* Re: BUG: using smp_processor_id() in preemptible [00000000] code] [not found] <20160609172444.GB6277@invalid> @ 2016-06-09 18:14 ` Alan Stern 2016-06-09 19:10 ` Nadav Amit 0 siblings, 1 reply; 5+ messages in thread From: Alan Stern @ 2016-06-09 18:14 UTC (permalink / raw) To: M G Berberich; +Cc: USB list, linux-mm On Thu, 9 Jun 2016, M G Berberich wrote: > Hello, > > With 4.7-rc2, after detecting a USB Mass Storage device > > [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected > > a constant flow of kernel-BUGS is reported (several per second). > > [ 11.599215] BUG: using smp_processor_id() in preemptible [00000000] code: > systemd-udevd/389 > [ 11.599218] caller is debug_smp_processor_id+0x17/0x20 > [ 11.599220] CPU: 4 PID: 389 Comm: systemd-udevd Not tainted 4.7.0-rc2 #6 > [ 11.599220] Hardware name: Gigabyte Technology Co., Ltd. H87-HD3/H87-HD3, > BIOS F10 08/18/2015 > [ 11.599223] 0000000000000000 ffff88080466b6c8 ffffffff813fc42d > 0000000000000004 > [ 11.599224] ffffffff81cc1da3 ffff88080466b6f8 ffffffff8141a0f6 > 0000000000000000 > [ 11.599226] ffff880809fe8d98 0000000000000001 00000000000fffff > ffff88080466b708 > [ 11.599226] Call Trace: > [ 11.599229] [<ffffffff813fc42d>] dump_stack+0x4f/0x72 > [ 11.599231] [<ffffffff8141a0f6>] check_preemption_disabled+0xd6/0xe0 > [ 11.599233] [<ffffffff8141a117>] debug_smp_processor_id+0x17/0x20 > [ 11.599235] [<ffffffff814f0336>] alloc_iova_fast+0xb6/0x210 > [ 11.599238] [<ffffffff819ed64f>] ? __wait_on_bit+0x6f/0x90 > [ 11.599240] [<ffffffff814f388d>] intel_alloc_iova+0x9d/0xd0 > [ 11.599241] [<ffffffff814f7c33>] __intel_map_single+0x93/0x190 > [ 11.599242] [<ffffffff814f7d64>] intel_map_page+0x34/0x40 > > Please see https://bugzilla.kernel.org/show_bug.cgi?id=119801 for a > more complete kernel-log This looks like a bug in the memory management subsystem. It should be reported on the linux-mm mailing list (CC'ed). Alan Stern -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code] 2016-06-09 18:14 ` BUG: using smp_processor_id() in preemptible [00000000] code] Alan Stern @ 2016-06-09 19:10 ` Nadav Amit 2016-06-13 13:06 ` M G Berberich 0 siblings, 1 reply; 5+ messages in thread From: Nadav Amit @ 2016-06-09 19:10 UTC (permalink / raw) To: iommu, Adam Morrison, M G Berberich; +Cc: USB list, linux-mm, Alan Stern Alan Stern <stern@rowland.harvard.edu> wrote: > On Thu, 9 Jun 2016, M G Berberich wrote: > >> Hello, >> >> With 4.7-rc2, after detecting a USB Mass Storage device >> >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected >> >> a constant flow of kernel-BUGS is reported (several per second). >> >> [ 11.599215] BUG: using smp_processor_id() in preemptible [00000000] code: >> systemd-udevd/389 >> [ 11.599218] caller is debug_smp_processor_id+0x17/0x20 >> [ 11.599220] CPU: 4 PID: 389 Comm: systemd-udevd Not tainted 4.7.0-rc2 #6 >> [ 11.599220] Hardware name: Gigabyte Technology Co., Ltd. H87-HD3/H87-HD3, >> BIOS F10 08/18/2015 >> [ 11.599223] 0000000000000000 ffff88080466b6c8 ffffffff813fc42d >> 0000000000000004 >> [ 11.599224] ffffffff81cc1da3 ffff88080466b6f8 ffffffff8141a0f6 >> 0000000000000000 >> [ 11.599226] ffff880809fe8d98 0000000000000001 00000000000fffff >> ffff88080466b708 >> [ 11.599226] Call Trace: >> [ 11.599229] [<ffffffff813fc42d>] dump_stack+0x4f/0x72 >> [ 11.599231] [<ffffffff8141a0f6>] check_preemption_disabled+0xd6/0xe0 >> [ 11.599233] [<ffffffff8141a117>] debug_smp_processor_id+0x17/0x20 >> [ 11.599235] [<ffffffff814f0336>] alloc_iova_fast+0xb6/0x210 >> [ 11.599238] [<ffffffff819ed64f>] ? __wait_on_bit+0x6f/0x90 >> [ 11.599240] [<ffffffff814f388d>] intel_alloc_iova+0x9d/0xd0 >> [ 11.599241] [<ffffffff814f7c33>] __intel_map_single+0x93/0x190 >> [ 11.599242] [<ffffffff814f7d64>] intel_map_page+0x34/0x40 >> >> Please see https://bugzilla.kernel.org/show_bug.cgi?id=119801 for a >> more complete kernel-log > > This looks like a bug in the memory management subsystem. It should be > reported on the linux-mm mailing list (CC'ed). This bug is IOMMU related (mailing list CC’ed) and IIUC already