op 0x0:(READ)
flags 0x0 phys_seg 2 prio class 0
[61133.474450] buffer_io_error: 2 callbacks suppressed
[61133.474456] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61133.487907] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61133.495823] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61133.503706] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61133.511584] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61133.519459] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61135.776566] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61135.784574] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61135.792489] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61135.800385] Buffer I/O error on dev ublkb0, logical block 0, async page read
[-- MARK -- Tue Jun 24 05:10:00 2025]
[61140.252443] blk_print_req_error: 761 callbacks suppressed
[61140.252450] I/O error, dev ublkb0, sector 229072 op 0x0:(READ)
flags 0x0 phys_seg 1 prio class 0
[61140.268331] I/O error, dev ublkb0, sector 229192 op 0x0:(READ)
flags 0x0 phys_seg 2 prio class 0
[61140.278151] I/O error, dev ublkb0, sector 228992 op 0x0:(READ)
flags 0x0 phys_seg 2 prio class 0
[61140.287963] I/O error, dev ublkb0, sector 229344 op 0x0:(READ)
flags 0x0 phys_seg 3 prio class 0
[61140.297777] I/O error, dev ublkb0, sector 229080 op 0x1:(WRITE)
flags 0x8800 phys_seg 1 prio class 0
[61140.307977] I/O error, dev ublkb0, sector 229080 op 0x0:(READ)
flags 0x0 phys_seg 1 prio class 0
[61140.317793] I/O error, dev ublkb0, sector 229008 op 0x0:(READ)
flags 0x0 phys_seg 2 prio class 0
[61140.327604] I/O error, dev ublkb0, sector 229208 op 0x0:(READ)
flags 0x0 phys_seg 4 prio class 0
[61140.337419] I/O error, dev ublkb0, sector 229208 op 0x1:(WRITE)
flags 0x8800 phys_seg 6 prio class 0
[61140.347636] I/O error, dev ublkb0, sector 229088 op 0x1:(WRITE)
flags 0x8800 phys_seg 1 prio class 0
[61140.368546] buffer_io_error: 8 callbacks suppressed
[61140.368550] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61140.381994] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61140.389904] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61140.397794] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61140.405676] Buffer I/O error on dev ublkb0, logical block 0, async page read
[61140.413552] Buffer I/O error on dev ublkb0, logical block 0, async page read
[-- MARK -- Tue Jun 24 05:15:00 2025]
[61449.365065] ------------[ cut here ]------------
[61449.370245] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921
io_ring_exit_work+0x155/0x288
[61449.380178] Modules linked in: ublk_drv rpcsec_gss_krb5 auth_rpcgss
nfsv4 dns_resolver nfs lockd grace nfs_localio netfs sunrpc rfkill
intel_rapl_msr intel_rapl_common intel_uncore_frequency
intel_uncore_frequency_common i10nm_edac skx_edac_common nfit
libnvdimm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm
irqbypass dax_hmem rapl cxl_acpi cxl_port intel_cstate ipmi_ssif
cdc_ether iTCO_wdt cxl_core iTCO_vendor_support usbnet mgag200 mii
intel_uncore tg3 ioatdma einj i2c_i801 pcspkr intel_th_gth
isst_if_mbox_pci mei_me isst_if_mmio i2c_algo_bit acpi_power_meter
