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Message-ID: <20071227174056.GA17350@rhlx01.hs-esslingen.de> Date: Thu, 27 Dec 2007 18:40:56 +0100 From: Andreas Mohr <andi@...as.de> To: Andrew Morton <akpm@...ux-foundation.org> Cc: David Woodhouse <dwmw2@...radead.org>, "Eric W. Biederman" <ebiederm@...ssion.com>, Linus Torvalds <torvalds@...ux-foundation.org>, "Rafael J. Wysocki" <rjw@...k.pl>, Pavel Machek <pavel@....cz>, kernel list <linux-kernel@...r.kernel.org>, netdev <netdev@...r.kernel.org>, Pavel Emelyanov <xemul@...nvz.org>, "Denis V. Lunev" <den@...nvz.org> Subject: Re: [PATCH 2.6.24-rc3] Fix /proc/net breakage Hi, On Fri, Dec 07, 2007 at 02:23:42AM -0800, Andrew Morton wrote: > > (commit 2b1e300a9dfc3196ccddf6f1d74b91b7af55e416) > > > > This seems to have broken the use of /proc/bus/usb as a mountpoint. It > > always appears empty now, whatever's supposed to be mounted there. > > > > Yes. Denis and Eric are tossing around competing patches but afaik nobody > is happy with any of them. Guys, could we get this sorted soonish please? "Soonish" being rather earlier than 20071227? 'cause it's still throwing a fit for me on 2.6.24-rc6-mm1(!) (plus hotfix), nothing visible in /proc/bus/usb, thus WLAN driver won't probe anything. Side note: later upgraded from hotplug-based setup to udev, but didn't change status quo of problem of empty mount. Now back again to a 2.6.19ish kernel, since this is the only one that I could always fall back on after a sizeable number of attempts to get to run anything newer trouble-free in this environment. Frankly I'm slightly getting fed up with the number of regressions I'm hitting in my smallish environment lately. But that's sorta what you pay for when going experimental. Just the same day I also had to discover that e100 doesn't usefully support (IOW, fatal resource probing error) my Intel BNC combo 645477-004, as opposed to eepro100. Swapped the card from this ""production"" headless box to an easily accessible one for followup debugging of e100. K6-3@150 headless, Debian stable. mount 2.12r-19 usbutils 0.72-7 fstab: none /proc/bus/usb usbfs defaults 0 0 lsmod (NOTE: from 2.6.19-cks2, sorry): Module Size Used by act_police 6980 1 sch_ingress 3712 1 cls_u32 7300 5 sch_tbf 6400 1 sch_sfq 5888 4 sch_htb 16128 1 ppp_async 11648 1 crc_ccitt 2304 1 ppp_async ipt_ULOG 7940 1 xt_state 2304 4 xt_limit 2816 11 xt_tcpudp 3200 48 xt_multiport 3200 10 iptable_mangle 2944 0 iptable_nat 7044 1 iptable_filter 3200 1 ip_tables 12360 3 iptable_mangle,iptable_nat,iptable_filter ip_nat_tftp 2048 0 ip_conntrack_tftp 4504 1 ip_nat_tftp ip_nat_h323 7296 0 ip_conntrack_h323 48028 1 ip_nat_h323 ip_nat_irc 2816 0 ip_nat_ftp 3456 0 ip_conntrack_irc 6928 1 ip_nat_irc ip_conntrack_ftp 7312 1 ip_nat_ftp ipt_MASQUERADE 3840 1 ip_nat 16684 6 iptable_nat,ip_nat_tftp,ip_nat_h323,ip_nat_irc,ip_nat_ftp,ipt_MASQUERADE ip_conntrack 43884 12 xt_state,iptable_nat,ip_nat_tftp,ip_conntrack_tftp,ip_nat_h323,ip_conntrack_h323,ip_nat_irc,ip_nat_ftp,ip_conntrack_irc,ip_conntrack_ftp,ipt_MASQUERADE,ip_nat ipt_REJECT 4608 0 ipt_LOG 6784 11 x_tables 14468 10 ipt_ULOG,xt_state,xt_limit,xt_tcpudp,xt_multiport,iptable_nat,ip_tables,ipt_MASQUERADE,ipt_REJECT,ipt_LOG isdn 109920 0 sis5595 14472 0 i2c_isa 6528 1 sis5595 at76c503_rfmd 5900 0 firmware_class 9728 1 at76c503_rfmd i2c_sis5595 8196 0 at76c503 85856 1 at76c503_rfmd at76_usbdfu 5636 1 at76c503 i2c_sis630 9100 0 i2c_core 22656 4 sis5595,i2c_isa,i2c_sis5595,i2c_sis630 ohci_hcd 31748 0 usbcore 135044 5 at76c503_rfmd,at76c503,at76_usbdfu,ohci_hcd e100 33800 0 3c59x 41384 0 lspci -v (2.6.19-cks2): 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 5591/5592 Host (rev 02) Flags: bus master, medium devsel, latency 64 Memory at e8000000 (32-bit, non-prefetchable) [size=64M] Capabilities: [c0] AGP version 1.0 00:00.1 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev d0) (prog-if 8a [Master SecP PriP]) Flags: bus master, fast devsel, latency 64, IRQ 14 I/O ports at <ignored> I/O ports at <ignored> I/O ports at <ignored> I/O ports at <ignored> I/O ports at 4000 [size=16] 00:01.0 ISA bridge: Silicon Integrated Systems [SiS] SiS85C503/5513 (LPC Bridge) (rev 01) Flags: bus master, medium devsel, latency 0 00:01.1 Class ff00: Silicon Integrated Systems [SiS] ACPI Flags: medium devsel 00:01.2 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller (rev 11) (prog-if 10 [OHCI]) Flags: bus master, medium devsel, latency 64, IRQ 12 Memory at f0102000 (32-bit, non-prefetchable) [size=4K] 00:02.0 PCI bridge: Silicon Integrated Systems [SiS] Virtual PCI-to-PCI bridge (AGP) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=64 I/O behind bridge: 0000d000-0000dfff Memory behind bridge: ec000000-edffffff Prefetchable memory behind bridge: e0000000-e7ffffff 00:09.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08) Subsystem: Intel Corporation EtherExpress PRO/100+ Management Adapter Flags: bus master, medium devsel, latency 64, IRQ 11 Memory at f0100000 (32-bit, non-prefetchable) [size=4K] I/O ports at e000 [size=64] Memory at f0000000 (32-bit, non-prefetchable) [size=1M] Expansion ROM at ee000000 [disabled] [size=1M] Capabilities: [dc] Power Management version 2 00:0f.0 Ethernet controller: 3Com Corporation 3c905B Deluxe Etherlink 10/100/BNC [Cyclone] Subsystem: 3Com Corporation 3c905B Deluxe Etherlink 10/100/BNC [Cyclone] Flags: bus master, medium devsel, latency 64, IRQ 10 I/O ports at e400 [size=128] Memory at f0101000 (32-bit, non-prefetchable) [size=128] Expansion ROM at ef000000 [disabled] [size=128K] Capabilities: [dc] Power Management version 1 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE] (prog-if 00 [VGA]) Subsystem: ATI Technologies Inc Unknown device 110a Flags: bus master, stepping, 66MHz, medium devsel, latency 64 Memory at e0000000 (32-bit, prefetchable) [size=128M] I/O ports at d000 [size=256] Memory at ed000000 (32-bit, non-prefetchable) [size=64K] [virtual] Expansion ROM at ec000000 [disabled] [size=128K] Capabilities: [58] AGP version 2.0 Capabilities: [50] Power Management version 2 Thanks, Andreas Mohr -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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