fixed. Regards, Nadav -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code] 2016-06-09 19:10 ` Nadav Amit @ 2016-06-13 13:06 ` M G Berberich 2016-06-13 13:11 ` Adam Morrison 0 siblings, 1 reply; 5+ messages in thread From: M G Berberich @ 2016-06-13 13:06 UTC (permalink / raw) To: Nadav Amit; +Cc: iommu, Adam Morrison, USB list, linux-mm, Alan Stern Hello, Am Donnerstag, den 09. Juni schrieb Nadav Amit: > Alan Stern <stern@rowland.harvard.edu> wrote: > > > On Thu, 9 Jun 2016, M G Berberich wrote: > > > >> With 4.7-rc2, after detecting a USB Mass Storage device > >> > >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected > >> > >> a constant flow of kernel-BUGS is reported (several per second). [a?|] > > This looks like a bug in the memory management subsystem. It should be > > reported on the linux-mm mailing list (CC'ed). > > This bug is IOMMU related (mailing list CCa??ed) and IIUC already fixed. Not fixed in 4.7-rc3 MfG bmg -- a??Des is vA?llig wurscht, was heut beschlos- | M G Berberich sen wird: I bin sowieso dagegn!a?? | mail@m-berberich.de (SPD-Stadtrat Kurt Schindler; Regensburg) | -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code] 2016-06-13 13:06 ` M G Berberich @ 2016-06-13 13:11 ` Adam Morrison 2016-06-14 9:08 ` M G Berberich 0 siblings, 1 reply; 5+ messages in thread From: Adam Morrison @ 2016-06-13 13:11 UTC (permalink / raw) To: M G Berberich; +Cc: Nadav Amit, iommu, USB list, linux-mm, Alan Stern Hi, On Mon, Jun 13, 2016 at 4:06 PM, M G Berberich <berberic@fmi.uni-passau.de> wrote: > Hello, > >> >> With 4.7-rc2, after detecting a USB Mass Storage device >> >> >> >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected >> >> >> >> a constant flow of kernel-BUGS is reported (several per second). > > […] > >> > This looks like a bug in the memory management subsystem. It should be >> > reported on the linux-mm mailing list (CC'ed). >> >> This bug is IOMMU related (mailing list CC’ed) and IIUC already fixed. > > Not fixed in 4.7-rc3 These patches should fix the issue: https://lkml.org/lkml/2016/6/1/310 https://lkml.org/lkml/2016/6/1/311 I'm not sure why they weren't applied... will ping the maintainers. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: BUG: using smp_processor_id() in preemptible [00000000] code] 2016-06-13 13:11 ` Adam Morrison @ 2016-06-14 9:08 ` M G Berberich 0 siblings, 0 replies; 5+ messages in thread From: M G Berberich @ 2016-06-14 9:08 UTC (permalink / raw) To: Adam Morrison; +Cc: Nadav Amit, iommu, USB list, linux-mm, Alan Stern Hello, Am Montag, den 13. Juni schrieb Adam Morrison: > On Mon, Jun 13, 2016 at 4:06 PM, M G Berberich > <berberic@fmi.uni-passau.de> wrote: > > > Hello, > > > >> >> With 4.7-rc2, after detecting a USB Mass Storage device > >> >> > >> >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected > >> >> > >> >> a constant flow of kernel-BUGS is reported (several per second). > > > > [a?|] > > > >> > This looks like a bug in the memory management subsystem. It should be > >> > reported on the linux-mm mailing list (CC'ed). > >> > >> This bug is IOMMU related (mailing list CCa??ed) and IIUC already fixed. > > > > Not fixed in 4.7-rc3 > > These patches should fix the issue: > > https://lkml.org/lkml/2016/6/1/310 > https://lkml.org/lkml/2016/6/1/311 FYIO: They do, indeed. > I'm not sure why they weren't applied... will ping the maintainers. MfG bmg -- a??Des is vA?llig wurscht, was heut beschlos- | M G Berberich sen wird: I bin sowieso dagegn!a?? | mail@m-berberich.de (SPD-Stadtrat Kurt Schindler; Regensburg) | -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> ^ permalink raw reply [flat|nested] 5+ messages in thread
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[not found] <20160609172444.GB6277@invalid>
2016-06-09 18:14 ` BUG: using smp_processor_id() in preemptible [00000000] code] Alan Stern
2016-06-09 19:10 ` Nadav Amit
2016-06-13 13:06 ` M G Berberich
2016-06-13 13:11 ` Adam Morrison
2016-06-14 9:08 ` M G Berberich
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