intel_th_pci mei i2c_smbus isst_if_common intel_vsec intel_th
intel_pch_thermal dca ipmi_si acpi_ipmi ipmi_devintf ipmi_msghandler
acpi_pad sg fuse loop dm_multipath nfnetlink xfs sd_mod ahci libahci
libata ghash_clmulni_intel wmi dm_mirror dm_region_hash dm_log dm_mod
[last unloaded: ublk_drv]
[61449.465875] CPU: 3 UID: 0 PID: 175811 Comm: kworker/u96:2 Tainted:
G S 6.16.0-rc3 #1 PREEMPT(voluntary)
[61449.478116] Tainted: [S]=CPU_OUT_OF_SPEC
[61449.482501] Hardware name: Lenovo ThinkSystem SR650 V2/7Z73CTO1WW,
BIOS AFE118M-1.32 06/29/2022
[61449.492218] Workqueue: iou_exit io_ring_exit_work
[61449.497476] RIP: 0010:io_ring_exit_work+0x155/0x288
[61449.502929] Code: e8 00 76 6f 00 4c 89 f7 e8 68 d2 6e 00 4c 89 e7
e8 a0 e9 ff ff 31 c9 48 89 4c 24 10 48 8b 05 a2 0e 9e 01 48 39 44 24
08 79 08 <0f> 0b 41 bd 60 ea 00 00 48 8d 7b 30 4c 89 ee e8 b7 d1 e4 00
48 85
[61449.523892] RSP: 0018:ff8b5fc9cd4b3db0 EFLAGS: 00010297
[61449.529732] RAX: 0000000103a50f19 RBX: ff43740b38f6f410 RCX: 0000000000000000
[61449.537702] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff43740b38f6f040
[61449.545673] RBP: ff8b5fc9cd4b3e40 R08: ff43740a80400790 R09: ffffffffa42588e0
[61449.553645] R10: 0000000000000000 R11: 0000000000000000 R12: ff43740b38f6f000
[61449.561615] R13: 0000000000000032 R14: 0000000000000000 R15: ff43740b38f6f040
[61449.569588] FS: 0000000000000000(0000) GS:ff43740e0a985000(0000)
knlGS:0000000000000000
[61449.578627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[61449.585045] CR2: 00007fbc9c500790 CR3: 00000002ce024002 CR4: 0000000000773ef0
[61449.593017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[61449.600993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[61449.608964] PKRU: 55555554
[61449.611989] Call Trace:
[61449.614724] <TASK>
[61449.617070] process_one_work+0x188/0x340
[61449.621556] worker_thread+0x257/0x3a0
[61449.625747] ? __pfx_worker_thread+0x10/0x10
[61449.630519] kthread+0xfc/0x240
[61449.634031] ? __pfx_kthread+0x10/0x10
[61449.638221] ? __pfx_kthread+0x10/0x10
[61449.642412] ret_from_fork+0xed/0x110
[61449.646507] ? __pfx_kthread+0x10/0x10
[61449.650696] ret_from_fork_asm+0x1a/0x30
[61449.655084] </TASK>
[61449.657526] ---[ end trace 0000000000000000 ]---
[61730.255363] running generic/005
[61732.466565] blk_print_req_error: 397 callbacks suppressed
[61732.466573] I/O error, dev ublkb1, sector 2094968 op 0x1:(WRITE)
flags 0x8800 phys_seg 1 prio class 0
Best Regards,
Changhui
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [bug report] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921 io_ring_exit_work+0x155/0x288
2025-06-24 5:37 [bug report] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921 io_ring_exit_work+0x155/0x288 Changhui Zhong
@ 2025-06-24 5:53 ` Changhui Zhong
2025-06-24 8:03 ` Ming Lei
1 sibling, 0 replies; 4+ messages in thread
From: Changhui Zhong @ 2025-06-24 5:53 UTC (permalink / raw)
To: Linux Block Devices, io-uring; +Cc: Ming Lei
On Tue, Jun 24, 2025 at 1:37 PM Changhui Zhong <czhong@redhat.com> wrote:
>
> Hello,
>
> the following warnning info was triggered by ubdsrv generic/004 tests,
> please help check and let me know if you need any info/test, thanks.
