Bug 698841
Summary: | IO performance is remarkably lower | ||||||
---|---|---|---|---|---|---|---|
Product: | [Fedora] Fedora | Reporter: | Wyatt Gosling <yatt12> | ||||
Component: | kernel | Assignee: | Kernel Maintainer List <kernel-maint> | ||||
Status: | CLOSED WORKSFORME | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
Severity: | high | Docs Contact: | |||||
Priority: | unspecified | ||||||
Version: | 15 | CC: | gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda | ||||
Target Milestone: | --- | ||||||
Target Release: | --- | ||||||
Hardware: | x86_64 | ||||||
OS: | Linux | ||||||
Whiteboard: | |||||||
Fixed In Version: | Doc Type: | Bug Fix | |||||
Doc Text: | Story Points: | --- | |||||
Clone Of: | Environment: | ||||||
Last Closed: | 2012-06-04 18:50:08 UTC | Type: | --- | ||||
Regression: | --- | Mount Type: | --- | ||||
Documentation: | --- | CRM: | |||||
Verified Versions: | Category: | --- | |||||
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
Cloudforms Team: | --- | Target Upstream Version: | |||||
Embargoed: | |||||||
Attachments: |
|
Description
Wyatt Gosling
2011-04-21 23:39:35 UTC
Yours is the only report of any problem like this. Can you run some minimal tests and then upload the output of the "dmesg" command (as a plain-text attachment)? Created attachment 494487 [details]
dmesg output
Interrupt 19 is getting disabled 14 seconds after boot: [ 14.186682] irq 19: nobody cared (try booting with the "irqpoll" option) [ 14.186692] Pid: 0, comm: kworker/0:0 Not tainted 2.6.38.2-9.fc15.x86_64 #1 [ 14.186695] Call Trace: [ 14.186698] <IRQ> [<ffffffff8146d44e>] ? __report_bad_irq+0x38/0x87 [ 14.186717] [<ffffffff810ade1c>] ? note_interrupt+0x122/0x18e [ 14.186722] [<ffffffff810ae940>] ? handle_fasteoi_irq+0xab/0xd7 [ 14.186728] [<ffffffff8100c0b5>] ? handle_irq+0x88/0x8e [ 14.186734] [<ffffffff8147b245>] ? do_IRQ+0x4d/0xa5 [ 14.186741] [<ffffffff81475193>] ? ret_from_intr+0x0/0x15 [ 14.186743] <EOI> [<ffffffff810b1234>] ? rcu_needs_cpu+0x111/0x1c2 [ 14.186754] [<ffffffff8102a145>] ? native_safe_halt+0xb/0xd [ 14.186759] [<ffffffff81010d12>] ? default_idle+0x4e/0x86 [ 14.186765] [<ffffffff81008321>] ? cpu_idle+0xa5/0xdf [ 14.186772] [<ffffffff814641f7>] ? start_secondary+0x20c/0x20e [ 14.186775] handlers: [ 14.186777] [<ffffffff8132740e>] (ahci_interrupt+0x0/0x594) [ 14.186784] [<ffffffff8133de0a>] (usb_hcd_irq+0x0/0x77) You could try adding "noirqdebug" to the kernel boot options, but this is just a workaround... Thanks Chuck, the workaround worked handily. |