>
> repo: https://github.com/torvalds/linux.git
> branch: master
> INFO: HEAD of cloned kernel
> commit 86731a2a651e58953fc949573895f2fa6d456841
> Author: Linus Torvalds <torvalds@linux-foundation.org>
> Date: Sun Jun 22 13:30:08 2025 -0700
>
> Linux 6.16-rc3
>
>
> reproducer:
> # echo 0 > /proc/sys/kernel/io_uring_disabled
> # modprobe ublk_drv
> # for i in {0..30};do make test T=generic; done
>
> dmesg log:
> [61128.578684] running generic/004
> [61133.356428] blk_print_req_error: 525 callbacks suppressed
> [61133.356435] I/O error, dev ublkb0, sector 230760 op 0x0:(READ)
> flags 0x0 phys_seg 3 prio class 0
> [61133.372322] I/O error, dev ublkb0, sector 233744 op 0x1:(WRITE)
> flags 0x8800 phys_seg 1 prio class 0
> [61133.382529] I/O error, dev ublkb0, sector 230384 op 0x0:(READ)
> flags 0x0 phys_seg 2 prio class 0
> [61133.392341] I/O error, dev ublkb0, sector 233752 op 0x1:(WRITE)
> flags 0x8800 phys_seg 1 prio class 0
> [61133.402540] I/O error, dev ublkb0, sector 230400 op 0x0:(READ)
> flags 0x0 phys_seg 6 prio class 0
> [61133.412354] I/O error, dev ublkb0, sector 233760 op 0x1:(WRITE)
> flags 0x8800 phys_seg 1 prio class 0
> [61133.422556] I/O error, dev ublkb0, sector 230448 op 0x0:(READ)
> flags 0x0 phys_seg 3 prio class 0
> [61133.432370] I/O error, dev ublkb0, sector 233768 op 0x1:(WRITE)
> flags 0x8800 phys_seg 2 prio class 0
> [61133.442571] I/O error, dev ublkb0, sector 233816 op 0x1:(WRITE)
> flags 0x8800 phys_seg 2 prio class 0
> [61133.452773] I/O error, dev ublkb0, sector 230568 op 0x0:(READ)
> flags 0x0 phys_seg 2 prio class 0
> [61133.474450] buffer_io_error: 2 callbacks suppressed
> [61133.474456] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61133.487907] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61133.495823] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61133.503706] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61133.511584] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61133.519459] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61135.776566] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61135.784574] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61135.792489] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61135.800385] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [-- MARK -- Tue Jun 24 05:10:00 2025]
> [61140.252443] blk_print_req_error: 761 callbacks suppressed
> [61140.252450] I/O error, dev ublkb0, sector 229072 op 0x0:(READ)
> flags 0x0 phys_seg 1 prio class 0
> [61140.268331] I/O error, dev ublkb0, sector 229192 op 0x0:(READ)
> flags 0x0 phys_seg 2 prio class 0
> [61140.278151] I/O error, dev ublkb0, sector 228992 op 0x0:(READ)
> flags 0x0 phys_seg 2 prio class 0
> [61140.287963] I/O error, dev ublkb0, sector 229344 op 0x0:(READ)
> flags 0x0 phys_seg 3 prio class 0
> [61140.297777] I/O error, dev ublkb0, sector 229080 op 0x1:(WRITE)
> flags 0x8800 phys_seg 1 prio class 0
> [61140.307977] I/O error, dev ublkb0, sector 229080 op 0x0:(READ)
> flags 0x0 phys_seg 1 prio class 0
> [61140.317793] I/O error, dev ublkb0, sector 229008 op 0x0:(READ)
> flags 0x0 phys_seg 2 prio class 0
> [61140.327604] I/O error, dev ublkb0, sector 229208 op 0x0:(READ)
> flags 0x0 phys_seg 4 prio class 0
> [61140.337419] I/O error, dev ublkb0, sector 229208 op 0x1:(WRITE)
> flags 0x8800 phys_seg 6 prio class 0
> [61140.347636] I/O error, dev ublkb0, sector 229088 op 0x1:(WRITE)
> flags 0x8800 phys_seg 1 prio class 0
> [61140.368546] buffer_io_error: 8 callbacks suppressed
> [61140.368550] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61140.381994] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61140.389904] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61140.397794] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61140.405676] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [61140.413552] Buffer I/O error on dev ublkb0, logical block 0, async page read
> [-- MARK -- Tue Jun 24 05:15:00 2025]
> [61449.365065] ------------[ cut here ]------------
> [61449.370245] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921
> io_ring_exit_work+0x155/0x288
> [61449.380178] Modules linked in: ublk_drv rpcsec_gss_krb5 auth_rpcgss
> nfsv4 dns_resolver nfs lockd grace nfs_localio netfs sunrpc rfkill
> intel_rapl_msr intel_rapl_common intel_uncore_frequency
> intel_uncore_frequency_common i10nm_edac skx_edac_common nfit
> libnvdimm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm
> irqbypass dax_hmem rapl cxl_acpi cxl_port intel_cstate ipmi_ssif
> cdc_ether iTCO_wdt cxl_core iTCO_vendor_support usbnet mgag200 mii
> intel_uncore tg3 ioatdma einj i2c_i801 pcspkr intel_th_gth
> isst_if_mbox_pci mei_me isst_if_mmio i2c_algo_bit acpi_power_meter
> intel_th_pci mei i2c_smbus isst_if_common intel_vsec intel_th
> intel_pch_thermal dca ipmi_si acpi_ipmi ipmi_devintf ipmi_msghandler
> acpi_pad sg fuse loop dm_multipath nfnetlink xfs sd_mod ahci libahci
> libata ghash_clmulni_intel wmi dm_mirror dm_region_hash dm_log dm_mod
> [last unloaded: ublk_drv]
> [61449.465875] CPU: 3 UID: 0 PID: 175811 Comm: kworker/u96:2 Tainted:
> G S 6.16.0-rc3 #1 PREEMPT(voluntary)
> [61449.478116] Tainted: [S]=CPU_OUT_OF_SPEC
> [61449.482501] Hardware name: Lenovo ThinkSystem SR650 V2/7Z73CTO1WW,
> BIOS AFE118M-1.32 06/29/2022
> [61449.492218] Workqueue: iou_exit io_ring_exit_work
> [61449.497476] RIP: 0010:io_ring_exit_work+0x155/0x288
> [61449.502929] Code: e8 00 76 6f 00 4c 89 f7 e8 68 d2 6e 00 4c 89 e7
> e8 a0 e9 ff ff 31 c9 48 89 4c 24 10 48 8b 05 a2 0e 9e 01 48 39 44 24
> 08 79 08 <0f> 0b 41 bd 60 ea 00 00 48 8d 7b 30 4c 89 ee e8 b7 d1 e4 00
> 48 85
> [61449.523892] RSP: 0018:ff8b5fc9cd4b3db0 EFLAGS: 00010297
> [61449.529732] RAX: 0000000103a50f19 RBX: ff43740b38f6f410 RCX: 0000000000000000
> [61449.537702] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff43740b38f6f040
> [61449.545673] RBP: ff8b5fc9cd4b3e40 R08: ff43740a80400790 R09: ffffffffa42588e0
> [61449.553645] R10: 0000000000000000 R11: 0000000000000000 R12: ff43740b38f6f000
> [61449.561615] R13: 0000000000000032 R14: 0000000000000000 R15: ff43740b38f6f040
> [61449.569588] FS: 0000000000000000(0000) GS:ff43740e0a985000(0000)
> knlGS:0000000000000000
> [61449.578627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [61449.585045] CR2: 00007fbc9c500790 CR3: 00000002ce024002 CR4: 0000000000773ef0
> [61449.593017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [61449.600993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [61449.608964] PKRU: 55555554
> [61449.611989] Call Trace:
> [61449.614724] <TASK>
> [61449.617070] process_one_work+0x188/0x340
> [61449.621556] worker_thread+0x257/0x3a0
> [61449.625747] ? __pfx_worker_thread+0x10/0x10
> [61449.630519] kthread+0xfc/0x240
> [61449.634031] ? __pfx_kthread+0x10/0x10
> [61449.638221] ? __pfx_kthread+0x10/0x10
> [61449.642412] ret_from_fork+0xed/0x110
> [61449.646507] ? __pfx_kthread+0x10/0x10
> [61449.650696] ret_from_fork_asm+0x1a/0x30
> [61449.655084] </TASK>
> [61449.657526] ---[ end trace 0000000000000000 ]---
> [61730.255363] running generic/005
> [61732.466565] blk_print_req_error: 397 callbacks suppressed
> [61732.466573] I/O error, dev ublkb1, sector 2094968 op 0x1:(WRITE)
> flags 0x8800 phys_seg 1 prio class 0
>
>
> Best Regards,
> Changhui
looks this is a timeout warning, the io_ring's exit worker process
execution time exceeds the expected timeout threshold
(gdb) l *(io_ring_exit_work+0x155)
0xffffffff81228b25 is in io_ring_exit_work (io_uring/io_uring.c:2921).
2916 io_sq_thread_unpark(sqd);
2917 }
2918
2919 io_req_caches_free(ctx);
2920
2921 if (WARN_ON_ONCE(time_after(jiffies, timeout))) {
2922 /* there is little hope left, don't
run it too often */
2923 interval = HZ * 60;
2924 }
2925 /*
(gdb)
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [bug report] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921 io_ring_exit_work+0x155/0x288
2025-06-24 5:37 [bug report] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921 io_ring_exit_work+0x155/0x288 Changhui Zhong
2025-06-24 5:53 ` Changhui Zhong
@ 2025-06-24 8:03 ` Ming Lei
2025-06-24 15:02 ` Changhui Zhong
1 sibling, 1 reply; 4+ messages in thread
From: Ming Lei @ 2025-06-24 8:03 UTC (permalink / raw)
To: Changhui Zhong; +Cc: Linux Block Devices, io-uring
On Tue, Jun 24, 2025 at 01:37:55PM +0800, Changhui Zhong wrote:
> Hello,
>
> the following warnning info was triggered by ubdsrv generic/004 tests,
> please help check and let me know if you need any info/test, thanks.
>
> repo: https://github.com/torvalds/linux.git
> branch: master
> INFO: HEAD of cloned kernel
> commit 86731a2a651e58953fc949573895f2fa6d456841
> Author: Linus Torvalds <torvalds@linux-foundation.org>
> Date: Sun Jun 22 13:30:08 2025 -0700
>
> Linux 6.16-rc3
>
>
> reproducer:
> # echo 0 > /proc/sys/kernel/io_uring_disabled
> # modprobe ublk_drv
> # for i in {0..30};do make test T=generic; done
Hi Changhui,
Please try the fix for your yesterday's report:
https://lore.kernel.org/linux-block/20250624022049.825370-1-ming.lei@redhat.com/
The same test can survive for hours in my VM with the fix.
Thanks,
Ming
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [bug report] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921 io_ring_exit_work+0x155/0x288
2025-06-24 8:03 ` Ming Lei
@ 2025-06-24 15:02 ` Changhui Zhong
0 siblings, 0 replies; 4+ messages in thread
From: Changhui Zhong @ 2025-06-24 15:02 UTC (permalink / raw)
To: Ming Lei; +Cc: Linux Block Devices, io-uring
On Tue, Jun 24, 2025 at 4:03 PM Ming Lei <ming.lei@redhat.com> wrote:
>
> On Tue, Jun 24, 2025 at 01:37:55PM +0800, Changhui Zhong wrote:
> > Hello,
> >
> > the following warnning info was triggered by ubdsrv generic/004 tests,
> > please help check and let me know if you need any info/test, thanks.
> >
> > repo: https://github.com/torvalds/linux.git
> > branch: master
> > INFO: HEAD of cloned kernel
> > commit 86731a2a651e58953fc949573895f2fa6d456841
> > Author: Linus Torvalds <torvalds@linux-foundation.org>
> > Date: Sun Jun 22 13:30:08 2025 -0700
> >
> > Linux 6.16-rc3
> >
> >
> > reproducer:
> > # echo 0 > /proc/sys/kernel/io_uring_disabled
> > # modprobe ublk_drv
> > # for i in {0..30};do make test T=generic; done
>
> Hi Changhui,
>
> Please try the fix for your yesterday's report:
>
> https://lore.kernel.org/linux-block/20250624022049.825370-1-ming.lei@redhat.com/
>
> The same test can survive for hours in my VM with the fix.
>
>
> Thanks,
> Ming
>
Hi，Ming
I ran the test 'make test T=generic' 50 times with your patch V2 and
not hit this issue.
Thanks，
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2025-06-24 15:02 UTC | newest]
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2025-06-24 5:37 [bug report] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921 io_ring_exit_work+0x155/0x288 Changhui Zhong
2025-06-24 5:53 ` Changhui Zhong
2025-06-24 8:03 ` Ming Lei
2025-06-24 15:02 ` Changhui Zhong
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